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_spec1_product35.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 23:08:20,295 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 23:08:20,297 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 23:08:20,309 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 23:08:20,310 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 23:08:20,311 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 23:08:20,312 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 23:08:20,314 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 23:08:20,316 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 23:08:20,317 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 23:08:20,318 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 23:08:20,319 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 23:08:20,319 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 23:08:20,320 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 23:08:20,321 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 23:08:20,322 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 23:08:20,323 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 23:08:20,324 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 23:08:20,326 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 23:08:20,328 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 23:08:20,330 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 23:08:20,331 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 23:08:20,332 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 23:08:20,333 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 23:08:20,335 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 23:08:20,336 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 23:08:20,336 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 23:08:20,337 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 23:08:20,337 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 23:08:20,338 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 23:08:20,339 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 23:08:20,339 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 23:08:20,340 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 23:08:20,341 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 23:08:20,342 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 23:08:20,342 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 23:08:20,343 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 23:08:20,343 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 23:08:20,344 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 23:08:20,345 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 23:08:20,345 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 23:08:20,346 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 [2019-10-13 23:08:20,361 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 23:08:20,361 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 23:08:20,362 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 23:08:20,363 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 23:08:20,363 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 23:08:20,363 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 23:08:20,363 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 23:08:20,364 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 23:08:20,364 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 23:08:20,364 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 23:08:20,364 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 23:08:20,364 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 23:08:20,365 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 23:08:20,365 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 23:08:20,365 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 23:08:20,365 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 23:08:20,365 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 23:08:20,366 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 23:08:20,366 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 23:08:20,366 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 23:08:20,366 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 23:08:20,366 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:08:20,367 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 23:08:20,367 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 23:08:20,367 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 23:08:20,367 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 23:08:20,368 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 23:08:20,368 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 23:08:20,368 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 [2019-10-13 23:08:20,676 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 23:08:20,690 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 23:08:20,694 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 23:08:20,695 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 23:08:20,696 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 23:08:20,696 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec1_product35.cil.c [2019-10-13 23:08:20,760 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3254f9848/aad5b2f04f3f448e848c189e970356ee/FLAGd74f8ea1e [2019-10-13 23:08:21,378 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 23:08:21,379 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec1_product35.cil.c [2019-10-13 23:08:21,412 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3254f9848/aad5b2f04f3f448e848c189e970356ee/FLAGd74f8ea1e [2019-10-13 23:08:21,610 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3254f9848/aad5b2f04f3f448e848c189e970356ee [2019-10-13 23:08:21,618 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 23:08:21,619 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 23:08:21,620 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 23:08:21,621 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 23:08:21,624 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 23:08:21,625 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:08:21" (1/1) ... [2019-10-13 23:08:21,627 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53d6129f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:08:21, skipping insertion in model container [2019-10-13 23:08:21,628 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:08:21" (1/1) ... [2019-10-13 23:08:21,634 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 23:08:21,721 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 23:08:22,450 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:08:22,488 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 23:08:22,712 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:08:22,852 INFO L192 MainTranslator]: Completed translation [2019-10-13 23:08:22,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:08:22 WrapperNode [2019-10-13 23:08:22,852 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 23:08:22,853 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 23:08:22,853 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 23:08:22,854 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 23:08:22,868 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:08:22" (1/1) ... [2019-10-13 23:08:22,868 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:08:22" (1/1) ... [2019-10-13 23:08:22,903 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:08:22" (1/1) ... [2019-10-13 23:08:22,904 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:08:22" (1/1) ... [2019-10-13 23:08:22,968 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:08:22" (1/1) ... [2019-10-13 23:08:22,992 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:08:22" (1/1) ... [2019-10-13 23:08:23,020 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:08:22" (1/1) ... [2019-10-13 23:08:23,041 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 23:08:23,042 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 23:08:23,042 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 23:08:23,043 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 23:08:23,044 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:08:22" (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 [2019-10-13 23:08:23,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 23:08:23,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 23:08:23,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 23:08:23,133 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-13 23:08:23,133 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-13 23:08:23,133 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-13 23:08:23,133 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-13 23:08:23,133 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-13 23:08:23,134 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-13 23:08:23,134 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-13 23:08:23,134 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-13 23:08:23,134 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 23:08:23,135 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 23:08:23,135 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-13 23:08:23,135 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-13 23:08:23,135 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-13 23:08:23,135 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-13 23:08:23,136 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-13 23:08:23,136 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-13 23:08:23,136 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-13 23:08:23,136 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-13 23:08:23,136 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-13 23:08:23,137 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-13 23:08:23,137 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-13 23:08:23,137 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-13 23:08:23,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 23:08:23,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 23:08:23,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 23:08:23,138 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 23:08:23,138 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 23:08:23,138 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 23:08:23,138 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-10-13 23:08:23,138 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-13 23:08:23,138 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-13 23:08:23,139 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-13 23:08:23,139 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-10-13 23:08:23,139 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-13 23:08:23,139 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-13 23:08:23,139 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-10-13 23:08:23,139 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-13 23:08:23,139 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-13 23:08:23,140 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-13 23:08:23,140 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-13 23:08:23,140 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-13 23:08:23,140 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-13 23:08:23,140 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-13 23:08:23,140 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-13 23:08:23,140 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-13 23:08:23,141 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-13 23:08:23,141 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-13 23:08:23,141 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-13 23:08:23,141 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-13 23:08:23,141 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-13 23:08:23,141 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-13 23:08:23,142 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-13 23:08:23,142 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-13 23:08:23,142 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-13 23:08:23,142 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-13 23:08:23,142 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-13 23:08:23,144 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-13 23:08:23,145 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-13 23:08:23,145 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-13 23:08:23,145 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-13 23:08:23,145 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-13 23:08:23,146 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-13 23:08:23,146 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-13 23:08:23,146 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-13 23:08:23,146 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-13 23:08:23,146 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-13 23:08:23,146 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-13 23:08:23,147 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-13 23:08:23,147 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-13 23:08:23,147 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-13 23:08:23,148 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-13 23:08:23,148 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-13 23:08:23,148 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-13 23:08:23,149 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-13 23:08:23,149 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-13 23:08:23,149 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-13 23:08:23,149 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-13 23:08:23,150 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-13 23:08:23,150 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-13 23:08:23,150 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-13 23:08:23,151 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-13 23:08:23,151 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-13 23:08:23,151 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-13 23:08:23,151 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 23:08:23,152 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-13 23:08:23,152 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-10-13 23:08:23,152 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-10-13 23:08:23,152 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-13 23:08:23,152 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-13 23:08:23,153 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-13 23:08:23,153 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-13 23:08:23,153 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-13 23:08:23,153 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 23:08:23,153 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 23:08:23,153 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 23:08:23,153 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 23:08:23,153 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-13 23:08:23,154 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-13 23:08:23,154 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-13 23:08:23,154 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-13 23:08:23,154 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-13 23:08:23,154 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-13 23:08:23,154 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-13 23:08:23,154 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-13 23:08:23,155 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-13 23:08:23,155 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-13 23:08:23,155 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-13 23:08:23,155 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-13 23:08:23,155 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-13 23:08:23,155 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-13 23:08:23,155 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-13 23:08:23,155 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-13 23:08:23,156 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-13 23:08:23,156 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-13 23:08:23,156 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-13 23:08:23,157 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-13 23:08:23,157 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-13 23:08:23,160 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 23:08:23,161 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 23:08:23,161 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 23:08:23,161 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 23:08:23,162 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-13 23:08:23,163 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-13 23:08:23,163 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-13 23:08:23,163 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-13 23:08:23,163 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-13 23:08:23,163 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-13 23:08:23,163 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-13 23:08:23,164 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-13 23:08:23,164 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-13 23:08:23,165 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-13 23:08:23,168 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-13 23:08:23,168 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-13 23:08:23,169 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-13 23:08:23,169 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 23:08:23,169 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 23:08:23,169 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 23:08:23,170 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-13 23:08:23,170 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-13 23:08:23,170 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-13 23:08:23,171 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-13 23:08:23,176 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-13 23:08:23,176 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-13 23:08:23,176 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-13 23:08:23,177 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-13 23:08:23,177 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-13 23:08:23,177 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-13 23:08:23,178 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-13 23:08:23,178 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 23:08:23,178 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 23:08:23,179 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 23:08:23,179 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-13 23:08:23,179 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-13 23:08:23,179 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-13 23:08:23,179 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-13 23:08:23,179 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-13 23:08:23,179 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-13 23:08:23,180 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-13 23:08:23,180 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-13 23:08:23,180 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-13 23:08:23,180 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-13 23:08:23,180 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-13 23:08:23,180 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-13 23:08:23,181 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-13 23:08:23,181 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-13 23:08:23,181 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-13 23:08:23,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 23:08:23,181 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 23:08:23,181 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 23:08:23,181 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 23:08:23,182 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 23:08:23,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 23:08:23,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 23:08:23,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 23:08:23,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 23:08:23,182 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 23:08:23,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 23:08:23,183 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 23:08:23,183 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 23:08:23,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 23:08:23,183 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 23:08:23,183 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 23:08:23,183 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 23:08:23,184 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 23:08:23,184 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-13 23:08:23,184 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-10-13 23:08:23,184 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-13 23:08:23,184 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-13 23:08:23,184 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-13 23:08:23,184 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-13 23:08:23,185 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-13 23:08:23,185 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-13 23:08:23,185 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-13 23:08:23,185 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-13 23:08:23,185 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-13 23:08:23,185 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-13 23:08:23,185 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-13 23:08:23,186 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-13 23:08:23,186 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-13 23:08:23,186 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-13 23:08:23,186 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-13 23:08:23,186 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-13 23:08:23,186 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-13 23:08:23,187 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-13 23:08:23,187 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-13 23:08:23,188 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-13 23:08:23,188 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-13 23:08:23,189 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-13 23:08:23,189 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-13 23:08:23,189 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-13 23:08:23,189 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-13 23:08:23,189 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-13 23:08:23,189 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-13 23:08:23,190 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-13 23:08:23,190 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-13 23:08:23,190 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-13 23:08:23,190 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-13 23:08:23,190 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-13 23:08:23,190 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-13 23:08:23,191 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-13 23:08:23,191 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-13 23:08:23,191 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-13 23:08:23,191 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-10-13 23:08:23,191 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-10-13 23:08:23,191 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-13 23:08:23,191 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-13 23:08:23,192 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-13 23:08:23,192 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-13 23:08:23,192 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-13 23:08:23,192 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-13 23:08:23,192 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-13 23:08:23,192 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-13 23:08:23,193 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-13 23:08:23,193 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-13 23:08:23,193 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-13 23:08:23,193 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-13 23:08:23,193 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-13 23:08:23,193 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-13 23:08:23,193 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-13 23:08:23,194 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-13 23:08:23,194 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-13 23:08:23,194 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-10-13 23:08:23,194 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-10-13 23:08:23,194 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-13 23:08:23,194 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 23:08:23,195 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-13 23:08:23,195 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-13 23:08:23,195 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-13 23:08:23,195 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-13 23:08:23,195 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-13 23:08:23,195 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-13 23:08:23,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 23:08:23,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 23:08:23,196 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 23:08:28,208 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 23:08:28,208 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-13 23:08:28,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:08:28 BoogieIcfgContainer [2019-10-13 23:08:28,211 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 23:08:28,214 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 23:08:28,214 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 23:08:28,217 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 23:08:28,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:08:21" (1/3) ... [2019-10-13 23:08:28,218 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d925f7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:08:28, skipping insertion in model container [2019-10-13 23:08:28,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:08:22" (2/3) ... [2019-10-13 23:08:28,219 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d925f7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:08:28, skipping insertion in model container [2019-10-13 23:08:28,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:08:28" (3/3) ... [2019-10-13 23:08:28,221 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec1_product35.cil.c [2019-10-13 23:08:28,231 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 23:08:28,245 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 23:08:28,264 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 23:08:28,307 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 23:08:28,308 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 23:08:28,308 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 23:08:28,308 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 23:08:28,308 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 23:08:28,309 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 23:08:28,309 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 23:08:28,309 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 23:08:28,345 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states. [2019-10-13 23:08:28,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2019-10-13 23:08:28,379 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:08:28,380 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, 1, 1, 1, 1, 1, 1] [2019-10-13 23:08:28,386 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:08:28,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:08:28,392 INFO L82 PathProgramCache]: Analyzing trace with hash -1120904784, now seen corresponding path program 1 times [2019-10-13 23:08:28,402 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:08:28,402 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786530489] [2019-10-13 23:08:28,403 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:08:28,403 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:08:28,403 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:08:28,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:08:29,112 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-13 23:08:29,113 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786530489] [2019-10-13 23:08:29,114 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:08:29,115 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 23:08:29,115 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100771311] [2019-10-13 23:08:29,122 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 23:08:29,122 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:08:29,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 23:08:29,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:08:29,140 INFO L87 Difference]: Start difference. First operand 479 states. Second operand 2 states. [2019-10-13 23:08:29,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:08:29,238 INFO L93 Difference]: Finished difference Result 733 states and 875 transitions. [2019-10-13 23:08:29,239 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 23:08:29,241 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 132 [2019-10-13 23:08:29,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:08:29,280 INFO L225 Difference]: With dead ends: 733 [2019-10-13 23:08:29,280 INFO L226 Difference]: Without dead ends: 452 [2019-10-13 23:08:29,296 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 [2019-10-13 23:08:29,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2019-10-13 23:08:29,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 452. [2019-10-13 23:08:29,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 452 states. [2019-10-13 23:08:29,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 535 transitions. [2019-10-13 23:08:29,426 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 535 transitions. Word has length 132 [2019-10-13 23:08:29,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:08:29,429 INFO L462 AbstractCegarLoop]: Abstraction has 452 states and 535 transitions. [2019-10-13 23:08:29,429 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 23:08:29,429 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 535 transitions. [2019-10-13 23:08:29,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-10-13 23:08:29,434 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:08:29,435 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, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:08:29,435 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:08:29,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:08:29,435 INFO L82 PathProgramCache]: Analyzing trace with hash 1756912078, now seen corresponding path program 1 times [2019-10-13 23:08:29,436 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:08:29,436 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620130019] [2019-10-13 23:08:29,436 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:08:29,436 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:08:29,436 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:08:29,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:08:29,675 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-13 23:08:29,675 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620130019] [2019-10-13 23:08:29,675 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:08:29,676 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:08:29,676 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629898325] [2019-10-13 23:08:29,679 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:08:29,679 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:08:29,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:08:29,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:08:29,680 INFO L87 Difference]: Start difference. First operand 452 states and 535 transitions. Second operand 3 states. [2019-10-13 23:08:29,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:08:29,761 INFO L93 Difference]: Finished difference Result 718 states and 843 transitions. [2019-10-13 23:08:29,761 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:08:29,761 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 133 [2019-10-13 23:08:29,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:08:29,766 INFO L225 Difference]: With dead ends: 718 [2019-10-13 23:08:29,766 INFO L226 Difference]: Without dead ends: 454 [2019-10-13 23:08:29,769 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 [2019-10-13 23:08:29,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2019-10-13 23:08:29,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 454. [2019-10-13 23:08:29,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 454 states. [2019-10-13 23:08:29,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 537 transitions. [2019-10-13 23:08:29,832 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 537 transitions. Word has length 133 [2019-10-13 23:08:29,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:08:29,832 INFO L462 AbstractCegarLoop]: Abstraction has 454 states and 537 transitions. [2019-10-13 23:08:29,833 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:08:29,833 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 537 transitions. [2019-10-13 23:08:29,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-10-13 23:08:29,837 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:08:29,838 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, 1, 1, 1, 1, 1, 1] [2019-10-13 23:08:29,838 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:08:29,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:08:29,839 INFO L82 PathProgramCache]: Analyzing trace with hash 1298531413, now seen corresponding path program 1 times [2019-10-13 23:08:29,839 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:08:29,839 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262547077] [2019-10-13 23:08:29,839 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:08:29,839 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:08:29,839 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:08:29,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:08:30,069 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-13 23:08:30,070 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262547077] [2019-10-13 23:08:30,070 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:08:30,070 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:08:30,070 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106484993] [2019-10-13 23:08:30,072 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:08:30,072 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:08:30,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:08:30,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:08:30,073 INFO L87 Difference]: Start difference. First operand 454 states and 537 transitions. Second operand 3 states. [2019-10-13 23:08:30,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:08:30,141 INFO L93 Difference]: Finished difference Result 894 states and 1087 transitions. [2019-10-13 23:08:30,142 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:08:30,142 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 145 [2019-10-13 23:08:30,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:08:30,149 INFO L225 Difference]: With dead ends: 894 [2019-10-13 23:08:30,150 INFO L226 Difference]: Without dead ends: 498 [2019-10-13 23:08:30,156 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 [2019-10-13 23:08:30,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 498 states. [2019-10-13 23:08:30,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 498 to 497. [2019-10-13 23:08:30,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 497 states. [2019-10-13 23:08:30,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 497 states and 611 transitions. [2019-10-13 23:08:30,204 INFO L78 Accepts]: Start accepts. Automaton has 497 states and 611 transitions. Word has length 145 [2019-10-13 23:08:30,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:08:30,205 INFO L462 AbstractCegarLoop]: Abstraction has 497 states and 611 transitions. [2019-10-13 23:08:30,205 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:08:30,205 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 611 transitions. [2019-10-13 23:08:30,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-10-13 23:08:30,213 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:08:30,213 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, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:08:30,214 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:08:30,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:08:30,214 INFO L82 PathProgramCache]: Analyzing trace with hash 1771811158, now seen corresponding path program 1 times [2019-10-13 23:08:30,215 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:08:30,215 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833849036] [2019-10-13 23:08:30,215 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:08:30,215 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:08:30,215 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:08:30,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:08:31,110 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-13 23:08:31,110 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833849036] [2019-10-13 23:08:31,111 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [774608355] [2019-10-13 23:08:31,111 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 [2019-10-13 23:08:31,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:08:31,801 INFO L256 TraceCheckSpWp]: Trace formula consists of 2936 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-13 23:08:31,818 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 23:08:31,962 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-13 23:08:31,962 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 23:08:32,213 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-13 23:08:32,213 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [662698475] [2019-10-13 23:08:32,254 INFO L162 IcfgInterpreter]: Started Sifa with 135 locations of interest [2019-10-13 23:08:32,254 INFO L169 IcfgInterpreter]: Building call graph [2019-10-13 23:08:32,262 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-13 23:08:32,271 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-13 23:08:32,272 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs