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_spec8_product21.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 03:16:59,926 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 03:16:59,929 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 03:16:59,949 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 03:16:59,949 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 03:16:59,951 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 03:16:59,953 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 03:16:59,963 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 03:16:59,968 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 03:16:59,971 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 03:16:59,972 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 03:16:59,974 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 03:16:59,974 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 03:16:59,976 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 03:16:59,979 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 03:16:59,980 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 03:16:59,982 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 03:16:59,983 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 03:16:59,984 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 03:16:59,989 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 03:16:59,994 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 03:16:59,997 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 03:17:00,001 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 03:17:00,002 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 03:17:00,004 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 03:17:00,004 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 03:17:00,004 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 03:17:00,006 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 03:17:00,007 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 03:17:00,009 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 03:17:00,009 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 03:17:00,011 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 03:17:00,011 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 03:17:00,012 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 03:17:00,014 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 03:17:00,014 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 03:17:00,014 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 03:17:00,015 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 03:17:00,015 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 03:17:00,016 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 03:17:00,017 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 03:17:00,018 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 03:17:00,045 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 03:17:00,046 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 03:17:00,047 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 03:17:00,047 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 03:17:00,047 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 03:17:00,047 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 03:17:00,048 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 03:17:00,048 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 03:17:00,048 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 03:17:00,048 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 03:17:00,048 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 03:17:00,049 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 03:17:00,049 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 03:17:00,049 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 03:17:00,049 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 03:17:00,049 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 03:17:00,049 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 03:17:00,050 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 03:17:00,050 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 03:17:00,050 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 03:17:00,050 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 03:17:00,050 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:17:00,051 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 03:17:00,051 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 03:17:00,051 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 03:17:00,051 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 03:17:00,051 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 03:17:00,052 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 03:17:00,052 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 03:17:00,330 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 03:17:00,343 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 03:17:00,346 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 03:17:00,348 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 03:17:00,348 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 03:17:00,349 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec8_product21.cil.c [2019-10-15 03:17:00,411 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4204dc141/59fedcf714c348a19a6757c0b531b306/FLAGef2155838 [2019-10-15 03:17:01,051 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 03:17:01,051 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec8_product21.cil.c [2019-10-15 03:17:01,079 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4204dc141/59fedcf714c348a19a6757c0b531b306/FLAGef2155838 [2019-10-15 03:17:01,219 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4204dc141/59fedcf714c348a19a6757c0b531b306 [2019-10-15 03:17:01,228 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 03:17:01,230 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 03:17:01,231 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 03:17:01,231 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 03:17:01,234 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 03:17:01,235 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:17:01" (1/1) ... [2019-10-15 03:17:01,238 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60aa197e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:17:01, skipping insertion in model container [2019-10-15 03:17:01,239 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:17:01" (1/1) ... [2019-10-15 03:17:01,246 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 03:17:01,324 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 03:17:02,079 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:17:02,096 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 03:17:02,204 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:17:02,293 INFO L192 MainTranslator]: Completed translation [2019-10-15 03:17:02,294 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:17:02 WrapperNode [2019-10-15 03:17:02,294 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 03:17:02,295 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 03:17:02,295 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 03:17:02,295 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 03:17:02,310 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:17:02" (1/1) ... [2019-10-15 03:17:02,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:17:02" (1/1) ... [2019-10-15 03:17:02,361 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:17:02" (1/1) ... [2019-10-15 03:17:02,362 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:17:02" (1/1) ... [2019-10-15 03:17:02,421 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:17:02" (1/1) ... [2019-10-15 03:17:02,459 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:17:02" (1/1) ... [2019-10-15 03:17:02,485 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:17:02" (1/1) ... [2019-10-15 03:17:02,514 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 03:17:02,514 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 03:17:02,514 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 03:17:02,515 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 03:17:02,516 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:17:02" (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 03:17:02,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 03:17:02,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 03:17:02,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 03:17:02,601 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-15 03:17:02,601 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-15 03:17:02,603 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-15 03:17:02,603 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-15 03:17:02,604 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-15 03:17:02,605 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-15 03:17:02,605 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-15 03:17:02,605 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-15 03:17:02,606 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 03:17:02,607 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 03:17:02,607 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-15 03:17:02,607 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-15 03:17:02,607 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-15 03:17:02,609 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-15 03:17:02,610 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-15 03:17:02,610 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-15 03:17:02,611 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-15 03:17:02,611 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-15 03:17:02,611 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-15 03:17:02,612 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-15 03:17:02,612 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-15 03:17:02,612 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-15 03:17:02,612 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-15 03:17:02,613 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-15 03:17:02,613 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-15 03:17:02,613 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-15 03:17:02,614 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-15 03:17:02,614 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-15 03:17:02,614 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-15 03:17:02,614 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2019-10-15 03:17:02,615 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-15 03:17:02,615 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-15 03:17:02,616 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AddressBook [2019-10-15 03:17:02,616 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-15 03:17:02,616 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-15 03:17:02,616 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-15 03:17:02,617 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-15 03:17:02,617 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-15 03:17:02,617 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-15 03:17:02,617 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-15 03:17:02,618 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-15 03:17:02,618 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-15 03:17:02,618 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-15 03:17:02,618 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-15 03:17:02,619 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-15 03:17:02,619 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 03:17:02,619 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 03:17:02,619 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 03:17:02,620 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 03:17:02,620 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 03:17:02,620 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 03:17:02,621 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 03:17:02,621 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 03:17:02,621 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__1 [2019-10-15 03:17:02,621 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__2 [2019-10-15 03:17:02,622 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-15 03:17:02,622 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-15 03:17:02,623 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-15 03:17:02,623 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-15 03:17:02,623 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-15 03:17:02,624 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-15 03:17:02,624 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-15 03:17:02,624 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-15 03:17:02,624 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-15 03:17:02,624 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-15 03:17:02,625 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-15 03:17:02,625 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-15 03:17:02,625 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-15 03:17:02,625 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-15 03:17:02,626 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-15 03:17:02,627 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-15 03:17:02,627 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-15 03:17:02,627 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-15 03:17:02,628 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-15 03:17:02,628 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-15 03:17:02,628 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-15 03:17:02,629 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-15 03:17:02,629 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-15 03:17:02,630 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-15 03:17:02,630 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-15 03:17:02,630 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-15 03:17:02,630 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-15 03:17:02,630 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-15 03:17:02,631 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-15 03:17:02,631 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 03:17:02,631 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 03:17:02,632 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 03:17:02,632 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 03:17:02,632 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-15 03:17:02,632 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-15 03:17:02,632 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-15 03:17:02,632 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-15 03:17:02,633 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-15 03:17:02,633 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-15 03:17:02,633 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-15 03:17:02,633 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-15 03:17:02,633 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-15 03:17:02,633 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-15 03:17:02,634 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-15 03:17:02,634 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-15 03:17:02,634 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-15 03:17:02,634 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-15 03:17:02,634 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-15 03:17:02,634 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-15 03:17:02,634 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-15 03:17:02,635 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-15 03:17:02,635 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-15 03:17:02,635 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-15 03:17:02,635 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-15 03:17:02,635 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-15 03:17:02,635 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 03:17:02,636 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 03:17:02,636 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 03:17:02,636 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-15 03:17:02,636 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-15 03:17:02,637 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-15 03:17:02,637 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-15 03:17:02,638 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-15 03:17:02,638 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-15 03:17:02,638 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-15 03:17:02,638 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-15 03:17:02,640 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-15 03:17:02,640 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-15 03:17:02,640 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-15 03:17:02,640 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-15 03:17:02,641 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 03:17:02,641 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 03:17:02,641 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 03:17:02,642 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-15 03:17:02,642 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-15 03:17:02,643 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-15 03:17:02,647 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-15 03:17:02,647 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-15 03:17:02,648 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-15 03:17:02,648 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-15 03:17:02,649 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-15 03:17:02,649 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-15 03:17:02,649 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-15 03:17:02,649 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-15 03:17:02,650 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 03:17:02,651 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 03:17:02,657 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 03:17:02,657 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-15 03:17:02,658 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-15 03:17:02,658 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-15 03:17:02,658 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-15 03:17:02,658 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-15 03:17:02,659 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-15 03:17:02,659 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-15 03:17:02,659 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-15 03:17:02,659 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-15 03:17:02,660 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-15 03:17:02,660 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-15 03:17:02,660 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-15 03:17:02,660 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-15 03:17:02,661 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-15 03:17:02,661 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 03:17:02,661 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-15 03:17:02,661 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-15 03:17:02,661 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-15 03:17:02,662 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-15 03:17:02,662 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-15 03:17:02,662 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-15 03:17:02,662 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-15 03:17:02,662 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-15 03:17:02,663 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-15 03:17:02,663 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-15 03:17:02,663 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-15 03:17:02,663 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-15 03:17:02,663 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-15 03:17:02,663 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-15 03:17:02,664 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-15 03:17:02,664 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-15 03:17:02,664 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-15 03:17:02,664 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-15 03:17:02,665 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-15 03:17:02,665 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-15 03:17:02,665 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-15 03:17:02,665 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-15 03:17:02,665 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-15 03:17:02,666 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-15 03:17:02,666 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-15 03:17:02,666 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-15 03:17:02,666 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-15 03:17:02,667 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-15 03:17:02,667 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-15 03:17:02,667 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-15 03:17:02,667 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__2 [2019-10-15 03:17:02,668 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-15 03:17:02,668 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2019-10-15 03:17:02,668 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AddressBook [2019-10-15 03:17:02,668 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-15 03:17:02,668 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__1 [2019-10-15 03:17:02,669 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 03:17:02,669 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 03:17:02,669 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 03:17:02,669 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 03:17:02,669 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 03:17:02,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 03:17:02,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 03:17:02,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 03:17:02,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 03:17:02,670 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 03:17:02,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 03:17:02,671 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 03:17:02,671 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 03:17:02,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 03:17:02,671 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 03:17:02,672 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 03:17:02,672 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 03:17:02,672 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-15 03:17:02,672 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-15 03:17:02,672 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-15 03:17:02,673 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-15 03:17:02,673 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-15 03:17:02,673 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-15 03:17:02,673 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-15 03:17:02,673 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-15 03:17:02,674 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-15 03:17:02,674 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-15 03:17:02,674 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-15 03:17:02,674 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 03:17:02,674 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-15 03:17:02,674 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-15 03:17:02,675 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-15 03:17:02,675 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-15 03:17:02,675 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-15 03:17:02,675 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-15 03:17:02,675 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-15 03:17:02,676 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-15 03:17:02,676 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-15 03:17:02,676 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-15 03:17:02,676 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-15 03:17:02,676 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-15 03:17:02,677 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-15 03:17:02,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 03:17:02,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 03:17:02,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 03:17:07,520 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 03:17:07,520 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-15 03:17:07,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:17:07 BoogieIcfgContainer [2019-10-15 03:17:07,524 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 03:17:07,526 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 03:17:07,526 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 03:17:07,530 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 03:17:07,530 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 03:17:01" (1/3) ... [2019-10-15 03:17:07,531 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2043b173 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:17:07, skipping insertion in model container [2019-10-15 03:17:07,531 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:17:02" (2/3) ... [2019-10-15 03:17:07,531 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2043b173 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:17:07, skipping insertion in model container [2019-10-15 03:17:07,531 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:17:07" (3/3) ... [2019-10-15 03:17:07,536 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec8_product21.cil.c [2019-10-15 03:17:07,548 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 03:17:07,562 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 03:17:07,576 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 03:17:07,615 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 03:17:07,616 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 03:17:07,616 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 03:17:07,617 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 03:17:07,620 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 03:17:07,621 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 03:17:07,621 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 03:17:07,621 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 03:17:07,663 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states. [2019-10-15 03:17:07,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2019-10-15 03:17:07,700 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:17:07,702 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] [2019-10-15 03:17:07,705 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:17:07,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:17:07,713 INFO L82 PathProgramCache]: Analyzing trace with hash -1099119995, now seen corresponding path program 1 times [2019-10-15 03:17:07,729 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:17:07,729 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769471958] [2019-10-15 03:17:07,730 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:17:07,730 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:17:07,730 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:17:08,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:17:08,477 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 03:17:08,478 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769471958] [2019-10-15 03:17:08,479 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:17:08,479 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 03:17:08,479 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421699882] [2019-10-15 03:17:08,485 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 03:17:08,485 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:17:08,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 03:17:08,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 03:17:08,502 INFO L87 Difference]: Start difference. First operand 396 states. Second operand 2 states. [2019-10-15 03:17:08,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:17:08,594 INFO L93 Difference]: Finished difference Result 574 states and 683 transitions. [2019-10-15 03:17:08,595 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 03:17:08,596 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 121 [2019-10-15 03:17:08,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:17:08,619 INFO L225 Difference]: With dead ends: 574 [2019-10-15 03:17:08,619 INFO L226 Difference]: Without dead ends: 369 [2019-10-15 03:17:08,625 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 03:17:08,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2019-10-15 03:17:08,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 369. [2019-10-15 03:17:08,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 369 states. [2019-10-15 03:17:08,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 436 transitions. [2019-10-15 03:17:08,744 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 436 transitions. Word has length 121 [2019-10-15 03:17:08,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:17:08,748 INFO L462 AbstractCegarLoop]: Abstraction has 369 states and 436 transitions. [2019-10-15 03:17:08,748 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 03:17:08,748 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 436 transitions. [2019-10-15 03:17:08,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2019-10-15 03:17:08,755 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:17:08,755 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] [2019-10-15 03:17:08,755 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:17:08,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:17:08,757 INFO L82 PathProgramCache]: Analyzing trace with hash -2040322882, now seen corresponding path program 1 times [2019-10-15 03:17:08,757 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:17:08,757 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565474820] [2019-10-15 03:17:08,757 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:17:08,758 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:17:08,758 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:17:08,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:17:09,056 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 03:17:09,057 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565474820] [2019-10-15 03:17:09,057 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:17:09,058 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:17:09,058 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394714740] [2019-10-15 03:17:09,060 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:17:09,060 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:17:09,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:17:09,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:17:09,061 INFO L87 Difference]: Start difference. First operand 369 states and 436 transitions. Second operand 3 states. [2019-10-15 03:17:09,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:17:09,135 INFO L93 Difference]: Finished difference Result 559 states and 652 transitions. [2019-10-15 03:17:09,135 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:17:09,135 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 122 [2019-10-15 03:17:09,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:17:09,147 INFO L225 Difference]: With dead ends: 559 [2019-10-15 03:17:09,147 INFO L226 Difference]: Without dead ends: 371 [2019-10-15 03:17:09,153 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 03:17:09,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2019-10-15 03:17:09,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 371. [2019-10-15 03:17:09,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 371 states. [2019-10-15 03:17:09,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 438 transitions. [2019-10-15 03:17:09,199 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 438 transitions. Word has length 122 [2019-10-15 03:17:09,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:17:09,200 INFO L462 AbstractCegarLoop]: Abstraction has 371 states and 438 transitions. [2019-10-15 03:17:09,200 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:17:09,201 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 438 transitions. [2019-10-15 03:17:09,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2019-10-15 03:17:09,207 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:17:09,207 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] [2019-10-15 03:17:09,208 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:17:09,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:17:09,208 INFO L82 PathProgramCache]: Analyzing trace with hash 889432867, now seen corresponding path program 1 times [2019-10-15 03:17:09,208 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:17:09,209 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002777717] [2019-10-15 03:17:09,209 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:17:09,209 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:17:09,209 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:17:09,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:17:09,438 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 03:17:09,438 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002777717] [2019-10-15 03:17:09,439 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:17:09,439 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:17:09,439 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145810157] [2019-10-15 03:17:09,441 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:17:09,441 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:17:09,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:17:09,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:17:09,442 INFO L87 Difference]: Start difference. First operand 371 states and 438 transitions. Second operand 3 states. [2019-10-15 03:17:09,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:17:09,487 INFO L93 Difference]: Finished difference Result 726 states and 886 transitions. [2019-10-15 03:17:09,488 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:17:09,488 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 127 [2019-10-15 03:17:09,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:17:09,491 INFO L225 Difference]: With dead ends: 726 [2019-10-15 03:17:09,491 INFO L226 Difference]: Without dead ends: 413 [2019-10-15 03:17:09,493 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 03:17:09,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2019-10-15 03:17:09,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 412. [2019-10-15 03:17:09,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 412 states. [2019-10-15 03:17:09,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 509 transitions. [2019-10-15 03:17:09,515 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 509 transitions. Word has length 127 [2019-10-15 03:17:09,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:17:09,515 INFO L462 AbstractCegarLoop]: Abstraction has 412 states and 509 transitions. [2019-10-15 03:17:09,515 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:17:09,516 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 509 transitions. [2019-10-15 03:17:09,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2019-10-15 03:17:09,518 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:17:09,519 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] [2019-10-15 03:17:09,519 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:17:09,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:17:09,519 INFO L82 PathProgramCache]: Analyzing trace with hash 1851002908, now seen corresponding path program 1 times [2019-10-15 03:17:09,520 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:17:09,520 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803673463] [2019-10-15 03:17:09,520 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:17:09,520 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:17:09,520 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:17:09,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:17:09,802 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-15 03:17:09,802 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803673463] [2019-10-15 03:17:09,803 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1696615700] [2019-10-15 03:17:09,803 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 03:17:10,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:17:10,675 INFO L256 TraceCheckSpWp]: Trace formula consists of 2607 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-15 03:17:10,702 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 03:17:10,787 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-15 03:17:10,788 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 03:17:11,094 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-15 03:17:11,095 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1031211091] [2019-10-15 03:17:11,134 INFO L162 IcfgInterpreter]: Started Sifa with 117 locations of interest [2019-10-15 03:17:11,135 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 03:17:11,141 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 03:17:11,149 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 03:17:11,150 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs