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_spec3_product35.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 03:14:35,458 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 03:14:35,461 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 03:14:35,480 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 03:14:35,480 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 03:14:35,483 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 03:14:35,485 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 03:14:35,497 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 03:14:35,499 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 03:14:35,501 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 03:14:35,502 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 03:14:35,504 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 03:14:35,504 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 03:14:35,508 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 03:14:35,511 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 03:14:35,512 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 03:14:35,514 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 03:14:35,516 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 03:14:35,517 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 03:14:35,524 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 03:14:35,528 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 03:14:35,531 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 03:14:35,534 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 03:14:35,535 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 03:14:35,539 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 03:14:35,539 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 03:14:35,539 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 03:14:35,541 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 03:14:35,543 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 03:14:35,545 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 03:14:35,545 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 03:14:35,547 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 03:14:35,548 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 03:14:35,548 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 03:14:35,550 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 03:14:35,550 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 03:14:35,551 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 03:14:35,551 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 03:14:35,552 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 03:14:35,552 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 03:14:35,554 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 03:14:35,555 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 03:14:35,574 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 03:14:35,574 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 03:14:35,576 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 03:14:35,576 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 03:14:35,576 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 03:14:35,577 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 03:14:35,577 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 03:14:35,577 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 03:14:35,577 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 03:14:35,577 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 03:14:35,578 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 03:14:35,578 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 03:14:35,578 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 03:14:35,578 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 03:14:35,578 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 03:14:35,579 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 03:14:35,579 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 03:14:35,579 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 03:14:35,579 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 03:14:35,580 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 03:14:35,580 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 03:14:35,580 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:14:35,580 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 03:14:35,580 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 03:14:35,581 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 03:14:35,581 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 03:14:35,581 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 03:14:35,581 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 03:14:35,581 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 03:14:35,844 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 03:14:35,858 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 03:14:35,862 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 03:14:35,864 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 03:14:35,864 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 03:14:35,865 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec3_product35.cil.c [2019-10-15 03:14:35,931 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8327effbf/bc0327f19e4b432da0a00ee332da1584/FLAG252ee8716 [2019-10-15 03:14:36,640 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 03:14:36,641 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec3_product35.cil.c [2019-10-15 03:14:36,671 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8327effbf/bc0327f19e4b432da0a00ee332da1584/FLAG252ee8716 [2019-10-15 03:14:36,808 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8327effbf/bc0327f19e4b432da0a00ee332da1584 [2019-10-15 03:14:36,822 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 03:14:36,824 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 03:14:36,825 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 03:14:36,825 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 03:14:36,829 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 03:14:36,830 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:14:36" (1/1) ... [2019-10-15 03:14:36,832 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@342f7e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:14:36, skipping insertion in model container [2019-10-15 03:14:36,833 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:14:36" (1/1) ... [2019-10-15 03:14:36,839 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 03:14:36,922 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 03:14:37,714 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:14:37,741 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 03:14:37,882 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:14:37,990 INFO L192 MainTranslator]: Completed translation [2019-10-15 03:14:37,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:14:37 WrapperNode [2019-10-15 03:14:37,991 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 03:14:37,992 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 03:14:37,992 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 03:14:37,992 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 03:14:38,011 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:14:37" (1/1) ... [2019-10-15 03:14:38,011 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:14:37" (1/1) ... [2019-10-15 03:14:38,089 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:14:37" (1/1) ... [2019-10-15 03:14:38,089 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:14:37" (1/1) ... [2019-10-15 03:14:38,163 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:14:37" (1/1) ... [2019-10-15 03:14:38,211 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:14:37" (1/1) ... [2019-10-15 03:14:38,238 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:14:37" (1/1) ... [2019-10-15 03:14:38,258 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 03:14:38,259 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 03:14:38,259 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 03:14:38,259 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 03:14:38,261 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:14:37" (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 03:14:38,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 03:14:38,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 03:14:38,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 03:14:38,342 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-15 03:14:38,342 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-15 03:14:38,342 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-15 03:14:38,343 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-15 03:14:38,343 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-15 03:14:38,343 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-15 03:14:38,343 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-15 03:14:38,344 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-15 03:14:38,344 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 03:14:38,344 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 03:14:38,344 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-15 03:14:38,345 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-15 03:14:38,345 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-15 03:14:38,345 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-15 03:14:38,345 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-15 03:14:38,345 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-15 03:14:38,347 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-15 03:14:38,347 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-15 03:14:38,347 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-15 03:14:38,348 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-15 03:14:38,348 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-15 03:14:38,348 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-15 03:14:38,348 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-15 03:14:38,348 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-15 03:14:38,348 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-15 03:14:38,349 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-10-15 03:14:38,349 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-15 03:14:38,349 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-15 03:14:38,349 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-10-15 03:14:38,349 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-15 03:14:38,349 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-15 03:14:38,350 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-15 03:14:38,350 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-15 03:14:38,350 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-15 03:14:38,351 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-15 03:14:38,351 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-15 03:14:38,351 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-15 03:14:38,351 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-15 03:14:38,351 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-15 03:14:38,351 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-15 03:14:38,351 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-15 03:14:38,352 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-15 03:14:38,352 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-15 03:14:38,352 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-15 03:14:38,352 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-15 03:14:38,352 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-15 03:14:38,352 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__1 [2019-10-15 03:14:38,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__2 [2019-10-15 03:14:38,353 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-15 03:14:38,353 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-15 03:14:38,353 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-15 03:14:38,353 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-15 03:14:38,353 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-15 03:14:38,354 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-15 03:14:38,354 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-15 03:14:38,354 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-15 03:14:38,354 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-15 03:14:38,355 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-15 03:14:38,355 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-15 03:14:38,355 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-15 03:14:38,355 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-15 03:14:38,355 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-15 03:14:38,356 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-15 03:14:38,356 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-15 03:14:38,356 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-15 03:14:38,356 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-15 03:14:38,356 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-15 03:14:38,357 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-15 03:14:38,357 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-15 03:14:38,357 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-15 03:14:38,358 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-15 03:14:38,358 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-15 03:14:38,358 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-15 03:14:38,359 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-15 03:14:38,359 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-15 03:14:38,360 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-15 03:14:38,360 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-15 03:14:38,361 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-15 03:14:38,362 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-15 03:14:38,362 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-15 03:14:38,362 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-15 03:14:38,362 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-15 03:14:38,362 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-15 03:14:38,362 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-15 03:14:38,363 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-15 03:14:38,364 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-15 03:14:38,364 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-15 03:14:38,364 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-15 03:14:38,364 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-15 03:14:38,364 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-15 03:14:38,365 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-15 03:14:38,365 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-15 03:14:38,365 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-15 03:14:38,365 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-15 03:14:38,365 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-15 03:14:38,365 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-15 03:14:38,365 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-15 03:14:38,366 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-15 03:14:38,366 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-15 03:14:38,366 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-10-15 03:14:38,366 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-10-15 03:14:38,366 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-15 03:14:38,366 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-15 03:14:38,367 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-15 03:14:38,367 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-15 03:14:38,367 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-15 03:14:38,367 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 03:14:38,367 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 03:14:38,367 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 03:14:38,368 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 03:14:38,368 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 03:14:38,368 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 03:14:38,369 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 03:14:38,369 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 03:14:38,369 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 03:14:38,369 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 03:14:38,370 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-15 03:14:38,370 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 03:14:38,371 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 03:14:38,371 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 03:14:38,371 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 03:14:38,373 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 03:14:38,373 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-15 03:14:38,373 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-15 03:14:38,373 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-15 03:14:38,373 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-15 03:14:38,373 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-15 03:14:38,374 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-15 03:14:38,374 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-15 03:14:38,375 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-15 03:14:38,375 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-15 03:14:38,379 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-15 03:14:38,380 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-15 03:14:38,380 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-15 03:14:38,380 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-15 03:14:38,380 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 03:14:38,381 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 03:14:38,381 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 03:14:38,382 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-15 03:14:38,382 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-15 03:14:38,382 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-15 03:14:38,389 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-15 03:14:38,390 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-15 03:14:38,390 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-15 03:14:38,390 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-15 03:14:38,391 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-15 03:14:38,391 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-15 03:14:38,391 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-15 03:14:38,391 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-15 03:14:38,391 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 03:14:38,391 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 03:14:38,392 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 03:14:38,392 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-15 03:14:38,392 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-15 03:14:38,392 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-15 03:14:38,392 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-15 03:14:38,392 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-15 03:14:38,393 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-15 03:14:38,393 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-15 03:14:38,393 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-15 03:14:38,393 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-15 03:14:38,393 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-15 03:14:38,394 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-15 03:14:38,394 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-15 03:14:38,394 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-15 03:14:38,394 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-15 03:14:38,394 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-15 03:14:38,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 03:14:38,395 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-15 03:14:38,395 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-15 03:14:38,395 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-15 03:14:38,395 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-15 03:14:38,395 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-15 03:14:38,395 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-15 03:14:38,396 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-15 03:14:38,396 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-15 03:14:38,396 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-15 03:14:38,396 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-15 03:14:38,396 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-15 03:14:38,396 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-15 03:14:38,397 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-15 03:14:38,397 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-15 03:14:38,397 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-15 03:14:38,397 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-15 03:14:38,398 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-15 03:14:38,398 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-15 03:14:38,398 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-15 03:14:38,398 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-15 03:14:38,399 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-15 03:14:38,399 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-15 03:14:38,399 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-15 03:14:38,399 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-15 03:14:38,399 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-15 03:14:38,399 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-15 03:14:38,400 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-15 03:14:38,400 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-15 03:14:38,400 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-15 03:14:38,400 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-15 03:14:38,400 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-15 03:14:38,400 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-15 03:14:38,401 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-15 03:14:38,401 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-15 03:14:38,401 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-15 03:14:38,401 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__1 [2019-10-15 03:14:38,401 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-15 03:14:38,403 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-15 03:14:38,403 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-10-15 03:14:38,403 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-10-15 03:14:38,403 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-15 03:14:38,404 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-15 03:14:38,404 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-15 03:14:38,404 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__2 [2019-10-15 03:14:38,404 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 03:14:38,404 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-15 03:14:38,404 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-15 03:14:38,405 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-15 03:14:38,405 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-15 03:14:38,405 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-15 03:14:38,405 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-15 03:14:38,405 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-15 03:14:38,405 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-15 03:14:38,406 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-15 03:14:38,406 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-15 03:14:38,406 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-15 03:14:38,406 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-15 03:14:38,406 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-15 03:14:38,406 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-15 03:14:38,407 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-15 03:14:38,407 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-15 03:14:38,407 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-15 03:14:38,407 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-15 03:14:38,407 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-15 03:14:38,407 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-10-15 03:14:38,408 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-10-15 03:14:38,408 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-15 03:14:38,408 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 03:14:38,408 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 03:14:38,408 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 03:14:38,409 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 03:14:38,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 03:14:38,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 03:14:38,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 03:14:38,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 03:14:38,409 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 03:14:38,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 03:14:38,410 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 03:14:38,410 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 03:14:38,410 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 03:14:38,410 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 03:14:38,410 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 03:14:38,411 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 03:14:38,411 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 03:14:38,411 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-15 03:14:38,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 03:14:38,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 03:14:38,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 03:14:43,279 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 03:14:43,280 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-15 03:14:43,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:14:43 BoogieIcfgContainer [2019-10-15 03:14:43,282 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 03:14:43,283 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 03:14:43,283 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 03:14:43,286 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 03:14:43,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 03:14:36" (1/3) ... [2019-10-15 03:14:43,287 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f4a3000 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:14:43, skipping insertion in model container [2019-10-15 03:14:43,287 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:14:37" (2/3) ... [2019-10-15 03:14:43,288 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f4a3000 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:14:43, skipping insertion in model container [2019-10-15 03:14:43,288 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:14:43" (3/3) ... [2019-10-15 03:14:43,290 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec3_product35.cil.c [2019-10-15 03:14:43,300 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 03:14:43,310 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 03:14:43,322 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 03:14:43,353 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 03:14:43,353 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 03:14:43,353 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 03:14:43,353 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 03:14:43,353 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 03:14:43,353 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 03:14:43,354 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 03:14:43,354 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 03:14:43,385 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states. [2019-10-15 03:14:43,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-10-15 03:14:43,403 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:14:43,405 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:14:43,407 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:14:43,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:14:43,413 INFO L82 PathProgramCache]: Analyzing trace with hash -2039203991, now seen corresponding path program 1 times [2019-10-15 03:14:43,424 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:14:43,424 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926778894] [2019-10-15 03:14:43,425 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:14:43,425 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:14:43,425 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:14:43,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:14:44,147 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-15 03:14:44,148 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926778894] [2019-10-15 03:14:44,149 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:14:44,149 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 03:14:44,150 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489202364] [2019-10-15 03:14:44,155 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 03:14:44,156 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:14:44,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 03:14:44,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 03:14:44,174 INFO L87 Difference]: Start difference. First operand 490 states. Second operand 2 states. [2019-10-15 03:14:44,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:14:44,301 INFO L93 Difference]: Finished difference Result 755 states and 910 transitions. [2019-10-15 03:14:44,302 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 03:14:44,305 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 159 [2019-10-15 03:14:44,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:14:44,339 INFO L225 Difference]: With dead ends: 755 [2019-10-15 03:14:44,339 INFO L226 Difference]: Without dead ends: 463 [2019-10-15 03:14:44,351 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 03:14:44,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2019-10-15 03:14:44,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 463. [2019-10-15 03:14:44,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 463 states. [2019-10-15 03:14:44,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 550 transitions. [2019-10-15 03:14:44,500 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 550 transitions. Word has length 159 [2019-10-15 03:14:44,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:14:44,503 INFO L462 AbstractCegarLoop]: Abstraction has 463 states and 550 transitions. [2019-10-15 03:14:44,503 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 03:14:44,503 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 550 transitions. [2019-10-15 03:14:44,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-10-15 03:14:44,521 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:14:44,521 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:14:44,522 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:14:44,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:14:44,523 INFO L82 PathProgramCache]: Analyzing trace with hash -812168554, now seen corresponding path program 1 times [2019-10-15 03:14:44,524 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:14:44,524 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189208165] [2019-10-15 03:14:44,524 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:14:44,524 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:14:44,524 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:14:44,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:14:44,897 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-15 03:14:44,898 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189208165] [2019-10-15 03:14:44,898 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:14:44,898 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:14:44,899 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341742080] [2019-10-15 03:14:44,903 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:14:44,904 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:14:44,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:14:44,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:14:44,904 INFO L87 Difference]: Start difference. First operand 463 states and 550 transitions. Second operand 3 states. [2019-10-15 03:14:44,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:14:44,974 INFO L93 Difference]: Finished difference Result 740 states and 873 transitions. [2019-10-15 03:14:44,975 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:14:44,975 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 160 [2019-10-15 03:14:44,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:14:44,984 INFO L225 Difference]: With dead ends: 740 [2019-10-15 03:14:44,984 INFO L226 Difference]: Without dead ends: 465 [2019-10-15 03:14:44,987 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 03:14:44,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2019-10-15 03:14:45,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 465. [2019-10-15 03:14:45,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 465 states. [2019-10-15 03:14:45,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 552 transitions. [2019-10-15 03:14:45,023 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 552 transitions. Word has length 160 [2019-10-15 03:14:45,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:14:45,024 INFO L462 AbstractCegarLoop]: Abstraction has 465 states and 552 transitions. [2019-10-15 03:14:45,024 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:14:45,024 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 552 transitions. [2019-10-15 03:14:45,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-10-15 03:14:45,029 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:14:45,029 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:14:45,030 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:14:45,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:14:45,030 INFO L82 PathProgramCache]: Analyzing trace with hash -675886756, now seen corresponding path program 1 times [2019-10-15 03:14:45,030 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:14:45,031 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924380785] [2019-10-15 03:14:45,031 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:14:45,031 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:14:45,031 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:14:45,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:14:45,303 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-15 03:14:45,304 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924380785] [2019-10-15 03:14:45,304 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:14:45,304 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:14:45,304 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674380835] [2019-10-15 03:14:45,306 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:14:45,306 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:14:45,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:14:45,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:14:45,307 INFO L87 Difference]: Start difference. First operand 465 states and 552 transitions. Second operand 3 states. [2019-10-15 03:14:45,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:14:45,345 INFO L93 Difference]: Finished difference Result 916 states and 1117 transitions. [2019-10-15 03:14:45,345 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:14:45,345 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 172 [2019-10-15 03:14:45,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:14:45,349 INFO L225 Difference]: With dead ends: 916 [2019-10-15 03:14:45,350 INFO L226 Difference]: Without dead ends: 509 [2019-10-15 03:14:45,352 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 03:14:45,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2019-10-15 03:14:45,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 508. [2019-10-15 03:14:45,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 508 states. [2019-10-15 03:14:45,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 508 states and 626 transitions. [2019-10-15 03:14:45,375 INFO L78 Accepts]: Start accepts. Automaton has 508 states and 626 transitions. Word has length 172 [2019-10-15 03:14:45,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:14:45,375 INFO L462 AbstractCegarLoop]: Abstraction has 508 states and 626 transitions. [2019-10-15 03:14:45,375 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:14:45,375 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 626 transitions. [2019-10-15 03:14:45,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2019-10-15 03:14:45,379 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:14:45,379 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:14:45,380 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:14:45,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:14:45,380 INFO L82 PathProgramCache]: Analyzing trace with hash 1028250174, now seen corresponding path program 1 times [2019-10-15 03:14:45,380 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:14:45,381 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096492141] [2019-10-15 03:14:45,381 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:14:45,381 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:14:45,381 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:14:45,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:14:46,235 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-10-15 03:14:46,236 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096492141] [2019-10-15 03:14:46,236 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:14:46,236 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2019-10-15 03:14:46,237 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398040428] [2019-10-15 03:14:46,237 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2019-10-15 03:14:46,238 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:14:46,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2019-10-15 03:14:46,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=634, Unknown=0, NotChecked=0, Total=702 [2019-10-15 03:14:46,239 INFO L87 Difference]: Start difference. First operand 508 states and 626 transitions. Second operand 27 states. [2019-10-15 03:15:06,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:15:06,062 INFO L93 Difference]: Finished difference Result 1509 states and 1828 transitions. [2019-10-15 03:15:06,062 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2019-10-15 03:15:06,062 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 173 [2019-10-15 03:15:06,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:15:06,072 INFO L225 Difference]: With dead ends: 1509 [2019-10-15 03:15:06,073 INFO L226 Difference]: Without dead ends: 1234 [2019-10-15 03:15:06,079 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 839 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=434, Invalid=3472, Unknown=0, NotChecked=0, Total=3906 [2019-10-15 03:15:06,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1234 states. [2019-10-15 03:15:06,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1234 to 1223. [2019-10-15 03:15:06,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1223 states. [2019-10-15 03:15:06,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1223 states to 1223 states and 1474 transitions. [2019-10-15 03:15:06,185 INFO L78 Accepts]: Start accepts. Automaton has 1223 states and 1474 transitions. Word has length 173 [2019-10-15 03:15:06,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:15:06,186 INFO L462 AbstractCegarLoop]: Abstraction has 1223 states and 1474 transitions. [2019-10-15 03:15:06,186 INFO L463 AbstractCegarLoop]: Interpolant automaton has 27 states. [2019-10-15 03:15:06,186 INFO L276 IsEmpty]: Start isEmpty. Operand 1223 states and 1474 transitions. [2019-10-15 03:15:06,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2019-10-15 03:15:06,194 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:15:06,194 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:15:06,197 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:15:06,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:15:06,197 INFO L82 PathProgramCache]: Analyzing trace with hash -2009297062, now seen corresponding path program 1 times [2019-10-15 03:15:06,197 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:15:06,198 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717275232] [2019-10-15 03:15:06,198 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:15:06,198 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:15:06,198 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:15:06,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:15:07,987 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-15 03:15:07,988 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717275232] [2019-10-15 03:15:07,989 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1249341192] [2019-10-15 03:15:07,989 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 03:15:08,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:15:08,679 INFO L256 TraceCheckSpWp]: Trace formula consists of 3202 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-15 03:15:08,703 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 03:15:08,863 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-15 03:15:08,863 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 03:15:09,226 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-15 03:15:09,227 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [528335835] [2019-10-15 03:15:09,260 INFO L162 IcfgInterpreter]: Started Sifa with 162 locations of interest [2019-10-15 03:15:09,260 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 03:15:09,268 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 03:15:09,276 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 03:15:09,277 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs