/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/email_spec6_product14.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 04:22:50,251 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 04:22:50,254 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 04:22:50,269 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 04:22:50,269 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 04:22:50,270 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 04:22:50,272 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 04:22:50,273 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 04:22:50,275 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 04:22:50,276 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 04:22:50,277 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 04:22:50,278 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 04:22:50,278 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 04:22:50,282 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 04:22:50,284 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 04:22:50,286 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 04:22:50,288 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 04:22:50,291 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 04:22:50,293 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 04:22:50,300 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 04:22:50,301 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 04:22:50,305 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 04:22:50,306 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 04:22:50,307 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 04:22:50,311 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 04:22:50,311 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 04:22:50,311 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 04:22:50,313 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 04:22:50,313 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 04:22:50,316 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 04:22:50,316 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 04:22:50,317 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 04:22:50,318 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 04:22:50,318 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 04:22:50,322 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 04:22:50,322 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 04:22:50,323 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 04:22:50,323 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 04:22:50,324 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 04:22:50,326 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 04:22:50,326 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 04:22:50,327 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-07 04:22:50,346 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 04:22:50,346 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 04:22:50,348 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 04:22:50,349 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 04:22:50,349 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 04:22:50,349 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 04:22:50,349 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 04:22:50,349 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 04:22:50,350 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 04:22:50,350 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 04:22:50,351 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 04:22:50,351 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 04:22:50,351 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 04:22:50,352 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 04:22:50,352 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 04:22:50,352 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 04:22:50,352 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 04:22:50,352 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 04:22:50,353 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 04:22:50,353 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 04:22:50,353 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 04:22:50,353 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 04:22:50,353 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 04:22:50,354 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 04:22:50,354 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 04:22:50,354 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 04:22:50,354 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 04:22:50,354 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 04:22:50,354 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-11-07 04:22:50,639 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 04:22:50,652 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 04:22:50,656 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 04:22:50,658 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 04:22:50,658 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 04:22:50,659 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec6_product14.cil.c [2019-11-07 04:22:50,723 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e30e9c103/927e572b088b46fda650f9c32b3e85bd/FLAG341099575 [2019-11-07 04:22:51,358 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 04:22:51,358 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec6_product14.cil.c [2019-11-07 04:22:51,388 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e30e9c103/927e572b088b46fda650f9c32b3e85bd/FLAG341099575 [2019-11-07 04:22:51,589 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e30e9c103/927e572b088b46fda650f9c32b3e85bd [2019-11-07 04:22:51,599 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 04:22:51,601 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 04:22:51,602 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 04:22:51,602 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 04:22:51,606 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 04:22:51,607 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:22:51" (1/1) ... [2019-11-07 04:22:51,610 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b9afd57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:22:51, skipping insertion in model container [2019-11-07 04:22:51,611 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:22:51" (1/1) ... [2019-11-07 04:22:51,619 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 04:22:51,707 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 04:22:52,517 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:22:52,534 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 04:22:52,627 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:22:52,718 INFO L192 MainTranslator]: Completed translation [2019-11-07 04:22:52,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:22:52 WrapperNode [2019-11-07 04:22:52,719 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 04:22:52,720 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 04:22:52,720 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 04:22:52,720 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 04:22:52,735 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:22:52" (1/1) ... [2019-11-07 04:22:52,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:22:52" (1/1) ... [2019-11-07 04:22:52,776 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:22:52" (1/1) ... [2019-11-07 04:22:52,776 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:22:52" (1/1) ... [2019-11-07 04:22:52,839 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:22:52" (1/1) ... [2019-11-07 04:22:52,859 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:22:52" (1/1) ... [2019-11-07 04:22:52,882 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:22:52" (1/1) ... [2019-11-07 04:22:52,917 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 04:22:52,920 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 04:22:52,920 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 04:22:52,920 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 04:22:52,921 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:22:52" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 04:22:53,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 04:22:53,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 04:22:53,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 04:22:53,004 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-11-07 04:22:53,004 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-11-07 04:22:53,005 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-11-07 04:22:53,006 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-11-07 04:22:53,006 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-11-07 04:22:53,006 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-11-07 04:22:53,006 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-11-07 04:22:53,006 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-11-07 04:22:53,007 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 04:22:53,008 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 04:22:53,008 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-11-07 04:22:53,008 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-11-07 04:22:53,008 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-11-07 04:22:53,011 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-11-07 04:22:53,011 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-11-07 04:22:53,011 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-11-07 04:22:53,012 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-11-07 04:22:53,012 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-11-07 04:22:53,012 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-11-07 04:22:53,012 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-11-07 04:22:53,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptDecrypt_spec__1 [2019-11-07 04:22:53,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptDecrypt_spec__2 [2019-11-07 04:22:53,013 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-11-07 04:22:53,013 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-11-07 04:22:53,013 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-11-07 04:22:53,013 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-11-07 04:22:53,013 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-11-07 04:22:53,014 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-11-07 04:22:53,014 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-11-07 04:22:53,014 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-11-07 04:22:53,014 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-11-07 04:22:53,015 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-11-07 04:22:53,015 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-11-07 04:22:53,015 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-11-07 04:22:53,015 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-11-07 04:22:53,015 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-11-07 04:22:53,016 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-11-07 04:22:53,016 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-11-07 04:22:53,016 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-11-07 04:22:53,016 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-11-07 04:22:53,016 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-11-07 04:22:53,016 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-11-07 04:22:53,017 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-11-07 04:22:53,017 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-11-07 04:22:53,017 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-11-07 04:22:53,017 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-11-07 04:22:53,017 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-11-07 04:22:53,017 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-11-07 04:22:53,018 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-11-07 04:22:53,018 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-11-07 04:22:53,018 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-11-07 04:22:53,018 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 04:22:53,018 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 04:22:53,018 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 04:22:53,019 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 04:22:53,019 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-11-07 04:22:53,019 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-11-07 04:22:53,020 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2019-11-07 04:22:53,020 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-11-07 04:22:53,020 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-11-07 04:22:53,020 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AddressBook [2019-11-07 04:22:53,021 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-11-07 04:22:53,021 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-11-07 04:22:53,021 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-11-07 04:22:53,021 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-11-07 04:22:53,021 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-11-07 04:22:53,022 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-11-07 04:22:53,022 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-11-07 04:22:53,022 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-11-07 04:22:53,022 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-11-07 04:22:53,023 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-11-07 04:22:53,023 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 04:22:53,023 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-11-07 04:22:53,024 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 04:22:53,024 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-11-07 04:22:53,025 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-11-07 04:22:53,025 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-11-07 04:22:53,026 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-11-07 04:22:53,026 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-11-07 04:22:53,026 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-11-07 04:22:53,026 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 04:22:53,027 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 04:22:53,027 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 04:22:53,027 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 04:22:53,028 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 04:22:53,028 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 04:22:53,028 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-11-07 04:22:53,028 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-11-07 04:22:53,029 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-11-07 04:22:53,029 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-11-07 04:22:53,029 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-11-07 04:22:53,029 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-11-07 04:22:53,029 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-11-07 04:22:53,029 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-11-07 04:22:53,030 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-11-07 04:22:53,030 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-11-07 04:22:53,030 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-11-07 04:22:53,030 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-11-07 04:22:53,030 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-11-07 04:22:53,030 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-11-07 04:22:53,031 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-11-07 04:22:53,031 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-11-07 04:22:53,031 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-11-07 04:22:53,031 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-11-07 04:22:53,031 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-11-07 04:22:53,031 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-11-07 04:22:53,032 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-11-07 04:22:53,032 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 04:22:53,032 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 04:22:53,032 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 04:22:53,032 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-07 04:22:53,033 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-11-07 04:22:53,033 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-11-07 04:22:53,033 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-11-07 04:22:53,033 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-11-07 04:22:53,034 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-11-07 04:22:53,034 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-11-07 04:22:53,034 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-11-07 04:22:53,034 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-11-07 04:22:53,035 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-11-07 04:22:53,035 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-11-07 04:22:53,036 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 04:22:53,036 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 04:22:53,037 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 04:22:53,037 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-11-07 04:22:53,037 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-11-07 04:22:53,037 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-11-07 04:22:53,037 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-11-07 04:22:53,038 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-11-07 04:22:53,038 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-11-07 04:22:53,039 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-11-07 04:22:53,042 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-11-07 04:22:53,042 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-11-07 04:22:53,042 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-11-07 04:22:53,042 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-11-07 04:22:53,043 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 04:22:53,043 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 04:22:53,043 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 04:22:53,043 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-11-07 04:22:53,043 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-11-07 04:22:53,044 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-11-07 04:22:53,051 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-11-07 04:22:53,051 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-11-07 04:22:53,051 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-11-07 04:22:53,051 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-11-07 04:22:53,051 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-11-07 04:22:53,051 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-11-07 04:22:53,051 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-11-07 04:22:53,052 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-11-07 04:22:53,052 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-11-07 04:22:53,052 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-11-07 04:22:53,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 04:22:53,053 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 04:22:53,053 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-11-07 04:22:53,053 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-11-07 04:22:53,053 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-11-07 04:22:53,053 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-11-07 04:22:53,053 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptDecrypt_spec__1 [2019-11-07 04:22:53,054 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptDecrypt_spec__2 [2019-11-07 04:22:53,054 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-11-07 04:22:53,054 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-11-07 04:22:53,054 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-11-07 04:22:53,054 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-11-07 04:22:53,054 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-11-07 04:22:53,054 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-11-07 04:22:53,054 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-11-07 04:22:53,055 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-11-07 04:22:53,055 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-11-07 04:22:53,055 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-11-07 04:22:53,055 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-11-07 04:22:53,055 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-11-07 04:22:53,055 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-11-07 04:22:53,055 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-11-07 04:22:53,056 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-11-07 04:22:53,056 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-11-07 04:22:53,056 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-11-07 04:22:53,056 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-11-07 04:22:53,056 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 04:22:53,056 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-11-07 04:22:53,056 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-11-07 04:22:53,056 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-11-07 04:22:53,057 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-11-07 04:22:53,057 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-11-07 04:22:53,057 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-11-07 04:22:53,057 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-11-07 04:22:53,058 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-11-07 04:22:53,058 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-11-07 04:22:53,058 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-11-07 04:22:53,058 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-11-07 04:22:53,058 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-11-07 04:22:53,058 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-11-07 04:22:53,058 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2019-11-07 04:22:53,058 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AddressBook [2019-11-07 04:22:53,059 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-11-07 04:22:53,059 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-11-07 04:22:53,059 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-11-07 04:22:53,059 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-11-07 04:22:53,059 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-11-07 04:22:53,059 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-11-07 04:22:53,059 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-11-07 04:22:53,059 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-11-07 04:22:53,060 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 04:22:53,060 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 04:22:53,060 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 04:22:53,060 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 04:22:53,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 04:22:53,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 04:22:53,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 04:22:53,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 04:22:53,061 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 04:22:53,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 04:22:53,061 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 04:22:53,061 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 04:22:53,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 04:22:53,061 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 04:22:53,061 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 04:22:53,061 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 04:22:53,062 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-11-07 04:22:53,062 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-11-07 04:22:53,062 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-11-07 04:22:53,062 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-11-07 04:22:53,062 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-11-07 04:22:53,062 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-11-07 04:22:53,062 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-11-07 04:22:53,062 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-11-07 04:22:53,063 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-11-07 04:22:53,063 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-11-07 04:22:53,063 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-11-07 04:22:53,063 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-11-07 04:22:53,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 04:22:53,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 04:22:53,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 04:22:57,734 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 04:22:57,735 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-07 04:22:57,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:22:57 BoogieIcfgContainer [2019-11-07 04:22:57,737 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 04:22:57,738 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 04:22:57,738 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 04:22:57,741 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 04:22:57,741 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:22:51" (1/3) ... [2019-11-07 04:22:57,742 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33824397 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:22:57, skipping insertion in model container [2019-11-07 04:22:57,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:22:52" (2/3) ... [2019-11-07 04:22:57,742 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33824397 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:22:57, skipping insertion in model container [2019-11-07 04:22:57,743 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:22:57" (3/3) ... [2019-11-07 04:22:57,744 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec6_product14.cil.c [2019-11-07 04:22:57,755 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 04:22:57,764 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 04:22:57,777 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 04:22:57,805 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 04:22:57,806 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 04:22:57,806 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 04:22:57,806 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 04:22:57,806 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 04:22:57,806 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 04:22:57,806 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 04:22:57,806 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 04:22:57,834 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states. [2019-11-07 04:22:57,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2019-11-07 04:22:57,852 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:22:57,853 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:22:57,855 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:22:57,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:22:57,862 INFO L82 PathProgramCache]: Analyzing trace with hash 1078286448, now seen corresponding path program 1 times [2019-11-07 04:22:57,872 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:22:57,873 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630983423] [2019-11-07 04:22:57,873 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:22:58,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:22:58,561 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-07 04:22:58,562 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630983423] [2019-11-07 04:22:58,565 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:22:58,565 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-07 04:22:58,566 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1411023518] [2019-11-07 04:22:58,575 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 04:22:58,575 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:22:58,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-07 04:22:58,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 04:22:58,593 INFO L87 Difference]: Start difference. First operand 363 states. Second operand 2 states. [2019-11-07 04:22:58,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:22:58,672 INFO L93 Difference]: Finished difference Result 477 states and 577 transitions. [2019-11-07 04:22:58,672 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 04:22:58,674 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 143 [2019-11-07 04:22:58,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:22:58,697 INFO L225 Difference]: With dead ends: 477 [2019-11-07 04:22:58,697 INFO L226 Difference]: Without dead ends: 317 [2019-11-07 04:22:58,703 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 04:22:58,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2019-11-07 04:22:58,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 317. [2019-11-07 04:22:58,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 317 states. [2019-11-07 04:22:58,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 379 transitions. [2019-11-07 04:22:58,789 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 379 transitions. Word has length 143 [2019-11-07 04:22:58,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:22:58,792 INFO L462 AbstractCegarLoop]: Abstraction has 317 states and 379 transitions. [2019-11-07 04:22:58,792 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 04:22:58,792 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 379 transitions. [2019-11-07 04:22:58,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2019-11-07 04:22:58,798 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:22:58,798 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:22:58,799 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:22:58,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:22:58,799 INFO L82 PathProgramCache]: Analyzing trace with hash 528201718, now seen corresponding path program 1 times [2019-11-07 04:22:58,800 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:22:58,800 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706220117] [2019-11-07 04:22:58,800 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:22:58,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:22:59,131 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-07 04:22:59,131 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706220117] [2019-11-07 04:22:59,131 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:22:59,132 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:22:59,132 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102532667] [2019-11-07 04:22:59,137 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:22:59,137 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:22:59,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:22:59,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:22:59,138 INFO L87 Difference]: Start difference. First operand 317 states and 379 transitions. Second operand 3 states. [2019-11-07 04:22:59,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:22:59,222 INFO L93 Difference]: Finished difference Result 462 states and 545 transitions. [2019-11-07 04:22:59,223 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:22:59,224 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 144 [2019-11-07 04:22:59,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:22:59,231 INFO L225 Difference]: With dead ends: 462 [2019-11-07 04:22:59,232 INFO L226 Difference]: Without dead ends: 319 [2019-11-07 04:22:59,236 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:22:59,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2019-11-07 04:22:59,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 319. [2019-11-07 04:22:59,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2019-11-07 04:22:59,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 381 transitions. [2019-11-07 04:22:59,282 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 381 transitions. Word has length 144 [2019-11-07 04:22:59,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:22:59,285 INFO L462 AbstractCegarLoop]: Abstraction has 319 states and 381 transitions. [2019-11-07 04:22:59,285 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:22:59,286 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 381 transitions. [2019-11-07 04:22:59,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-11-07 04:22:59,289 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:22:59,290 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-11-07 04:22:59,290 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:22:59,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:22:59,290 INFO L82 PathProgramCache]: Analyzing trace with hash -1406856567, now seen corresponding path program 1 times [2019-11-07 04:22:59,291 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:22:59,291 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306876774] [2019-11-07 04:22:59,291 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:22:59,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:22:59,496 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-07 04:22:59,496 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306876774] [2019-11-07 04:22:59,497 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:22:59,497 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:22:59,497 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223028933] [2019-11-07 04:22:59,499 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:22:59,499 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:22:59,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:22:59,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:22:59,500 INFO L87 Difference]: Start difference. First operand 319 states and 381 transitions. Second operand 3 states. [2019-11-07 04:22:59,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:22:59,557 INFO L93 Difference]: Finished difference Result 620 states and 769 transitions. [2019-11-07 04:22:59,557 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:22:59,557 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 149 [2019-11-07 04:22:59,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:22:59,566 INFO L225 Difference]: With dead ends: 620 [2019-11-07 04:22:59,567 INFO L226 Difference]: Without dead ends: 359 [2019-11-07 04:22:59,570 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:22:59,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2019-11-07 04:22:59,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 358. [2019-11-07 04:22:59,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 358 states. [2019-11-07 04:22:59,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 449 transitions. [2019-11-07 04:22:59,604 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 449 transitions. Word has length 149 [2019-11-07 04:22:59,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:22:59,605 INFO L462 AbstractCegarLoop]: Abstraction has 358 states and 449 transitions. [2019-11-07 04:22:59,605 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:22:59,605 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 449 transitions. [2019-11-07 04:22:59,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-11-07 04:22:59,608 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:22:59,608 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-11-07 04:22:59,609 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:22:59,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:22:59,609 INFO L82 PathProgramCache]: Analyzing trace with hash -623699734, now seen corresponding path program 1 times [2019-11-07 04:22:59,609 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:22:59,610 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59172363] [2019-11-07 04:22:59,610 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:22:59,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:23:00,220 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-07 04:23:00,221 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59172363] [2019-11-07 04:23:00,221 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:23:00,221 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2019-11-07 04:23:00,221 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788825706] [2019-11-07 04:23:00,223 INFO L442 AbstractCegarLoop]: Interpolant automaton has 24 states [2019-11-07 04:23:00,224 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:23:00,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2019-11-07 04:23:00,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=492, Unknown=0, NotChecked=0, Total=552 [2019-11-07 04:23:00,226 INFO L87 Difference]: Start difference. First operand 358 states and 449 transitions. Second operand 24 states. [2019-11-07 04:23:08,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:23:08,194 INFO L93 Difference]: Finished difference Result 856 states and 1077 transitions. [2019-11-07 04:23:08,201 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2019-11-07 04:23:08,201 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 150 [2019-11-07 04:23:08,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:23:08,207 INFO L225 Difference]: With dead ends: 856 [2019-11-07 04:23:08,208 INFO L226 Difference]: Without dead ends: 721 [2019-11-07 04:23:08,210 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 538 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=272, Invalid=2484, Unknown=0, NotChecked=0, Total=2756 [2019-11-07 04:23:08,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 721 states. [2019-11-07 04:23:08,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 721 to 708. [2019-11-07 04:23:08,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 708 states. [2019-11-07 04:23:08,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 708 states and 876 transitions. [2019-11-07 04:23:08,262 INFO L78 Accepts]: Start accepts. Automaton has 708 states and 876 transitions. Word has length 150 [2019-11-07 04:23:08,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:23:08,263 INFO L462 AbstractCegarLoop]: Abstraction has 708 states and 876 transitions. [2019-11-07 04:23:08,264 INFO L463 AbstractCegarLoop]: Interpolant automaton has 24 states. [2019-11-07 04:23:08,264 INFO L276 IsEmpty]: Start isEmpty. Operand 708 states and 876 transitions. [2019-11-07 04:23:08,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2019-11-07 04:23:08,269 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:23:08,269 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-11-07 04:23:08,270 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:23:08,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:23:08,270 INFO L82 PathProgramCache]: Analyzing trace with hash -1533557838, now seen corresponding path program 1 times [2019-11-07 04:23:08,270 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:23:08,271 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347333739] [2019-11-07 04:23:08,271 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:23:08,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:23:08,989 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-07 04:23:08,990 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347333739] [2019-11-07 04:23:08,990 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2011615139] [2019-11-07 04:23:08,990 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 04:23:09,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:23:09,546 INFO L256 TraceCheckSpWp]: Trace formula consists of 2594 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-07 04:23:09,569 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 04:23:09,694 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-07 04:23:09,694 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 04:23:09,943 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-07 04:23:09,944 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1987960474] [2019-11-07 04:23:09,974 INFO L159 IcfgInterpreter]: Started Sifa with 143 locations of interest [2019-11-07 04:23:09,975 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 04:23:09,982 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 04:23:09,988 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 04:23:09,989 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs