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 --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/product-lines/email_spec1_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:14:09,080 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:14:09,083 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:14:09,101 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:14:09,102 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:14:09,104 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:14:09,106 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:14:09,113 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:14:09,118 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:14:09,120 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:14:09,122 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:14:09,123 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:14:09,124 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:14:09,125 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:14:09,126 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:14:09,128 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:14:09,129 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:14:09,129 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:14:09,131 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:14:09,133 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:14:09,134 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:14:09,136 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:14:09,137 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:14:09,137 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:14:09,140 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:14:09,140 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:14:09,140 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:14:09,141 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:14:09,142 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:14:09,143 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:14:09,143 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:14:09,144 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:14:09,145 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:14:09,145 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:14:09,146 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:14:09,147 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:14:09,147 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:14:09,148 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:14:09,148 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:14:09,149 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:14:09,150 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:14:09,152 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 21:14:09,167 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:14:09,167 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:14:09,169 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:14:09,169 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:14:09,169 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:14:09,169 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:14:09,170 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:14:09,170 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:14:09,170 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:14:09,170 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:14:09,170 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:14:09,171 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:14:09,171 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:14:09,171 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:14:09,171 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:14:09,171 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:14:09,171 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:14:09,172 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:14:09,172 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:14:09,172 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:14:09,172 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:14:09,172 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:14:09,173 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:14:09,173 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:14:09,173 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:14:09,173 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:14:09,173 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:14:09,174 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:14:09,174 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-13 21:14:09,479 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:14:09,492 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:14:09,496 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:14:09,498 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:14:09,498 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:14:09,499 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec1_product28.cil.c [2019-10-13 21:14:09,563 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/016b7a3e8/2c555cf123e24cb89dfae6fa2871f7e2/FLAG74dbb3537 [2019-10-13 21:14:10,233 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:14:10,234 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec1_product28.cil.c [2019-10-13 21:14:10,255 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/016b7a3e8/2c555cf123e24cb89dfae6fa2871f7e2/FLAG74dbb3537 [2019-10-13 21:14:10,410 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/016b7a3e8/2c555cf123e24cb89dfae6fa2871f7e2 [2019-10-13 21:14:10,422 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:14:10,424 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:14:10,425 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:14:10,425 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:14:10,429 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:14:10,430 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:14:10" (1/1) ... [2019-10-13 21:14:10,433 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29914bb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:14:10, skipping insertion in model container [2019-10-13 21:14:10,433 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:14:10" (1/1) ... [2019-10-13 21:14:10,441 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:14:10,528 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:14:11,288 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:14:11,311 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:14:11,442 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:14:11,540 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:14:11,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:14:11 WrapperNode [2019-10-13 21:14:11,541 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:14:11,542 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:14:11,542 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:14:11,543 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:14:11,557 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:14:11" (1/1) ... [2019-10-13 21:14:11,558 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:14:11" (1/1) ... [2019-10-13 21:14:11,593 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:14:11" (1/1) ... [2019-10-13 21:14:11,593 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:14:11" (1/1) ... [2019-10-13 21:14:11,651 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:14:11" (1/1) ... [2019-10-13 21:14:11,674 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:14:11" (1/1) ... [2019-10-13 21:14:11,687 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:14:11" (1/1) ... [2019-10-13 21:14:11,720 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:14:11,721 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:14:11,721 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:14:11,721 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:14:11,725 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:14:11" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:14:11,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:14:11,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:14:11,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 21:14:11,828 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-13 21:14:11,829 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-13 21:14:11,830 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-13 21:14:11,830 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-13 21:14:11,830 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-13 21:14:11,830 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-13 21:14:11,831 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-13 21:14:11,831 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-13 21:14:11,831 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-13 21:14:11,832 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-13 21:14:11,833 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-13 21:14:11,833 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-13 21:14:11,833 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-13 21:14:11,836 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-13 21:14:11,837 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-13 21:14:11,837 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-13 21:14:11,837 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-13 21:14:11,838 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-13 21:14:11,838 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-13 21:14:11,838 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-13 21:14:11,839 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-13 21:14:11,840 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-13 21:14:11,840 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-13 21:14:11,840 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-13 21:14:11,840 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-13 21:14:11,840 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-13 21:14:11,841 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-13 21:14:11,841 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-13 21:14:11,841 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-13 21:14:11,841 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 21:14:11,841 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 21:14:11,842 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 21:14:11,842 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 21:14:11,842 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 21:14:11,843 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 21:14:11,843 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-13 21:14:11,843 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 21:14:11,844 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 21:14:11,844 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 21:14:11,844 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 21:14:11,844 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-10-13 21:14:11,844 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-13 21:14:11,844 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Encrypt [2019-10-13 21:14:11,845 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2019-10-13 21:14:11,845 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-13 21:14:11,845 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-13 21:14:11,845 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-13 21:14:11,845 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-13 21:14:11,846 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-13 21:14:11,846 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-13 21:14:11,846 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-13 21:14:11,846 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-13 21:14:11,846 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-13 21:14:11,846 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-13 21:14:11,847 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-13 21:14:11,847 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-13 21:14:11,847 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-13 21:14:11,847 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 21:14:11,847 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:14:11,848 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-13 21:14:11,848 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-13 21:14:11,849 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-13 21:14:11,849 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-13 21:14:11,849 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-13 21:14:11,850 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-13 21:14:11,850 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-13 21:14:11,850 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-13 21:14:11,850 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-13 21:14:11,851 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 21:14:11,851 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 21:14:11,852 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-13 21:14:11,852 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-13 21:14:11,852 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-13 21:14:11,853 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-13 21:14:11,853 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-13 21:14:11,853 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-13 21:14:11,854 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-13 21:14:11,854 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-13 21:14:11,854 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-13 21:14:11,855 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-13 21:14:11,855 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-13 21:14:11,856 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-13 21:14:11,856 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-13 21:14:11,856 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-13 21:14:11,857 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-13 21:14:11,857 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-13 21:14:11,858 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-13 21:14:11,858 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-13 21:14:11,858 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-13 21:14:11,858 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-13 21:14:11,858 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-13 21:14:11,858 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-13 21:14:11,859 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-13 21:14:11,859 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2019-10-13 21:14:11,859 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-13 21:14:11,859 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-13 21:14:11,859 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-13 21:14:11,859 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-13 21:14:11,860 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-13 21:14:11,860 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-13 21:14:11,860 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-13 21:14:11,860 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-13 21:14:11,860 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-13 21:14:11,860 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-13 21:14:11,860 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-13 21:14:11,861 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-13 21:14:11,861 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-13 21:14:11,861 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-13 21:14:11,861 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-13 21:14:11,861 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:14:11,862 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:14:11,862 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-13 21:14:11,862 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-13 21:14:11,863 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-13 21:14:11,863 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-13 21:14:11,863 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-13 21:14:11,863 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-13 21:14:11,864 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-13 21:14:11,864 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-13 21:14:11,865 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-13 21:14:11,865 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-13 21:14:11,866 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-13 21:14:11,867 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-13 21:14:11,867 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-13 21:14:11,867 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-13 21:14:11,867 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-13 21:14:11,867 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-13 21:14:11,868 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-13 21:14:11,868 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-13 21:14:11,868 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-13 21:14:11,869 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-13 21:14:11,869 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-13 21:14:11,869 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-13 21:14:11,870 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-13 21:14:11,873 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-13 21:14:11,873 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-13 21:14:11,873 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-13 21:14:11,874 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-13 21:14:11,874 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-13 21:14:11,874 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-13 21:14:11,875 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 21:14:11,881 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:14:11,882 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 21:14:11,882 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 21:14:11,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:14:11,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 21:14:11,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:14:11,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 21:14:11,882 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 21:14:11,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:14:11,883 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 21:14:11,883 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 21:14:11,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:14:11,883 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 21:14:11,883 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 21:14:11,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:14:11,884 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 21:14:11,884 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 21:14:11,884 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-13 21:14:11,884 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 21:14:11,884 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 21:14:11,884 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 21:14:11,885 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 21:14:11,885 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 21:14:11,885 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-13 21:14:11,885 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-13 21:14:11,885 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-10-13 21:14:11,885 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-13 21:14:11,885 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-13 21:14:11,886 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-13 21:14:11,886 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-13 21:14:11,886 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-13 21:14:11,886 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-13 21:14:11,886 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-13 21:14:11,886 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-13 21:14:11,886 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-13 21:14:11,887 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-13 21:14:11,887 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-13 21:14:11,887 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-13 21:14:11,887 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-13 21:14:11,887 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-13 21:14:11,887 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Encrypt [2019-10-13 21:14:11,887 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2019-10-13 21:14:11,887 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-13 21:14:11,888 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-13 21:14:11,888 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-13 21:14:11,888 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-13 21:14:11,888 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-13 21:14:11,888 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-13 21:14:11,888 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-13 21:14:11,888 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-13 21:14:11,889 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-13 21:14:11,889 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-13 21:14:11,889 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-13 21:14:11,889 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-13 21:14:11,889 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 21:14:11,889 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 21:14:11,889 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:14:11,890 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-13 21:14:11,890 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-13 21:14:11,890 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-13 21:14:11,890 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-13 21:14:11,890 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-13 21:14:11,890 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-13 21:14:11,890 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-13 21:14:11,890 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-13 21:14:11,891 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-13 21:14:11,891 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-13 21:14:11,891 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-13 21:14:11,891 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-13 21:14:11,891 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-13 21:14:11,891 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-13 21:14:11,892 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-13 21:14:11,892 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-13 21:14:11,892 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-13 21:14:11,892 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-13 21:14:11,892 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-13 21:14:11,892 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-13 21:14:11,892 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-13 21:14:11,892 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-13 21:14:11,893 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-13 21:14:11,893 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-13 21:14:11,893 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-13 21:14:11,893 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-13 21:14:11,893 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-13 21:14:11,893 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-13 21:14:11,893 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-13 21:14:11,893 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-13 21:14:11,894 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-13 21:14:11,894 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-13 21:14:11,894 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2019-10-13 21:14:11,894 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-13 21:14:11,894 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-13 21:14:11,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:14:11,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 21:14:11,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:14:14,176 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:14:14,176 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-13 21:14:14,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:14:14 BoogieIcfgContainer [2019-10-13 21:14:14,178 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:14:14,179 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:14:14,180 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:14:14,183 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:14:14,183 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:14:10" (1/3) ... [2019-10-13 21:14:14,184 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7708ac86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:14:14, skipping insertion in model container [2019-10-13 21:14:14,184 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:14:11" (2/3) ... [2019-10-13 21:14:14,185 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7708ac86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:14:14, skipping insertion in model container [2019-10-13 21:14:14,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:14:14" (3/3) ... [2019-10-13 21:14:14,188 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec1_product28.cil.c [2019-10-13 21:14:14,198 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:14:14,211 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:14:14,223 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:14:14,265 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:14:14,265 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:14:14,266 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:14:14,266 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:14:14,266 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:14:14,266 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:14:14,266 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:14:14,266 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:14:14,307 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states. [2019-10-13 21:14:14,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2019-10-13 21:14:14,340 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:14:14,341 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2019-10-13 21:14:14,343 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:14:14,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:14:14,349 INFO L82 PathProgramCache]: Analyzing trace with hash 90339027, now seen corresponding path program 1 times [2019-10-13 21:14:14,359 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:14:14,360 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952210957] [2019-10-13 21:14:14,360 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:14:14,360 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:14:14,361 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:14:14,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:14:15,044 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-13 21:14:15,045 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952210957] [2019-10-13 21:14:15,049 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:14:15,049 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 21:14:15,050 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121688247] [2019-10-13 21:14:15,057 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:14:15,059 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:14:15,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:14:15,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:14:15,076 INFO L87 Difference]: Start difference. First operand 509 states. Second operand 2 states. [2019-10-13 21:14:15,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:14:15,194 INFO L93 Difference]: Finished difference Result 715 states and 948 transitions. [2019-10-13 21:14:15,194 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:14:15,196 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 158 [2019-10-13 21:14:15,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:14:15,233 INFO L225 Difference]: With dead ends: 715 [2019-10-13 21:14:15,234 INFO L226 Difference]: Without dead ends: 458 [2019-10-13 21:14:15,244 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:14:15,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2019-10-13 21:14:15,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 458. [2019-10-13 21:14:15,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 458 states. [2019-10-13 21:14:15,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 611 transitions. [2019-10-13 21:14:15,361 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 611 transitions. Word has length 158 [2019-10-13 21:14:15,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:14:15,364 INFO L462 AbstractCegarLoop]: Abstraction has 458 states and 611 transitions. [2019-10-13 21:14:15,364 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:14:15,365 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 611 transitions. [2019-10-13 21:14:15,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-10-13 21:14:15,377 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:14:15,377 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2019-10-13 21:14:15,377 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:14:15,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:14:15,378 INFO L82 PathProgramCache]: Analyzing trace with hash -2056663134, now seen corresponding path program 1 times [2019-10-13 21:14:15,378 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:14:15,378 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108626666] [2019-10-13 21:14:15,379 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:14:15,379 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:14:15,379 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:14:15,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:14:15,573 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-13 21:14:15,573 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108626666] [2019-10-13 21:14:15,573 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:14:15,574 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:14:15,574 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009130319] [2019-10-13 21:14:15,577 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:14:15,577 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:14:15,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:14:15,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:14:15,578 INFO L87 Difference]: Start difference. First operand 458 states and 611 transitions. Second operand 3 states. [2019-10-13 21:14:15,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:14:15,659 INFO L93 Difference]: Finished difference Result 698 states and 916 transitions. [2019-10-13 21:14:15,662 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:14:15,663 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 159 [2019-10-13 21:14:15,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:14:15,667 INFO L225 Difference]: With dead ends: 698 [2019-10-13 21:14:15,668 INFO L226 Difference]: Without dead ends: 461 [2019-10-13 21:14:15,671 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:14:15,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2019-10-13 21:14:15,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 460. [2019-10-13 21:14:15,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 460 states. [2019-10-13 21:14:15,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 613 transitions. [2019-10-13 21:14:15,705 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 613 transitions. Word has length 159 [2019-10-13 21:14:15,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:14:15,706 INFO L462 AbstractCegarLoop]: Abstraction has 460 states and 613 transitions. [2019-10-13 21:14:15,706 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:14:15,706 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 613 transitions. [2019-10-13 21:14:15,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2019-10-13 21:14:15,710 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:14:15,710 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2019-10-13 21:14:15,710 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:14:15,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:14:15,711 INFO L82 PathProgramCache]: Analyzing trace with hash -916505354, now seen corresponding path program 1 times [2019-10-13 21:14:15,712 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:14:15,712 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882704798] [2019-10-13 21:14:15,713 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:14:15,713 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:14:15,713 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:14:15,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:14:15,938 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-13 21:14:15,938 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882704798] [2019-10-13 21:14:15,939 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:14:15,939 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:14:15,939 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709131817] [2019-10-13 21:14:15,940 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:14:15,940 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:14:15,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:14:15,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:14:15,941 INFO L87 Difference]: Start difference. First operand 460 states and 613 transitions. Second operand 3 states. [2019-10-13 21:14:15,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:14:15,977 INFO L93 Difference]: Finished difference Result 894 states and 1221 transitions. [2019-10-13 21:14:15,977 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:14:15,977 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 165 [2019-10-13 21:14:15,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:14:15,982 INFO L225 Difference]: With dead ends: 894 [2019-10-13 21:14:15,982 INFO L226 Difference]: Without dead ends: 499 [2019-10-13 21:14:15,984 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:14:15,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 499 states. [2019-10-13 21:14:16,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 499 to 498. [2019-10-13 21:14:16,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 498 states. [2019-10-13 21:14:16,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 679 transitions. [2019-10-13 21:14:16,024 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 679 transitions. Word has length 165 [2019-10-13 21:14:16,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:14:16,025 INFO L462 AbstractCegarLoop]: Abstraction has 498 states and 679 transitions. [2019-10-13 21:14:16,025 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:14:16,025 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 679 transitions. [2019-10-13 21:14:16,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2019-10-13 21:14:16,028 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:14:16,029 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2019-10-13 21:14:16,029 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:14:16,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:14:16,030 INFO L82 PathProgramCache]: Analyzing trace with hash 1378701961, now seen corresponding path program 1 times [2019-10-13 21:14:16,030 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:14:16,030 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179566010] [2019-10-13 21:14:16,030 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:14:16,030 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:14:16,031 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:14:16,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:14:17,462 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-13 21:14:17,463 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179566010] [2019-10-13 21:14:17,463 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:14:17,463 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [38] imperfect sequences [] total 38 [2019-10-13 21:14:17,464 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816620353] [2019-10-13 21:14:17,464 INFO L442 AbstractCegarLoop]: Interpolant automaton has 38 states [2019-10-13 21:14:17,464 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:14:17,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2019-10-13 21:14:17,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=1327, Unknown=0, NotChecked=0, Total=1406 [2019-10-13 21:14:17,468 INFO L87 Difference]: Start difference. First operand 498 states and 679 transitions. Second operand 38 states.