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_spec6_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:16:41,158 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:16:41,161 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:16:41,174 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 01:16:41,174 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 01:16:41,175 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 01:16:41,176 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 01:16:41,178 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 01:16:41,180 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 01:16:41,181 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 01:16:41,182 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 01:16:41,183 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 01:16:41,183 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:16:41,184 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:16:41,185 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:16:41,186 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:16:41,187 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:16:41,187 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:16:41,189 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:16:41,191 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:16:41,193 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:16:41,194 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:16:41,195 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:16:41,195 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:16:41,198 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 01:16:41,198 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 01:16:41,198 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 01:16:41,199 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 01:16:41,199 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 01:16:41,200 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 01:16:41,200 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 01:16:41,201 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 01:16:41,202 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 01:16:41,202 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 01:16:41,203 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 01:16:41,204 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 01:16:41,204 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 01:16:41,205 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 01:16:41,205 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:16:41,206 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:16:41,206 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:16:41,207 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 01:16:41,221 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:16:41,221 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:16:41,223 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:16:41,223 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:16:41,223 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:16:41,223 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:16:41,223 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:16:41,224 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:16:41,224 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:16:41,224 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:16:41,224 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:16:41,224 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:16:41,225 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:16:41,225 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:16:41,225 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:16:41,225 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:16:41,225 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:16:41,226 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:16:41,226 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:16:41,226 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:16:41,226 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:16:41,226 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:16:41,227 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:16:41,227 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:16:41,227 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:16:41,227 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:16:41,227 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:16:41,228 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:16:41,228 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 [2019-10-15 01:16:41,527 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:16:41,541 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:16:41,545 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:16:41,546 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:16:41,547 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:16:41,548 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec6_productSimulator.cil.c [2019-10-15 01:16:41,613 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6208ccb1/570efaa5219247feb011eec5df017f8c/FLAGe79efbc1c [2019-10-15 01:16:42,328 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:16:42,329 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec6_productSimulator.cil.c [2019-10-15 01:16:42,368 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6208ccb1/570efaa5219247feb011eec5df017f8c/FLAGe79efbc1c [2019-10-15 01:16:42,487 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6208ccb1/570efaa5219247feb011eec5df017f8c [2019-10-15 01:16:42,501 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:16:42,503 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:16:42,504 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:16:42,504 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:16:42,507 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:16:42,508 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:16:42" (1/1) ... [2019-10-15 01:16:42,510 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c4dd8bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:16:42, skipping insertion in model container [2019-10-15 01:16:42,510 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:16:42" (1/1) ... [2019-10-15 01:16:42,517 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:16:42,585 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:16:43,387 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:16:43,407 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:16:43,565 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:16:43,757 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:16:43,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:16:43 WrapperNode [2019-10-15 01:16:43,758 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:16:43,759 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:16:43,759 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:16:43,759 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:16:43,773 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:16:43" (1/1) ... [2019-10-15 01:16:43,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:16:43" (1/1) ... [2019-10-15 01:16:43,818 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:16:43" (1/1) ... [2019-10-15 01:16:43,829 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:16:43" (1/1) ... [2019-10-15 01:16:43,889 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:16:43" (1/1) ... [2019-10-15 01:16:43,935 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:16:43" (1/1) ... [2019-10-15 01:16:43,964 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:16:43" (1/1) ... [2019-10-15 01:16:43,980 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:16:43,981 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:16:43,981 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:16:43,981 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:16:43,982 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:16:43" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:16:44,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:16:44,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:16:44,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 01:16:44,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptDecrypt_spec__1 [2019-10-15 01:16:44,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptDecrypt_spec__2 [2019-10-15 01:16:44,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 01:16:44,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 01:16:44,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 01:16:44,061 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 01:16:44,061 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 01:16:44,061 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 01:16:44,062 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Encrypt [2019-10-15 01:16:44,062 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Encrypt [2019-10-15 01:16:44,063 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Sign [2019-10-15 01:16:44,063 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Sign [2019-10-15 01:16:44,063 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Verify [2019-10-15 01:16:44,065 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Verify [2019-10-15 01:16:44,065 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-15 01:16:44,066 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__before__Encrypt [2019-10-15 01:16:44,066 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__role__Encrypt [2019-10-15 01:16:44,066 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-15 01:16:44,067 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-15 01:16:44,067 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-15 01:16:44,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 01:16:44,067 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 01:16:44,067 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 01:16:44,067 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 01:16:44,068 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 01:16:44,068 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-15 01:16:44,068 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-15 01:16:44,068 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-15 01:16:44,068 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-15 01:16:44,068 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-15 01:16:44,069 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-15 01:16:44,069 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-15 01:16:44,069 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-15 01:16:44,069 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-15 01:16:44,070 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-15 01:16:44,070 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-15 01:16:44,070 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-15 01:16:44,070 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-15 01:16:44,070 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-15 01:16:44,070 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-15 01:16:44,071 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-15 01:16:44,071 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-15 01:16:44,071 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-15 01:16:44,071 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-15 01:16:44,071 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-15 01:16:44,071 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-15 01:16:44,072 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-15 01:16:44,072 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-15 01:16:44,072 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-15 01:16:44,072 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-15 01:16:44,072 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-15 01:16:44,073 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-15 01:16:44,073 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-15 01:16:44,073 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-15 01:16:44,073 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-15 01:16:44,073 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 01:16:44,074 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__before__Keys [2019-10-15 01:16:44,074 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__role__Keys [2019-10-15 01:16:44,074 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-15 01:16:44,075 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__before__Keys [2019-10-15 01:16:44,075 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__role__Keys [2019-10-15 01:16:44,075 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-15 01:16:44,075 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__before__Keys [2019-10-15 01:16:44,075 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__role__Keys [2019-10-15 01:16:44,076 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-15 01:16:44,076 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-15 01:16:44,076 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-15 01:16:44,076 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 01:16:44,076 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:16:44,077 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-15 01:16:44,077 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-15 01:16:44,077 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-15 01:16:44,078 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-15 01:16:44,078 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-15 01:16:44,078 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-15 01:16:44,078 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-15 01:16:44,079 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-15 01:16:44,079 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-15 01:16:44,079 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-15 01:16:44,079 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-15 01:16:44,080 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-15 01:16:44,080 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-15 01:16:44,081 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-15 01:16:44,081 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-15 01:16:44,081 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-15 01:16:44,082 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-15 01:16:44,082 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-15 01:16:44,082 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-15 01:16:44,082 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-15 01:16:44,082 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-15 01:16:44,083 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-15 01:16:44,083 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-15 01:16:44,083 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-15 01:16:44,083 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-15 01:16:44,083 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-15 01:16:44,083 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-15 01:16:44,084 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-15 01:16:44,084 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-15 01:16:44,084 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-15 01:16:44,084 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-15 01:16:44,084 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-15 01:16:44,084 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-15 01:16:44,085 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-15 01:16:44,085 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Encrypt [2019-10-15 01:16:44,085 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Encrypt [2019-10-15 01:16:44,120 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__AddressBook [2019-10-15 01:16:44,120 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__AddressBook [2019-10-15 01:16:44,120 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Sign [2019-10-15 01:16:44,120 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Sign [2019-10-15 01:16:44,121 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-15 01:16:44,121 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-15 01:16:44,121 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__AutoResponder [2019-10-15 01:16:44,121 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__AutoResponder [2019-10-15 01:16:44,121 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Forward [2019-10-15 01:16:44,121 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Forward [2019-10-15 01:16:44,121 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Verify [2019-10-15 01:16:44,122 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Verify [2019-10-15 01:16:44,122 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Decrypt [2019-10-15 01:16:44,122 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Decrypt [2019-10-15 01:16:44,122 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-15 01:16:44,122 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-15 01:16:44,122 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-15 01:16:44,123 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-15 01:16:44,123 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-15 01:16:44,123 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-15 01:16:44,123 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-15 01:16:44,126 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-15 01:16:44,126 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-15 01:16:44,127 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-15 01:16:44,127 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-15 01:16:44,127 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-15 01:16:44,127 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-15 01:16:44,127 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-15 01:16:44,128 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:16:44,128 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 01:16:44,128 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 01:16:44,129 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-15 01:16:44,129 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-15 01:16:44,129 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-15 01:16:44,129 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-15 01:16:44,129 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 01:16:44,129 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-15 01:16:44,130 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptDecrypt_spec__1 [2019-10-15 01:16:44,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 01:16:44,130 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptDecrypt_spec__2 [2019-10-15 01:16:44,130 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 01:16:44,131 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 01:16:44,131 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 01:16:44,131 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 01:16:44,132 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 01:16:44,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 01:16:44,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 01:16:44,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 01:16:44,132 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 01:16:44,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 01:16:44,132 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 01:16:44,132 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 01:16:44,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 01:16:44,133 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 01:16:44,133 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 01:16:44,133 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 01:16:44,133 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-15 01:16:44,134 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-15 01:16:44,134 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-15 01:16:44,134 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-15 01:16:44,134 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-15 01:16:44,134 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-15 01:16:44,134 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-15 01:16:44,134 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-15 01:16:44,134 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-15 01:16:44,135 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-15 01:16:44,135 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-15 01:16:44,135 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-15 01:16:44,135 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Encrypt [2019-10-15 01:16:44,135 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Encrypt [2019-10-15 01:16:44,135 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Sign [2019-10-15 01:16:44,135 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Sign [2019-10-15 01:16:44,135 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Verify [2019-10-15 01:16:44,136 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Verify [2019-10-15 01:16:44,136 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__before__Encrypt [2019-10-15 01:16:44,136 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__role__Encrypt [2019-10-15 01:16:44,136 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 01:16:44,137 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 01:16:44,137 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 01:16:44,137 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 01:16:44,137 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-15 01:16:44,137 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-15 01:16:44,137 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-15 01:16:44,137 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-15 01:16:44,138 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-15 01:16:44,138 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-15 01:16:44,138 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-15 01:16:44,138 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-15 01:16:44,138 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-15 01:16:44,138 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-15 01:16:44,138 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-15 01:16:44,138 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-15 01:16:44,139 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-15 01:16:44,139 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-15 01:16:44,139 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-15 01:16:44,139 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-15 01:16:44,139 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-15 01:16:44,139 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-15 01:16:44,139 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-15 01:16:44,140 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-15 01:16:44,140 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-15 01:16:44,140 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-15 01:16:44,140 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-15 01:16:44,140 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-15 01:16:44,140 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-15 01:16:44,140 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-15 01:16:44,140 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-15 01:16:44,141 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-15 01:16:44,141 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-15 01:16:44,141 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-15 01:16:44,141 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-15 01:16:44,141 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-15 01:16:44,141 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-15 01:16:44,141 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-15 01:16:44,141 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-15 01:16:44,142 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-15 01:16:44,142 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-15 01:16:44,142 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-15 01:16:44,142 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-15 01:16:44,142 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-15 01:16:44,142 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 01:16:44,142 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-15 01:16:44,142 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-15 01:16:44,143 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-15 01:16:44,143 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-15 01:16:44,143 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-15 01:16:44,143 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-15 01:16:44,143 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-15 01:16:44,143 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-15 01:16:44,143 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-15 01:16:44,143 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-15 01:16:44,144 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 01:16:44,144 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:16:44,144 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-15 01:16:44,144 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-15 01:16:44,144 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__before__Keys [2019-10-15 01:16:44,144 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__role__Keys [2019-10-15 01:16:44,144 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__before__Keys [2019-10-15 01:16:44,144 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__role__Keys [2019-10-15 01:16:44,144 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__before__Keys [2019-10-15 01:16:44,145 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__role__Keys [2019-10-15 01:16:44,145 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-15 01:16:44,145 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-15 01:16:44,145 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-15 01:16:44,146 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-15 01:16:44,146 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-15 01:16:44,146 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-15 01:16:44,146 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-15 01:16:44,147 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-15 01:16:44,147 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-15 01:16:44,147 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-15 01:16:44,147 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-15 01:16:44,147 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-15 01:16:44,147 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-15 01:16:44,147 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-15 01:16:44,148 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-15 01:16:44,148 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-15 01:16:44,152 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-15 01:16:44,152 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-15 01:16:44,152 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-15 01:16:44,152 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-15 01:16:44,152 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-15 01:16:44,153 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Encrypt [2019-10-15 01:16:44,153 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Encrypt [2019-10-15 01:16:44,160 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__AddressBook [2019-10-15 01:16:44,160 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__AddressBook [2019-10-15 01:16:44,160 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Sign [2019-10-15 01:16:44,160 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Sign [2019-10-15 01:16:44,160 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__AutoResponder [2019-10-15 01:16:44,160 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__AutoResponder [2019-10-15 01:16:44,160 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Forward [2019-10-15 01:16:44,161 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Forward [2019-10-15 01:16:44,161 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Verify [2019-10-15 01:16:44,161 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Verify [2019-10-15 01:16:44,161 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Decrypt [2019-10-15 01:16:44,161 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Decrypt [2019-10-15 01:16:44,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:16:44,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 01:16:44,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:16:46,883 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:16:46,884 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-15 01:16:46,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:16:46 BoogieIcfgContainer [2019-10-15 01:16:46,887 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:16:46,889 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:16:46,889 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:16:46,893 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:16:46,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:16:42" (1/3) ... [2019-10-15 01:16:46,894 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e9d600d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:16:46, skipping insertion in model container [2019-10-15 01:16:46,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:16:43" (2/3) ... [2019-10-15 01:16:46,895 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e9d600d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:16:46, skipping insertion in model container [2019-10-15 01:16:46,895 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:16:46" (3/3) ... [2019-10-15 01:16:46,897 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec6_productSimulator.cil.c [2019-10-15 01:16:46,909 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:16:46,921 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 01:16:46,934 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 01:16:46,995 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:16:46,995 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:16:46,996 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:16:46,996 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:16:46,996 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:16:46,996 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:16:46,996 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:16:46,996 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:16:47,043 INFO L276 IsEmpty]: Start isEmpty. Operand 822 states. [2019-10-15 01:16:47,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2019-10-15 01:16:47,086 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:16:47,089 INFO L380 BasicCegarLoop]: trace histogram [8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:16:47,094 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:16:47,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:16:47,101 INFO L82 PathProgramCache]: Analyzing trace with hash 924149196, now seen corresponding path program 1 times [2019-10-15 01:16:47,113 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:16:47,114 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178644821] [2019-10-15 01:16:47,114 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:16:47,114 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:16:47,114 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:16:47,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:16:47,947 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2019-10-15 01:16:47,948 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178644821] [2019-10-15 01:16:47,949 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:16:47,949 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:16:47,950 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655546165] [2019-10-15 01:16:47,955 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:16:47,957 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:16:47,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:16:47,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:16:47,976 INFO L87 Difference]: Start difference. First operand 822 states. Second operand 6 states. [2019-10-15 01:16:48,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:16:48,245 INFO L93 Difference]: Finished difference Result 1562 states and 2158 transitions. [2019-10-15 01:16:48,246 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 01:16:48,247 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 201 [2019-10-15 01:16:48,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:16:48,286 INFO L225 Difference]: With dead ends: 1562 [2019-10-15 01:16:48,287 INFO L226 Difference]: Without dead ends: 793 [2019-10-15 01:16:48,299 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-15 01:16:48,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 793 states. [2019-10-15 01:16:48,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 793. [2019-10-15 01:16:48,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 793 states. [2019-10-15 01:16:48,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 793 states to 793 states and 1079 transitions. [2019-10-15 01:16:48,422 INFO L78 Accepts]: Start accepts. Automaton has 793 states and 1079 transitions. Word has length 201 [2019-10-15 01:16:48,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:16:48,424 INFO L462 AbstractCegarLoop]: Abstraction has 793 states and 1079 transitions. [2019-10-15 01:16:48,424 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:16:48,424 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 1079 transitions. [2019-10-15 01:16:48,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2019-10-15 01:16:48,431 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:16:48,431 INFO L380 BasicCegarLoop]: trace histogram [8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:16:48,431 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:16:48,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:16:48,432 INFO L82 PathProgramCache]: Analyzing trace with hash 1049194950, now seen corresponding path program 1 times [2019-10-15 01:16:48,432 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:16:48,432 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588493982] [2019-10-15 01:16:48,433 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:16:48,433 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:16:48,433 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:16:48,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:16:48,702 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2019-10-15 01:16:48,703 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588493982] [2019-10-15 01:16:48,703 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:16:48,703 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 01:16:48,704 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021574024] [2019-10-15 01:16:48,706 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 01:16:48,707 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:16:48,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 01:16:48,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:16:48,707 INFO L87 Difference]: Start difference. First operand 793 states and 1079 transitions. Second operand 4 states. [2019-10-15 01:16:49,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:16:49,860 INFO L93 Difference]: Finished difference Result 1549 states and 2143 transitions. [2019-10-15 01:16:49,860 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 01:16:49,860 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 207 [2019-10-15 01:16:49,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:16:49,870 INFO L225 Difference]: With dead ends: 1549 [2019-10-15 01:16:49,870 INFO L226 Difference]: Without dead ends: 792 [2019-10-15 01:16:49,874 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:16:49,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 792 states. [2019-10-15 01:16:49,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 792 to 792. [2019-10-15 01:16:49,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 792 states. [2019-10-15 01:16:49,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 792 states and 1069 transitions. [2019-10-15 01:16:49,970 INFO L78 Accepts]: Start accepts. Automaton has 792 states and 1069 transitions. Word has length 207 [2019-10-15 01:16:49,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:16:49,972 INFO L462 AbstractCegarLoop]: Abstraction has 792 states and 1069 transitions. [2019-10-15 01:16:49,973 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 01:16:49,973 INFO L276 IsEmpty]: Start isEmpty. Operand 792 states and 1069 transitions. [2019-10-15 01:16:49,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2019-10-15 01:16:49,990 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:16:49,993 INFO L380 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:16:49,994 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:16:49,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:16:49,995 INFO L82 PathProgramCache]: Analyzing trace with hash -664610348, now seen corresponding path program 1 times [2019-10-15 01:16:49,996 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:16:49,996 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664130759] [2019-10-15 01:16:49,997 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:16:49,997 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:16:49,999 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:16:50,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:16:50,221 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2019-10-15 01:16:50,221 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664130759] [2019-10-15 01:16:50,222 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:16:50,222 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:16:50,222 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104945798] [2019-10-15 01:16:50,223 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:16:50,224 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:16:50,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:16:50,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:16:50,224 INFO L87 Difference]: Start difference. First operand 792 states and 1069 transitions. Second operand 3 states. [2019-10-15 01:16:50,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:16:50,421 INFO L93 Difference]: Finished difference Result 1542 states and 2102 transitions. [2019-10-15 01:16:50,421 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:16:50,421 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 225 [2019-10-15 01:16:50,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:16:50,429 INFO L225 Difference]: With dead ends: 1542 [2019-10-15 01:16:50,429 INFO L226 Difference]: Without dead ends: 791 [2019-10-15 01:16:50,432 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:16:50,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 791 states. [2019-10-15 01:16:50,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 791 to 791. [2019-10-15 01:16:50,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 791 states. [2019-10-15 01:16:50,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 1065 transitions. [2019-10-15 01:16:50,478 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 1065 transitions. Word has length 225 [2019-10-15 01:16:50,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:16:50,479 INFO L462 AbstractCegarLoop]: Abstraction has 791 states and 1065 transitions. [2019-10-15 01:16:50,479 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:16:50,479 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 1065 transitions. [2019-10-15 01:16:50,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2019-10-15 01:16:50,485 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:16:50,486 INFO L380 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:16:50,486 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:16:50,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:16:50,487 INFO L82 PathProgramCache]: Analyzing trace with hash -1053060183, now seen corresponding path program 1 times [2019-10-15 01:16:50,487 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:16:50,487 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79009260] [2019-10-15 01:16:50,488 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:16:50,488 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:16:50,488 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:16:50,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:16:50,799 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2019-10-15 01:16:50,799 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79009260] [2019-10-15 01:16:50,800 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:16:50,800 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 01:16:50,800 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131464053] [2019-10-15 01:16:50,801 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 01:16:50,801 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:16:50,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 01:16:50,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:16:50,802 INFO L87 Difference]: Start difference. First operand 791 states and 1065 transitions. Second operand 4 states. [2019-10-15 01:16:51,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:16:51,706 INFO L93 Difference]: Finished difference Result 1513 states and 2048 transitions. [2019-10-15 01:16:51,706 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 01:16:51,706 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 226 [2019-10-15 01:16:51,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:16:51,713 INFO L225 Difference]: With dead ends: 1513 [2019-10-15 01:16:51,713 INFO L226 Difference]: Without dead ends: 788 [2019-10-15 01:16:51,716 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:16:51,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 788 states. [2019-10-15 01:16:51,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 788 to 788. [2019-10-15 01:16:51,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 788 states. [2019-10-15 01:16:51,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 788 states and 1048 transitions. [2019-10-15 01:16:51,764 INFO L78 Accepts]: Start accepts. Automaton has 788 states and 1048 transitions. Word has length 226 [2019-10-15 01:16:51,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:16:51,768 INFO L462 AbstractCegarLoop]: Abstraction has 788 states and 1048 transitions. [2019-10-15 01:16:51,768 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 01:16:51,769 INFO L276 IsEmpty]: Start isEmpty. Operand 788 states and 1048 transitions. [2019-10-15 01:16:51,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2019-10-15 01:16:51,774 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:16:51,775 INFO L380 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:16:51,775 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:16:51,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:16:51,776 INFO L82 PathProgramCache]: Analyzing trace with hash 1140703033, now seen corresponding path program 1 times [2019-10-15 01:16:51,776 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:16:51,776 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849375441] [2019-10-15 01:16:51,777 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:16:51,777 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:16:51,777 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:16:51,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:16:52,072 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2019-10-15 01:16:52,073 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849375441] [2019-10-15 01:16:52,074 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:16:52,074 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:16:52,074 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588869127] [2019-10-15 01:16:52,075 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:16:52,075 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:16:52,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:16:52,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:16:52,076 INFO L87 Difference]: Start difference. First operand 788 states and 1048 transitions. Second operand 3 states. [2019-10-15 01:16:52,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:16:52,134 INFO L93 Difference]: Finished difference Result 1229 states and 1615 transitions. [2019-10-15 01:16:52,134 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:16:52,135 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 253 [2019-10-15 01:16:52,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:16:52,141 INFO L225 Difference]: With dead ends: 1229 [2019-10-15 01:16:52,142 INFO L226 Difference]: Without dead ends: 791 [2019-10-15 01:16:52,147 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:16:52,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 791 states. [2019-10-15 01:16:52,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 791 to 790. [2019-10-15 01:16:52,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 790 states. [2019-10-15 01:16:52,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 1050 transitions. [2019-10-15 01:16:52,185 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 1050 transitions. Word has length 253 [2019-10-15 01:16:52,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:16:52,186 INFO L462 AbstractCegarLoop]: Abstraction has 790 states and 1050 transitions. [2019-10-15 01:16:52,186 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:16:52,187 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1050 transitions. [2019-10-15 01:16:52,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2019-10-15 01:16:52,192 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:16:52,192 INFO L380 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:16:52,192 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:16:52,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:16:52,193 INFO L82 PathProgramCache]: Analyzing trace with hash 548051965, now seen corresponding path program 1 times [2019-10-15 01:16:52,193 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:16:52,193 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170827797] [2019-10-15 01:16:52,194 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:16:52,197 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:16:52,197 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:16:52,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:16:52,398 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2019-10-15 01:16:52,399 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170827797] [2019-10-15 01:16:52,400 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:16:52,400 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:16:52,400 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415286853] [2019-10-15 01:16:52,401 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:16:52,401 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:16:52,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:16:52,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:16:52,402 INFO L87 Difference]: Start difference. First operand 790 states and 1050 transitions. Second operand 3 states. [2019-10-15 01:16:52,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:16:52,510 INFO L93 Difference]: Finished difference Result 1518 states and 2056 transitions. [2019-10-15 01:16:52,510 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:16:52,510 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 261 [2019-10-15 01:16:52,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:16:52,516 INFO L225 Difference]: With dead ends: 1518 [2019-10-15 01:16:52,517 INFO L226 Difference]: Without dead ends: 845 [2019-10-15 01:16:52,519 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:16:52,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 845 states. [2019-10-15 01:16:52,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 845 to 844. [2019-10-15 01:16:52,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 844 states. [2019-10-15 01:16:52,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 844 states and 1138 transitions. [2019-10-15 01:16:52,560 INFO L78 Accepts]: Start accepts. Automaton has 844 states and 1138 transitions. Word has length 261 [2019-10-15 01:16:52,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:16:52,561 INFO L462 AbstractCegarLoop]: Abstraction has 844 states and 1138 transitions. [2019-10-15 01:16:52,561 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:16:52,561 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states and 1138 transitions. [2019-10-15 01:16:52,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2019-10-15 01:16:52,565 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:16:52,565 INFO L380 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:16:52,566 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:16:52,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:16:52,566 INFO L82 PathProgramCache]: Analyzing trace with hash -1285741977, now seen corresponding path program 1 times [2019-10-15 01:16:52,567 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:16:52,567 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679583265] [2019-10-15 01:16:52,567 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:16:52,567 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:16:52,567 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:16:52,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:16:52,890 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2019-10-15 01:16:52,890 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679583265] [2019-10-15 01:16:52,890 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:16:52,891 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-10-15 01:16:52,891 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763622512] [2019-10-15 01:16:52,892 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-15 01:16:52,892 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:16:52,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-15 01:16:52,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2019-10-15 01:16:52,893 INFO L87 Difference]: Start difference. First operand 844 states and 1138 transitions. Second operand 11 states. [2019-10-15 01:17:04,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:17:04,525 INFO L93 Difference]: Finished difference Result 4616 states and 6640 transitions. [2019-10-15 01:17:04,526 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2019-10-15 01:17:04,527 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 262 [2019-10-15 01:17:04,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:17:04,557 INFO L225 Difference]: With dead ends: 4616 [2019-10-15 01:17:04,557 INFO L226 Difference]: Without dead ends: 4191 [2019-10-15 01:17:04,563 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 327 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=325, Invalid=1007, Unknown=0, NotChecked=0, Total=1332 [2019-10-15 01:17:04,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4191 states. [2019-10-15 01:17:04,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4191 to 4170. [2019-10-15 01:17:04,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4170 states. [2019-10-15 01:17:04,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4170 states to 4170 states and 5674 transitions. [2019-10-15 01:17:04,813 INFO L78 Accepts]: Start accepts. Automaton has 4170 states and 5674 transitions. Word has length 262 [2019-10-15 01:17:04,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:17:04,816 INFO L462 AbstractCegarLoop]: Abstraction has 4170 states and 5674 transitions. [2019-10-15 01:17:04,817 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-15 01:17:04,817 INFO L276 IsEmpty]: Start isEmpty. Operand 4170 states and 5674 transitions. [2019-10-15 01:17:04,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2019-10-15 01:17:04,822 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:17:04,822 INFO L380 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:17:04,823 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:17:04,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:17:04,823 INFO L82 PathProgramCache]: Analyzing trace with hash 1735445867, now seen corresponding path program 1 times [2019-10-15 01:17:04,823 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:17:04,824 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265032998] [2019-10-15 01:17:04,824 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:17:04,824 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:17:04,824 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:17:04,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:17:05,413 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2019-10-15 01:17:05,414 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265032998] [2019-10-15 01:17:05,414 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:17:05,414 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2019-10-15 01:17:05,414 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144070239] [2019-10-15 01:17:05,415 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2019-10-15 01:17:05,415 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:17:05,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2019-10-15 01:17:05,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=421, Unknown=0, NotChecked=0, Total=462 [2019-10-15 01:17:05,416 INFO L87 Difference]: Start difference. First operand 4170 states and 5674 transitions. Second operand 22 states. [2019-10-15 01:17:06,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:17:06,304 INFO L93 Difference]: Finished difference Result 7667 states and 10406 transitions. [2019-10-15 01:17:06,304 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-10-15 01:17:06,305 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 263 [2019-10-15 01:17:06,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:17:06,342 INFO L225 Difference]: With dead ends: 7667 [2019-10-15 01:17:06,342 INFO L226 Difference]: Without dead ends: 4280 [2019-10-15 01:17:06,358 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=77, Invalid=853, Unknown=0, NotChecked=0, Total=930 [2019-10-15 01:17:06,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4280 states. [2019-10-15 01:17:06,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4280 to 4280. [2019-10-15 01:17:06,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4280 states. [2019-10-15 01:17:06,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4280 states to 4280 states and 5819 transitions. [2019-10-15 01:17:06,591 INFO L78 Accepts]: Start accepts. Automaton has 4280 states and 5819 transitions. Word has length 263 [2019-10-15 01:17:06,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:17:06,593 INFO L462 AbstractCegarLoop]: Abstraction has 4280 states and 5819 transitions. [2019-10-15 01:17:06,593 INFO L463 AbstractCegarLoop]: Interpolant automaton has 22 states. [2019-10-15 01:17:06,593 INFO L276 IsEmpty]: Start isEmpty. Operand 4280 states and 5819 transitions. [2019-10-15 01:17:06,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2019-10-15 01:17:06,600 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:17:06,601 INFO L380 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:17:06,602 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:17:06,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:17:06,602 INFO L82 PathProgramCache]: Analyzing trace with hash 2129296523, now seen corresponding path program 1 times [2019-10-15 01:17:06,603 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:17:06,603 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562750703] [2019-10-15 01:17:06,603 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:17:06,604 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:17:06,604 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:17:06,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:17:07,265 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2019-10-15 01:17:07,265 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562750703] [2019-10-15 01:17:07,266 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:17:07,266 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2019-10-15 01:17:07,266 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773494329] [2019-10-15 01:17:07,267 INFO L442 AbstractCegarLoop]: Interpolant automaton has 24 states [2019-10-15 01:17:07,267 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:17:07,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2019-10-15 01:17:07,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=507, Unknown=0, NotChecked=0, Total=552 [2019-10-15 01:17:07,268 INFO L87 Difference]: Start difference. First operand 4280 states and 5819 transitions. Second operand 24 states. [2019-10-15 01:17:08,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:17:08,241 INFO L93 Difference]: Finished difference Result 8259 states and 11369 transitions. [2019-10-15 01:17:08,242 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2019-10-15 01:17:08,242 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 272 [2019-10-15 01:17:08,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:17:08,277 INFO L225 Difference]: With dead ends: 8259 [2019-10-15 01:17:08,277 INFO L226 Difference]: Without dead ends: 4481 [2019-10-15 01:17:08,291 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=85, Invalid=1037, Unknown=0, NotChecked=0, Total=1122 [2019-10-15 01:17:08,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4481 states. [2019-10-15 01:17:08,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4481 to 4481. [2019-10-15 01:17:08,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4481 states. [2019-10-15 01:17:08,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4481 states to 4481 states and 6163 transitions. [2019-10-15 01:17:08,501 INFO L78 Accepts]: Start accepts. Automaton has 4481 states and 6163 transitions. Word has length 272 [2019-10-15 01:17:08,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:17:08,503 INFO L462 AbstractCegarLoop]: Abstraction has 4481 states and 6163 transitions. [2019-10-15 01:17:08,503 INFO L463 AbstractCegarLoop]: Interpolant automaton has 24 states. [2019-10-15 01:17:08,503 INFO L276 IsEmpty]: Start isEmpty. Operand 4481 states and 6163 transitions. [2019-10-15 01:17:08,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2019-10-15 01:17:08,508 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:17:08,509 INFO L380 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:17:08,509 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:17:08,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:17:08,510 INFO L82 PathProgramCache]: Analyzing trace with hash -948496045, now seen corresponding path program 1 times [2019-10-15 01:17:08,510 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:17:08,510 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465455324] [2019-10-15 01:17:08,511 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:17:08,511 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:17:08,511 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:17:08,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:17:08,725 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2019-10-15 01:17:08,726 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465455324] [2019-10-15 01:17:08,729 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:17:08,730 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:17:08,730 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409508180] [2019-10-15 01:17:08,731 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:17:08,732 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:17:08,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:17:08,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:17:08,732 INFO L87 Difference]: Start difference. First operand 4481 states and 6163 transitions. Second operand 3 states. [2019-10-15 01:17:08,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:17:08,998 INFO L93 Difference]: Finished difference Result 12756 states and 18477 transitions. [2019-10-15 01:17:08,998 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:17:08,998 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 276 [2019-10-15 01:17:08,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:17:09,059 INFO L225 Difference]: With dead ends: 12756 [2019-10-15 01:17:09,059 INFO L226 Difference]: Without dead ends: 8321 [2019-10-15 01:17:09,082 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:17:09,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8321 states. [2019-10-15 01:17:09,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8321 to 8309. [2019-10-15 01:17:09,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8309 states. [2019-10-15 01:17:09,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8309 states to 8309 states and 11728 transitions. [2019-10-15 01:17:09,967 INFO L78 Accepts]: Start accepts. Automaton has 8309 states and 11728 transitions. Word has length 276 [2019-10-15 01:17:09,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:17:09,968 INFO L462 AbstractCegarLoop]: Abstraction has 8309 states and 11728 transitions. [2019-10-15 01:17:09,968 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:17:09,968 INFO L276 IsEmpty]: Start isEmpty. Operand 8309 states and 11728 transitions. [2019-10-15 01:17:09,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2019-10-15 01:17:09,975 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:17:09,976 INFO L380 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:17:09,976 INFO L410 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:17:09,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:17:09,977 INFO L82 PathProgramCache]: Analyzing trace with hash 1353980626, now seen corresponding path program 1 times [2019-10-15 01:17:09,977 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:17:09,977 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028271217] [2019-10-15 01:17:09,977 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:17:09,977 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:17:09,978 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:17:10,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:17:10,216 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2019-10-15 01:17:10,216 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028271217] [2019-10-15 01:17:10,217 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:17:10,217 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:17:10,217 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748190407] [2019-10-15 01:17:10,217 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:17:10,218 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:17:10,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:17:10,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:17:10,218 INFO L87 Difference]: Start difference. First operand 8309 states and 11728 transitions. Second operand 6 states. [2019-10-15 01:17:11,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:17:11,447 INFO L93 Difference]: Finished difference Result 24174 states and 35225 transitions. [2019-10-15 01:17:11,448 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:17:11,448 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 272 [2019-10-15 01:17:11,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:17:11,536 INFO L225 Difference]: With dead ends: 24174 [2019-10-15 01:17:11,536 INFO L226 Difference]: Without dead ends: 16700 [2019-10-15 01:17:11,574 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-15 01:17:11,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16700 states. [2019-10-15 01:17:12,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16700 to 16571. [2019-10-15 01:17:12,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16571 states. [2019-10-15 01:17:12,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16571 states to 16571 states and 23687 transitions. [2019-10-15 01:17:12,287 INFO L78 Accepts]: Start accepts. Automaton has 16571 states and 23687 transitions. Word has length 272 [2019-10-15 01:17:12,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:17:12,288 INFO L462 AbstractCegarLoop]: Abstraction has 16571 states and 23687 transitions. [2019-10-15 01:17:12,288 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:17:12,288 INFO L276 IsEmpty]: Start isEmpty. Operand 16571 states and 23687 transitions. [2019-10-15 01:17:12,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2019-10-15 01:17:12,300 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:17:12,300 INFO L380 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:17:12,300 INFO L410 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:17:12,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:17:12,301 INFO L82 PathProgramCache]: Analyzing trace with hash -684946487, now seen corresponding path program 1 times [2019-10-15 01:17:12,301 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:17:12,301 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228871620] [2019-10-15 01:17:12,302 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:17:12,302 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:17:12,302 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:17:12,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:17:12,626 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2019-10-15 01:17:12,626 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228871620] [2019-10-15 01:17:12,626 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:17:12,627 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2019-10-15 01:17:12,627 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322348750] [2019-10-15 01:17:12,627 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-10-15 01:17:12,628 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:17:12,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-10-15 01:17:12,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2019-10-15 01:17:12,628 INFO L87 Difference]: Start difference. First operand 16571 states and 23687 transitions. Second operand 15 states. [2019-10-15 01:17:13,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:17:13,596 INFO L93 Difference]: Finished difference Result 23380 states and 33019 transitions. [2019-10-15 01:17:13,596 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-15 01:17:13,596 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 273 [2019-10-15 01:17:13,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:17:13,675 INFO L225 Difference]: With dead ends: 23380 [2019-10-15 01:17:13,676 INFO L226 Difference]: Without dead ends: 16679 [2019-10-15 01:17:13,701 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=87, Invalid=615, Unknown=0, NotChecked=0, Total=702 [2019-10-15 01:17:13,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16679 states. [2019-10-15 01:17:14,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16679 to 16577. [2019-10-15 01:17:14,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16577 states. [2019-10-15 01:17:14,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16577 states to 16577 states and 23699 transitions. [2019-10-15 01:17:14,316 INFO L78 Accepts]: Start accepts. Automaton has 16577 states and 23699 transitions. Word has length 273 [2019-10-15 01:17:14,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:17:14,317 INFO L462 AbstractCegarLoop]: Abstraction has 16577 states and 23699 transitions. [2019-10-15 01:17:14,317 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-10-15 01:17:14,317 INFO L276 IsEmpty]: Start isEmpty. Operand 16577 states and 23699 transitions. [2019-10-15 01:17:14,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2019-10-15 01:17:14,330 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:17:14,330 INFO L380 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:17:14,330 INFO L410 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:17:14,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:17:14,331 INFO L82 PathProgramCache]: Analyzing trace with hash -98170368, now seen corresponding path program 1 times [2019-10-15 01:17:14,331 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:17:14,331 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142458445] [2019-10-15 01:17:14,332 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:17:14,332 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:17:14,332 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:17:14,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:17:14,722 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2019-10-15 01:17:14,723 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142458445] [2019-10-15 01:17:14,723 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:17:14,723 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-15 01:17:14,724 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106295381] [2019-10-15 01:17:14,724 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-15 01:17:14,725 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:17:14,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-15 01:17:14,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-15 01:17:14,725 INFO L87 Difference]: Start difference. First operand 16577 states and 23699 transitions. Second operand 5 states.