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_spec11_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:12:59,111 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:12:59,114 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:12:59,133 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 01:12:59,134 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 01:12:59,136 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 01:12:59,138 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 01:12:59,148 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 01:12:59,152 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 01:12:59,156 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 01:12:59,157 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 01:12:59,159 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 01:12:59,160 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:12:59,161 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:12:59,164 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:12:59,165 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:12:59,167 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:12:59,169 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:12:59,171 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:12:59,176 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:12:59,181 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:12:59,185 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:12:59,188 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:12:59,189 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:12:59,191 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 01:12:59,191 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 01:12:59,191 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 01:12:59,193 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 01:12:59,194 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 01:12:59,196 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 01:12:59,196 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 01:12:59,197 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 01:12:59,198 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 01:12:59,198 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 01:12:59,200 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 01:12:59,200 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 01:12:59,201 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 01:12:59,201 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 01:12:59,201 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:12:59,202 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:12:59,203 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:12:59,204 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 01:12:59,233 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:12:59,233 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:12:59,237 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:12:59,237 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:12:59,238 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:12:59,238 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:12:59,238 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:12:59,238 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:12:59,238 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:12:59,239 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:12:59,239 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:12:59,239 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:12:59,239 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:12:59,239 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:12:59,240 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:12:59,240 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:12:59,240 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:12:59,240 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:12:59,240 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:12:59,241 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:12:59,241 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:12:59,241 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:12:59,241 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:12:59,242 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:12:59,242 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:12:59,242 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:12:59,242 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:12:59,242 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:12:59,243 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 01:12:59,554 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:12:59,572 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:12:59,577 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:12:59,579 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:12:59,579 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:12:59,580 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec11_productSimulator.cil.c [2019-10-15 01:12:59,664 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a878c2554/e7abbab9ce2c4cf88eb14084756299f3/FLAG9a62ddfdc [2019-10-15 01:13:00,339 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:13:00,340 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec11_productSimulator.cil.c [2019-10-15 01:13:00,364 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a878c2554/e7abbab9ce2c4cf88eb14084756299f3/FLAG9a62ddfdc [2019-10-15 01:13:00,559 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a878c2554/e7abbab9ce2c4cf88eb14084756299f3 [2019-10-15 01:13:00,574 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:13:00,576 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:13:00,577 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:13:00,577 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:13:00,583 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:13:00,584 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:13:00" (1/1) ... [2019-10-15 01:13:00,590 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@342f7e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:13:00, skipping insertion in model container [2019-10-15 01:13:00,590 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:13:00" (1/1) ... [2019-10-15 01:13:00,598 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:13:00,684 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:13:01,498 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:13:01,520 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:13:01,675 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:13:01,889 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:13:01,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:13:01 WrapperNode [2019-10-15 01:13:01,891 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:13:01,892 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:13:01,893 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:13:01,893 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:13:01,913 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:13:01" (1/1) ... [2019-10-15 01:13:01,913 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:13:01" (1/1) ... [2019-10-15 01:13:01,983 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:13:01" (1/1) ... [2019-10-15 01:13:01,984 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:13:01" (1/1) ... [2019-10-15 01:13:02,084 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:13:01" (1/1) ... [2019-10-15 01:13:02,114 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:13:01" (1/1) ... [2019-10-15 01:13:02,147 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:13:01" (1/1) ... [2019-10-15 01:13:02,175 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:13:02,176 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:13:02,176 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:13:02,176 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:13:02,178 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:13:01" (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 01:13:02,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:13:02,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:13:02,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 01:13:02,265 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 01:13:02,265 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 01:13:02,266 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 01:13:02,267 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 01:13:02,267 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-15 01:13:02,267 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Encrypt [2019-10-15 01:13:02,268 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Encrypt [2019-10-15 01:13:02,268 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__AddressBook [2019-10-15 01:13:02,268 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__AddressBook [2019-10-15 01:13:02,269 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Sign [2019-10-15 01:13:02,270 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Sign [2019-10-15 01:13:02,270 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-15 01:13:02,270 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-15 01:13:02,273 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__AutoResponder [2019-10-15 01:13:02,273 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__AutoResponder [2019-10-15 01:13:02,274 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Forward [2019-10-15 01:13:02,274 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Forward [2019-10-15 01:13:02,274 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Verify [2019-10-15 01:13:02,275 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Verify [2019-10-15 01:13:02,275 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Decrypt [2019-10-15 01:13:02,275 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Decrypt [2019-10-15 01:13:02,275 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-15 01:13:02,276 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-15 01:13:02,276 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-15 01:13:02,276 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-15 01:13:02,276 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-15 01:13:02,277 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-15 01:13:02,277 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-15 01:13:02,277 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-15 01:13:02,278 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-15 01:13:02,278 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-15 01:13:02,278 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-15 01:13:02,279 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-15 01:13:02,279 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-15 01:13:02,279 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-15 01:13:02,279 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__before__Keys [2019-10-15 01:13:02,280 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__role__Keys [2019-10-15 01:13:02,280 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-15 01:13:02,305 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__before__Keys [2019-10-15 01:13:02,305 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__role__Keys [2019-10-15 01:13:02,305 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-15 01:13:02,305 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__before__Keys [2019-10-15 01:13:02,305 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__role__Keys [2019-10-15 01:13:02,306 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-15 01:13:02,306 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-15 01:13:02,306 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-15 01:13:02,306 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 01:13:02,306 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:13:02,306 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-15 01:13:02,306 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-15 01:13:02,307 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-15 01:13:02,307 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-15 01:13:02,307 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-15 01:13:02,307 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-15 01:13:02,308 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-15 01:13:02,309 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-15 01:13:02,309 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-15 01:13:02,309 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-15 01:13:02,309 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-15 01:13:02,310 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-15 01:13:02,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 01:13:02,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 01:13:02,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 01:13:02,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 01:13:02,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 01:13:02,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 01:13:02,311 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Encrypt [2019-10-15 01:13:02,312 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Encrypt [2019-10-15 01:13:02,312 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Sign [2019-10-15 01:13:02,312 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Sign [2019-10-15 01:13:02,313 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Verify [2019-10-15 01:13:02,313 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Verify [2019-10-15 01:13:02,313 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-15 01:13:02,314 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__before__Encrypt [2019-10-15 01:13:02,314 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__role__Encrypt [2019-10-15 01:13:02,314 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-15 01:13:02,315 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-15 01:13:02,315 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-15 01:13:02,315 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-15 01:13:02,316 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-15 01:13:02,316 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-15 01:13:02,317 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-15 01:13:02,317 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-15 01:13:02,317 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-15 01:13:02,318 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-15 01:13:02,318 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-15 01:13:02,318 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-15 01:13:02,318 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-15 01:13:02,318 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-15 01:13:02,319 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-15 01:13:02,319 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-15 01:13:02,319 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-15 01:13:02,319 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-15 01:13:02,319 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-15 01:13:02,319 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-15 01:13:02,320 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-15 01:13:02,320 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-15 01:13:02,320 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-15 01:13:02,320 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-15 01:13:02,320 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-15 01:13:02,320 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 01:13:02,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 01:13:02,321 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-15 01:13:02,321 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-15 01:13:02,321 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-15 01:13:02,321 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-15 01:13:02,321 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-15 01:13:02,321 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-15 01:13:02,322 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-15 01:13:02,322 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-15 01:13:02,322 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-15 01:13:02,322 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-15 01:13:02,323 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-15 01:13:02,323 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-15 01:13:02,323 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-15 01:13:02,323 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-15 01:13:02,323 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-15 01:13:02,324 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-15 01:13:02,324 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-15 01:13:02,324 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-15 01:13:02,325 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-15 01:13:02,326 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-15 01:13:02,327 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-15 01:13:02,327 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-15 01:13:02,327 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-15 01:13:02,327 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-15 01:13:02,327 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-15 01:13:02,327 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-15 01:13:02,328 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-15 01:13:02,328 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-15 01:13:02,329 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-15 01:13:02,329 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-10-15 01:13:02,329 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:13:02,330 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 01:13:02,334 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 01:13:02,334 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 01:13:02,334 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 01:13:02,335 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 01:13:02,335 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 01:13:02,335 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-15 01:13:02,336 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-15 01:13:02,342 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-15 01:13:02,342 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-15 01:13:02,342 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-15 01:13:02,342 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-15 01:13:02,342 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-15 01:13:02,342 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-15 01:13:02,343 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-15 01:13:02,343 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-15 01:13:02,343 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-15 01:13:02,343 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-15 01:13:02,344 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-15 01:13:02,344 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-15 01:13:02,344 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-15 01:13:02,344 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-15 01:13:02,344 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-15 01:13:02,345 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-15 01:13:02,345 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-15 01:13:02,345 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-15 01:13:02,345 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-15 01:13:02,345 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-15 01:13:02,345 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-15 01:13:02,346 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-15 01:13:02,346 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-15 01:13:02,346 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-15 01:13:02,346 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-15 01:13:02,346 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-15 01:13:02,346 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-15 01:13:02,346 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-15 01:13:02,347 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-15 01:13:02,347 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-15 01:13:02,347 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-15 01:13:02,347 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-15 01:13:02,347 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-15 01:13:02,347 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-15 01:13:02,348 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-15 01:13:02,348 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-15 01:13:02,348 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-15 01:13:02,348 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-15 01:13:02,348 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-15 01:13:02,348 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-15 01:13:02,348 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-15 01:13:02,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 01:13:02,349 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Encrypt [2019-10-15 01:13:02,349 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Encrypt [2019-10-15 01:13:02,349 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__AddressBook [2019-10-15 01:13:02,349 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__AddressBook [2019-10-15 01:13:02,349 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Sign [2019-10-15 01:13:02,349 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Sign [2019-10-15 01:13:02,349 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__AutoResponder [2019-10-15 01:13:02,350 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__AutoResponder [2019-10-15 01:13:02,350 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Forward [2019-10-15 01:13:02,350 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Forward [2019-10-15 01:13:02,350 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Verify [2019-10-15 01:13:02,350 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Verify [2019-10-15 01:13:02,350 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Decrypt [2019-10-15 01:13:02,350 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Decrypt [2019-10-15 01:13:02,351 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-10-15 01:13:02,351 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-15 01:13:02,351 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-15 01:13:02,351 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-15 01:13:02,351 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-15 01:13:02,351 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-15 01:13:02,351 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-15 01:13:02,352 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-15 01:13:02,352 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-15 01:13:02,352 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-15 01:13:02,352 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-15 01:13:02,352 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-15 01:13:02,352 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-15 01:13:02,353 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-15 01:13:02,353 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-15 01:13:02,353 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-15 01:13:02,353 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-15 01:13:02,353 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 01:13:02,353 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 01:13:02,354 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:13:02,354 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-15 01:13:02,354 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-15 01:13:02,354 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-15 01:13:02,354 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-15 01:13:02,354 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-15 01:13:02,354 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-15 01:13:02,355 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-15 01:13:02,355 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-15 01:13:02,355 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-15 01:13:02,355 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-15 01:13:02,355 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-15 01:13:02,355 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-15 01:13:02,356 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__before__Keys [2019-10-15 01:13:02,356 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__role__Keys [2019-10-15 01:13:02,356 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__before__Keys [2019-10-15 01:13:02,356 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__role__Keys [2019-10-15 01:13:02,356 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__before__Keys [2019-10-15 01:13:02,356 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__role__Keys [2019-10-15 01:13:02,356 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 01:13:02,356 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 01:13:02,357 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 01:13:02,357 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 01:13:02,357 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 01:13:02,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 01:13:02,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 01:13:02,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 01:13:02,357 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 01:13:02,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 01:13:02,358 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 01:13:02,358 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 01:13:02,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 01:13:02,358 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 01:13:02,358 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 01:13:02,358 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 01:13:02,359 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-15 01:13:02,359 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-15 01:13:02,359 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-15 01:13:02,359 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Encrypt [2019-10-15 01:13:02,359 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Encrypt [2019-10-15 01:13:02,359 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Sign [2019-10-15 01:13:02,359 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Sign [2019-10-15 01:13:02,360 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Verify [2019-10-15 01:13:02,360 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Verify [2019-10-15 01:13:02,361 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__before__Encrypt [2019-10-15 01:13:02,365 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__role__Encrypt [2019-10-15 01:13:02,365 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-15 01:13:02,365 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-15 01:13:02,365 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-15 01:13:02,365 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-15 01:13:02,365 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-15 01:13:02,366 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-15 01:13:02,366 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-15 01:13:02,369 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 01:13:02,369 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-15 01:13:02,369 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-15 01:13:02,370 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-15 01:13:02,370 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-15 01:13:02,370 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-15 01:13:02,370 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-15 01:13:02,370 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-15 01:13:02,370 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-15 01:13:02,371 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-15 01:13:02,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:13:02,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 01:13:02,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:13:05,177 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:13:05,177 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-15 01:13:05,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:13:05 BoogieIcfgContainer [2019-10-15 01:13:05,179 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:13:05,180 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:13:05,181 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:13:05,184 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:13:05,184 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:13:00" (1/3) ... [2019-10-15 01:13:05,185 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e773623 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:13:05, skipping insertion in model container [2019-10-15 01:13:05,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:13:01" (2/3) ... [2019-10-15 01:13:05,185 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e773623 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:13:05, skipping insertion in model container [2019-10-15 01:13:05,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:13:05" (3/3) ... [2019-10-15 01:13:05,187 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec11_productSimulator.cil.c [2019-10-15 01:13:05,197 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:13:05,206 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 01:13:05,218 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 01:13:05,251 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:13:05,251 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:13:05,251 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:13:05,251 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:13:05,251 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:13:05,251 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:13:05,251 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:13:05,252 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:13:05,288 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states. [2019-10-15 01:13:05,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2019-10-15 01:13:05,321 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:13:05,323 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:13:05,325 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:13:05,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:13:05,333 INFO L82 PathProgramCache]: Analyzing trace with hash 557797844, now seen corresponding path program 1 times [2019-10-15 01:13:05,343 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:13:05,344 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723541120] [2019-10-15 01:13:05,344 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:13:05,344 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:13:05,344 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:13:05,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:13:06,185 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 01:13:06,186 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723541120] [2019-10-15 01:13:06,187 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:13:06,187 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:13:06,187 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596100624] [2019-10-15 01:13:06,193 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:13:06,195 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:13:06,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:13:06,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:13:06,214 INFO L87 Difference]: Start difference. First operand 811 states. Second operand 6 states. [2019-10-15 01:13:06,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:13:06,454 INFO L93 Difference]: Finished difference Result 1540 states and 2139 transitions. [2019-10-15 01:13:06,454 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 01:13:06,456 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 218 [2019-10-15 01:13:06,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:13:06,485 INFO L225 Difference]: With dead ends: 1540 [2019-10-15 01:13:06,486 INFO L226 Difference]: Without dead ends: 782 [2019-10-15 01:13:06,497 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 01:13:06,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 782 states. [2019-10-15 01:13:06,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 782 to 782. [2019-10-15 01:13:06,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 782 states. [2019-10-15 01:13:06,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 782 states and 1064 transitions. [2019-10-15 01:13:06,641 INFO L78 Accepts]: Start accepts. Automaton has 782 states and 1064 transitions. Word has length 218 [2019-10-15 01:13:06,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:13:06,650 INFO L462 AbstractCegarLoop]: Abstraction has 782 states and 1064 transitions. [2019-10-15 01:13:06,650 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:13:06,650 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 1064 transitions. [2019-10-15 01:13:06,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2019-10-15 01:13:06,665 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:13:06,665 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:13:06,666 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:13:06,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:13:06,667 INFO L82 PathProgramCache]: Analyzing trace with hash 1306979573, now seen corresponding path program 1 times [2019-10-15 01:13:06,667 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:13:06,667 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196125132] [2019-10-15 01:13:06,668 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:13:06,668 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:13:06,668 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:13:06,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:13:07,085 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 01:13:07,086 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196125132] [2019-10-15 01:13:07,086 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:13:07,086 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:13:07,087 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929216192] [2019-10-15 01:13:07,092 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:13:07,092 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:13:07,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:13:07,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:13:07,093 INFO L87 Difference]: Start difference. First operand 782 states and 1064 transitions. Second operand 3 states. [2019-10-15 01:13:07,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:13:07,204 INFO L93 Difference]: Finished difference Result 1217 states and 1629 transitions. [2019-10-15 01:13:07,204 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:13:07,204 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 224 [2019-10-15 01:13:07,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:13:07,215 INFO L225 Difference]: With dead ends: 1217 [2019-10-15 01:13:07,215 INFO L226 Difference]: Without dead ends: 785 [2019-10-15 01:13:07,218 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 01:13:07,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 785 states. [2019-10-15 01:13:07,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 785 to 784. [2019-10-15 01:13:07,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 784 states. [2019-10-15 01:13:07,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 784 states and 1066 transitions. [2019-10-15 01:13:07,275 INFO L78 Accepts]: Start accepts. Automaton has 784 states and 1066 transitions. Word has length 224 [2019-10-15 01:13:07,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:13:07,277 INFO L462 AbstractCegarLoop]: Abstraction has 784 states and 1066 transitions. [2019-10-15 01:13:07,277 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:13:07,277 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 1066 transitions. [2019-10-15 01:13:07,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2019-10-15 01:13:07,289 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:13:07,289 INFO L380 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:13:07,290 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:13:07,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:13:07,291 INFO L82 PathProgramCache]: Analyzing trace with hash -687172968, now seen corresponding path program 1 times [2019-10-15 01:13:07,292 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:13:07,292 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665549417] [2019-10-15 01:13:07,292 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:13:07,292 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:13:07,293 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:13:07,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:13:07,619 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2019-10-15 01:13:07,619 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665549417] [2019-10-15 01:13:07,619 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:13:07,619 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:13:07,620 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548905839] [2019-10-15 01:13:07,621 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:13:07,621 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:13:07,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:13:07,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:13:07,622 INFO L87 Difference]: Start difference. First operand 784 states and 1066 transitions. Second operand 6 states. [2019-10-15 01:13:08,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:13:08,644 INFO L93 Difference]: Finished difference Result 1880 states and 2570 transitions. [2019-10-15 01:13:08,644 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:13:08,644 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 231 [2019-10-15 01:13:08,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:13:08,654 INFO L225 Difference]: With dead ends: 1880 [2019-10-15 01:13:08,655 INFO L226 Difference]: Without dead ends: 1461 [2019-10-15 01:13:08,657 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 01:13:08,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1461 states. [2019-10-15 01:13:08,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1461 to 1452. [2019-10-15 01:13:08,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1452 states. [2019-10-15 01:13:08,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1452 states to 1452 states and 1992 transitions. [2019-10-15 01:13:08,722 INFO L78 Accepts]: Start accepts. Automaton has 1452 states and 1992 transitions. Word has length 231 [2019-10-15 01:13:08,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:13:08,724 INFO L462 AbstractCegarLoop]: Abstraction has 1452 states and 1992 transitions. [2019-10-15 01:13:08,724 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:13:08,724 INFO L276 IsEmpty]: Start isEmpty. Operand 1452 states and 1992 transitions. [2019-10-15 01:13:08,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2019-10-15 01:13:08,731 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:13:08,732 INFO L380 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:13:08,732 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:13:08,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:13:08,732 INFO L82 PathProgramCache]: Analyzing trace with hash 1966455232, now seen corresponding path program 1 times [2019-10-15 01:13:08,733 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:13:08,733 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492010265] [2019-10-15 01:13:08,733 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:13:08,733 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:13:08,733 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:13:08,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:13:09,045 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2019-10-15 01:13:09,046 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492010265] [2019-10-15 01:13:09,046 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:13:09,047 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:13:09,047 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202834543] [2019-10-15 01:13:09,047 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:13:09,048 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:13:09,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:13:09,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:13:09,049 INFO L87 Difference]: Start difference. First operand 1452 states and 1992 transitions. Second operand 6 states. [2019-10-15 01:13:10,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:13:10,121 INFO L93 Difference]: Finished difference Result 3646 states and 5006 transitions. [2019-10-15 01:13:10,121 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:13:10,121 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 232 [2019-10-15 01:13:10,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:13:10,143 INFO L225 Difference]: With dead ends: 3646 [2019-10-15 01:13:10,143 INFO L226 Difference]: Without dead ends: 2807 [2019-10-15 01:13:10,148 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 01:13:10,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2807 states. [2019-10-15 01:13:10,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2807 to 2788. [2019-10-15 01:13:10,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2788 states. [2019-10-15 01:13:10,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2788 states to 2788 states and 3846 transitions. [2019-10-15 01:13:10,325 INFO L78 Accepts]: Start accepts. Automaton has 2788 states and 3846 transitions. Word has length 232 [2019-10-15 01:13:10,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:13:10,326 INFO L462 AbstractCegarLoop]: Abstraction has 2788 states and 3846 transitions. [2019-10-15 01:13:10,326 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:13:10,326 INFO L276 IsEmpty]: Start isEmpty. Operand 2788 states and 3846 transitions. [2019-10-15 01:13:10,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2019-10-15 01:13:10,341 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:13:10,342 INFO L380 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:13:10,342 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:13:10,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:13:10,343 INFO L82 PathProgramCache]: Analyzing trace with hash -1625151980, now seen corresponding path program 1 times [2019-10-15 01:13:10,343 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:13:10,343 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242486062] [2019-10-15 01:13:10,344 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:13:10,344 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:13:10,344 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:13:10,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:13:10,598 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2019-10-15 01:13:10,599 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242486062] [2019-10-15 01:13:10,599 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:13:10,599 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 01:13:10,599 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229888583] [2019-10-15 01:13:10,601 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 01:13:10,601 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:13:10,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 01:13:10,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 01:13:10,602 INFO L87 Difference]: Start difference. First operand 2788 states and 3846 transitions. Second operand 6 states. [2019-10-15 01:13:11,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:13:11,819 INFO L93 Difference]: Finished difference Result 7178 states and 9882 transitions. [2019-10-15 01:13:11,820 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-15 01:13:11,820 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 233 [2019-10-15 01:13:11,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:13:11,863 INFO L225 Difference]: With dead ends: 7178 [2019-10-15 01:13:11,863 INFO L226 Difference]: Without dead ends: 5499 [2019-10-15 01:13:11,873 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 01:13:11,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5499 states. [2019-10-15 01:13:12,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5499 to 5460. [2019-10-15 01:13:12,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5460 states. [2019-10-15 01:13:12,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5460 states to 5460 states and 7558 transitions. [2019-10-15 01:13:12,316 INFO L78 Accepts]: Start accepts. Automaton has 5460 states and 7558 transitions. Word has length 233 [2019-10-15 01:13:12,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:13:12,317 INFO L462 AbstractCegarLoop]: Abstraction has 5460 states and 7558 transitions. [2019-10-15 01:13:12,317 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 01:13:12,317 INFO L276 IsEmpty]: Start isEmpty. Operand 5460 states and 7558 transitions. [2019-10-15 01:13:12,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2019-10-15 01:13:12,342 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:13:12,342 INFO L380 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:13:12,343 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:13:12,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:13:12,343 INFO L82 PathProgramCache]: Analyzing trace with hash -1613835853, now seen corresponding path program 1 times [2019-10-15 01:13:12,343 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:13:12,344 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058318565] [2019-10-15 01:13:12,344 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:13:12,344 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:13:12,348 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:13:12,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:13:12,704 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2019-10-15 01:13:12,704 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058318565] [2019-10-15 01:13:12,705 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:13:12,705 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 01:13:12,706 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311848520] [2019-10-15 01:13:12,706 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 01:13:12,706 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:13:12,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 01:13:12,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:13:12,707 INFO L87 Difference]: Start difference. First operand 5460 states and 7558 transitions. Second operand 4 states. [2019-10-15 01:13:14,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:13:14,436 INFO L93 Difference]: Finished difference Result 16028 states and 22808 transitions. [2019-10-15 01:13:14,436 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 01:13:14,436 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 233 [2019-10-15 01:13:14,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:13:14,518 INFO L225 Difference]: With dead ends: 16028 [2019-10-15 01:13:14,518 INFO L226 Difference]: Without dead ends: 10605 [2019-10-15 01:13:14,550 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 01:13:14,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10605 states. [2019-10-15 01:13:15,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10605 to 10602. [2019-10-15 01:13:15,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10602 states. [2019-10-15 01:13:15,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10602 states to 10602 states and 14619 transitions. [2019-10-15 01:13:15,187 INFO L78 Accepts]: Start accepts. Automaton has 10602 states and 14619 transitions. Word has length 233 [2019-10-15 01:13:15,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:13:15,188 INFO L462 AbstractCegarLoop]: Abstraction has 10602 states and 14619 transitions. [2019-10-15 01:13:15,188 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 01:13:15,188 INFO L276 IsEmpty]: Start isEmpty. Operand 10602 states and 14619 transitions. [2019-10-15 01:13:15,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2019-10-15 01:13:15,218 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:13:15,218 INFO L380 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:13:15,219 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:13:15,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:13:15,219 INFO L82 PathProgramCache]: Analyzing trace with hash -1490798491, now seen corresponding path program 1 times [2019-10-15 01:13:15,219 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:13:15,220 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368357393] [2019-10-15 01:13:15,220 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:13:15,220 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:13:15,220 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:13:15,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:13:15,482 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2019-10-15 01:13:15,483 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368357393] [2019-10-15 01:13:15,483 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:13:15,483 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-10-15 01:13:15,484 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020113351] [2019-10-15 01:13:15,484 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-15 01:13:15,485 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:13:15,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-15 01:13:15,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2019-10-15 01:13:15,485 INFO L87 Difference]: Start difference. First operand 10602 states and 14619 transitions. Second operand 11 states. [2019-10-15 01:13:15,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:13:15,849 INFO L93 Difference]: Finished difference Result 10605 states and 14621 transitions. [2019-10-15 01:13:15,849 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-15 01:13:15,849 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 226 [2019-10-15 01:13:15,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:13:15,882 INFO L225 Difference]: With dead ends: 10605 [2019-10-15 01:13:15,882 INFO L226 Difference]: Without dead ends: 5431 [2019-10-15 01:13:15,902 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2019-10-15 01:13:15,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5431 states. [2019-10-15 01:13:16,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5431 to 5431. [2019-10-15 01:13:16,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5431 states. [2019-10-15 01:13:16,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5431 states to 5431 states and 7478 transitions. [2019-10-15 01:13:16,184 INFO L78 Accepts]: Start accepts. Automaton has 5431 states and 7478 transitions. Word has length 226 [2019-10-15 01:13:16,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:13:16,185 INFO L462 AbstractCegarLoop]: Abstraction has 5431 states and 7478 transitions. [2019-10-15 01:13:16,185 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-15 01:13:16,185 INFO L276 IsEmpty]: Start isEmpty. Operand 5431 states and 7478 transitions. [2019-10-15 01:13:16,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2019-10-15 01:13:16,204 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:13:16,204 INFO L380 BasicCegarLoop]: trace histogram [8, 8, 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] [2019-10-15 01:13:16,205 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:13:16,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:13:16,205 INFO L82 PathProgramCache]: Analyzing trace with hash 1852933994, now seen corresponding path program 1 times [2019-10-15 01:13:16,205 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:13:16,206 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848785956] [2019-10-15 01:13:16,206 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:13:16,206 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:13:16,206 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:13:16,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:13:16,367 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2019-10-15 01:13:16,367 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848785956] [2019-10-15 01:13:16,368 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:13:16,368 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:13:16,368 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089400345] [2019-10-15 01:13:16,369 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:13:16,369 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:13:16,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:13:16,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:13:16,370 INFO L87 Difference]: Start difference. First operand 5431 states and 7478 transitions. Second operand 3 states. [2019-10-15 01:13:16,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:13:16,715 INFO L93 Difference]: Finished difference Result 10813 states and 15004 transitions. [2019-10-15 01:13:16,715 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:13:16,716 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 251 [2019-10-15 01:13:16,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:13:16,743 INFO L225 Difference]: With dead ends: 10813 [2019-10-15 01:13:16,744 INFO L226 Difference]: Without dead ends: 5423 [2019-10-15 01:13:16,763 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 01:13:16,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5423 states. [2019-10-15 01:13:16,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5423 to 5423. [2019-10-15 01:13:16,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5423 states. [2019-10-15 01:13:16,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5423 states to 5423 states and 7453 transitions. [2019-10-15 01:13:16,998 INFO L78 Accepts]: Start accepts. Automaton has 5423 states and 7453 transitions. Word has length 251 [2019-10-15 01:13:16,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:13:16,999 INFO L462 AbstractCegarLoop]: Abstraction has 5423 states and 7453 transitions. [2019-10-15 01:13:16,999 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:13:16,999 INFO L276 IsEmpty]: Start isEmpty. Operand 5423 states and 7453 transitions. [2019-10-15 01:13:17,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2019-10-15 01:13:17,023 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:13:17,023 INFO L380 BasicCegarLoop]: trace histogram [8, 8, 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] [2019-10-15 01:13:17,023 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:13:17,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:13:17,024 INFO L82 PathProgramCache]: Analyzing trace with hash -1057348410, now seen corresponding path program 1 times [2019-10-15 01:13:17,024 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:13:17,024 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161396333] [2019-10-15 01:13:17,025 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:13:17,025 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:13:17,025 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:13:17,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:13:17,300 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2019-10-15 01:13:17,300 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161396333] [2019-10-15 01:13:17,303 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:13:17,304 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 01:13:17,304 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193353794] [2019-10-15 01:13:17,305 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 01:13:17,305 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:13:17,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 01:13:17,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 01:13:17,307 INFO L87 Difference]: Start difference. First operand 5423 states and 7453 transitions. Second operand 4 states. [2019-10-15 01:13:18,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:13:18,123 INFO L93 Difference]: Finished difference Result 10780 states and 14826 transitions. [2019-10-15 01:13:18,124 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 01:13:18,124 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 261 [2019-10-15 01:13:18,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:13:18,161 INFO L225 Difference]: With dead ends: 10780 [2019-10-15 01:13:18,161 INFO L226 Difference]: Without dead ends: 5423 [2019-10-15 01:13:18,180 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 01:13:18,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5423 states. [2019-10-15 01:13:18,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5423 to 5423. [2019-10-15 01:13:18,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5423 states. [2019-10-15 01:13:18,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5423 states to 5423 states and 7382 transitions. [2019-10-15 01:13:18,413 INFO L78 Accepts]: Start accepts. Automaton has 5423 states and 7382 transitions. Word has length 261 [2019-10-15 01:13:18,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:13:18,414 INFO L462 AbstractCegarLoop]: Abstraction has 5423 states and 7382 transitions. [2019-10-15 01:13:18,414 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 01:13:18,414 INFO L276 IsEmpty]: Start isEmpty. Operand 5423 states and 7382 transitions. [2019-10-15 01:13:18,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2019-10-15 01:13:18,434 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:13:18,434 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:13:18,434 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:13:18,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:13:18,435 INFO L82 PathProgramCache]: Analyzing trace with hash -456151255, now seen corresponding path program 1 times [2019-10-15 01:13:18,435 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:13:18,435 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048661373] [2019-10-15 01:13:18,436 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:13:18,436 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:13:18,436 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:13:18,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:13:18,709 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 01:13:18,710 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048661373] [2019-10-15 01:13:18,710 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:13:18,710 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:13:18,710 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521124358] [2019-10-15 01:13:18,711 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:13:18,711 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:13:18,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:13:18,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:13:18,712 INFO L87 Difference]: Start difference. First operand 5423 states and 7382 transitions. Second operand 3 states. [2019-10-15 01:13:18,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:13:18,882 INFO L93 Difference]: Finished difference Result 11166 states and 15360 transitions. [2019-10-15 01:13:18,882 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:13:18,883 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 289 [2019-10-15 01:13:18,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:13:18,907 INFO L225 Difference]: With dead ends: 11166 [2019-10-15 01:13:18,907 INFO L226 Difference]: Without dead ends: 5863 [2019-10-15 01:13:18,923 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 01:13:18,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5863 states. [2019-10-15 01:13:19,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5863 to 5855. [2019-10-15 01:13:19,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5855 states. [2019-10-15 01:13:19,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5855 states to 5855 states and 8098 transitions. [2019-10-15 01:13:19,154 INFO L78 Accepts]: Start accepts. Automaton has 5855 states and 8098 transitions. Word has length 289 [2019-10-15 01:13:19,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:13:19,154 INFO L462 AbstractCegarLoop]: Abstraction has 5855 states and 8098 transitions. [2019-10-15 01:13:19,155 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:13:19,155 INFO L276 IsEmpty]: Start isEmpty. Operand 5855 states and 8098 transitions. [2019-10-15 01:13:19,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2019-10-15 01:13:19,177 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:13:19,177 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:13:19,177 INFO L410 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:13:19,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:13:19,178 INFO L82 PathProgramCache]: Analyzing trace with hash -300635247, now seen corresponding path program 1 times [2019-10-15 01:13:19,178 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:13:19,178 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063539057] [2019-10-15 01:13:19,182 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:13:19,182 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:13:19,182 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:13:19,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:13:19,405 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 01:13:19,406 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063539057] [2019-10-15 01:13:19,406 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:13:19,406 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-15 01:13:19,406 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368076185] [2019-10-15 01:13:19,407 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 01:13:19,408 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:13:19,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 01:13:19,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-10-15 01:13:19,408 INFO L87 Difference]: Start difference. First operand 5855 states and 8098 transitions. Second operand 8 states. [2019-10-15 01:13:21,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:13:21,138 INFO L93 Difference]: Finished difference Result 11582 states and 16220 transitions. [2019-10-15 01:13:21,138 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 01:13:21,138 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 290 [2019-10-15 01:13:21,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:13:21,161 INFO L225 Difference]: With dead ends: 11582 [2019-10-15 01:13:21,162 INFO L226 Difference]: Without dead ends: 5847 [2019-10-15 01:13:21,178 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2019-10-15 01:13:21,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5847 states. [2019-10-15 01:13:21,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5847 to 5847. [2019-10-15 01:13:21,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5847 states. [2019-10-15 01:13:21,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5847 states to 5847 states and 8058 transitions. [2019-10-15 01:13:21,410 INFO L78 Accepts]: Start accepts. Automaton has 5847 states and 8058 transitions. Word has length 290 [2019-10-15 01:13:21,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:13:21,411 INFO L462 AbstractCegarLoop]: Abstraction has 5847 states and 8058 transitions. [2019-10-15 01:13:21,411 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 01:13:21,411 INFO L276 IsEmpty]: Start isEmpty. Operand 5847 states and 8058 transitions. [2019-10-15 01:13:21,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2019-10-15 01:13:21,430 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:13:21,430 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, 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 01:13:21,430 INFO L410 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:13:21,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:13:21,431 INFO L82 PathProgramCache]: Analyzing trace with hash 908844211, now seen corresponding path program 1 times [2019-10-15 01:13:21,431 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:13:21,431 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625027483] [2019-10-15 01:13:21,432 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:13:21,432 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:13:21,432 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:13:21,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:13:21,994 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 01:13:21,995 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625027483] [2019-10-15 01:13:21,995 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:13:21,995 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2019-10-15 01:13:21,995 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632906801] [2019-10-15 01:13:21,996 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2019-10-15 01:13:21,996 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:13:21,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2019-10-15 01:13:21,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=414, Unknown=0, NotChecked=0, Total=462 [2019-10-15 01:13:21,997 INFO L87 Difference]: Start difference. First operand 5847 states and 8058 transitions. Second operand 22 states. [2019-10-15 01:13:29,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:13:29,919 INFO L93 Difference]: Finished difference Result 22403 states and 31038 transitions. [2019-10-15 01:13:29,920 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2019-10-15 01:13:29,920 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 296 [2019-10-15 01:13:29,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:13:30,004 INFO L225 Difference]: With dead ends: 22403 [2019-10-15 01:13:30,005 INFO L226 Difference]: Without dead ends: 19092 [2019-10-15 01:13:30,021 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 998 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=345, Invalid=3815, Unknown=0, NotChecked=0, Total=4160 [2019-10-15 01:13:30,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19092 states. [2019-10-15 01:13:31,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19092 to 18859. [2019-10-15 01:13:31,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18859 states. [2019-10-15 01:13:31,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18859 states to 18859 states and 26074 transitions. [2019-10-15 01:13:31,312 INFO L78 Accepts]: Start accepts. Automaton has 18859 states and 26074 transitions. Word has length 296 [2019-10-15 01:13:31,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:13:31,313 INFO L462 AbstractCegarLoop]: Abstraction has 18859 states and 26074 transitions. [2019-10-15 01:13:31,313 INFO L463 AbstractCegarLoop]: Interpolant automaton has 22 states. [2019-10-15 01:13:31,314 INFO L276 IsEmpty]: Start isEmpty. Operand 18859 states and 26074 transitions. [2019-10-15 01:13:31,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2019-10-15 01:13:31,374 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:13:31,375 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, 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 01:13:31,375 INFO L410 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:13:31,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:13:31,376 INFO L82 PathProgramCache]: Analyzing trace with hash -1608744116, now seen corresponding path program 1 times [2019-10-15 01:13:31,376 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:13:31,377 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289535081] [2019-10-15 01:13:31,377 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:13:31,377 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:13:31,378 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY