java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/email_spec11_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 23:07:31,398 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 23:07:31,400 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 23:07:31,421 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 23:07:31,421 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 23:07:31,423 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 23:07:31,425 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 23:07:31,435 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 23:07:31,440 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 23:07:31,443 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 23:07:31,444 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 23:07:31,445 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 23:07:31,446 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 23:07:31,448 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 23:07:31,450 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 23:07:31,452 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 23:07:31,454 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 23:07:31,455 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 23:07:31,456 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 23:07:31,462 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 23:07:31,467 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 23:07:31,470 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 23:07:31,474 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 23:07:31,474 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 23:07:31,477 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 23:07:31,477 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 23:07:31,478 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 23:07:31,479 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 23:07:31,481 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 23:07:31,482 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 23:07:31,482 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 23:07:31,483 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 23:07:31,484 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 23:07:31,484 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 23:07:31,486 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 23:07:31,486 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 23:07:31,487 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 23:07:31,487 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 23:07:31,487 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 23:07:31,488 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 23:07:31,489 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 23:07:31,490 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 23:07:31,514 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 23:07:31,515 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 23:07:31,516 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 23:07:31,516 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 23:07:31,516 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 23:07:31,516 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 23:07:31,517 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 23:07:31,517 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 23:07:31,517 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 23:07:31,518 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 23:07:31,518 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 23:07:31,518 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 23:07:31,518 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 23:07:31,519 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 23:07:31,519 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 23:07:31,519 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 23:07:31,519 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 23:07:31,519 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 23:07:31,519 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 23:07:31,520 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 23:07:31,520 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 23:07:31,520 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:07:31,523 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 23:07:31,524 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 23:07:31,524 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 23:07:31,524 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 23:07:31,524 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 23:07:31,524 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 23:07:31,525 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-13 23:07:31,817 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 23:07:31,831 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 23:07:31,834 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 23:07:31,836 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 23:07:31,836 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 23:07:31,837 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec11_productSimulator.cil.c [2019-10-13 23:07:31,916 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6326c8913/ef0ebab3ecef441ea8b00e0ca80706d2/FLAG6594b48d6 [2019-10-13 23:07:32,617 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 23:07:32,618 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec11_productSimulator.cil.c [2019-10-13 23:07:32,652 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6326c8913/ef0ebab3ecef441ea8b00e0ca80706d2/FLAG6594b48d6 [2019-10-13 23:07:32,759 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6326c8913/ef0ebab3ecef441ea8b00e0ca80706d2 [2019-10-13 23:07:32,768 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 23:07:32,770 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 23:07:32,772 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 23:07:32,772 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 23:07:32,776 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 23:07:32,777 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:07:32" (1/1) ... [2019-10-13 23:07:32,779 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@458207bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:07:32, skipping insertion in model container [2019-10-13 23:07:32,780 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:07:32" (1/1) ... [2019-10-13 23:07:32,786 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 23:07:32,869 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 23:07:33,655 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:07:33,674 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 23:07:33,801 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:07:33,989 INFO L192 MainTranslator]: Completed translation [2019-10-13 23:07:33,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:07:33 WrapperNode [2019-10-13 23:07:33,990 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 23:07:33,992 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 23:07:33,992 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 23:07:33,992 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 23:07:34,010 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:07:33" (1/1) ... [2019-10-13 23:07:34,011 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:07:33" (1/1) ... [2019-10-13 23:07:34,070 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:07:33" (1/1) ... [2019-10-13 23:07:34,070 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:07:33" (1/1) ... [2019-10-13 23:07:34,147 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:07:33" (1/1) ... [2019-10-13 23:07:34,177 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:07:33" (1/1) ... [2019-10-13 23:07:34,199 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:07:33" (1/1) ... [2019-10-13 23:07:34,220 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 23:07:34,221 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 23:07:34,221 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 23:07:34,221 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 23:07:34,222 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:07:33" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:07:34,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 23:07:34,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 23:07:34,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 23:07:34,300 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 23:07:34,301 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 23:07:34,301 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 23:07:34,301 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 23:07:34,301 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-13 23:07:34,302 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Encrypt [2019-10-13 23:07:34,303 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Encrypt [2019-10-13 23:07:34,303 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__AddressBook [2019-10-13 23:07:34,304 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__AddressBook [2019-10-13 23:07:34,304 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Sign [2019-10-13 23:07:34,304 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Sign [2019-10-13 23:07:34,304 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-13 23:07:34,305 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-13 23:07:34,307 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__AutoResponder [2019-10-13 23:07:34,307 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__AutoResponder [2019-10-13 23:07:34,307 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Forward [2019-10-13 23:07:34,308 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Forward [2019-10-13 23:07:34,308 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Verify [2019-10-13 23:07:34,308 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Verify [2019-10-13 23:07:34,308 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Decrypt [2019-10-13 23:07:34,308 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Decrypt [2019-10-13 23:07:34,309 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-13 23:07:34,309 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-13 23:07:34,309 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-13 23:07:34,309 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-13 23:07:34,309 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-13 23:07:34,309 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-13 23:07:34,309 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-13 23:07:34,310 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-13 23:07:34,310 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-13 23:07:34,310 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-13 23:07:34,310 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-13 23:07:34,310 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-13 23:07:34,310 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-13 23:07:34,310 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-13 23:07:34,311 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__before__Keys [2019-10-13 23:07:34,311 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__role__Keys [2019-10-13 23:07:34,311 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-13 23:07:34,311 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__before__Keys [2019-10-13 23:07:34,311 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__role__Keys [2019-10-13 23:07:34,311 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-13 23:07:34,312 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__before__Keys [2019-10-13 23:07:34,312 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__role__Keys [2019-10-13 23:07:34,312 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-13 23:07:34,312 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-13 23:07:34,312 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-13 23:07:34,312 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 23:07:34,312 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 23:07:34,313 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-13 23:07:34,313 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-13 23:07:34,313 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-13 23:07:34,313 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-13 23:07:34,313 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-13 23:07:34,313 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-13 23:07:34,313 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-13 23:07:34,314 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-13 23:07:34,314 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-13 23:07:34,314 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-13 23:07:34,314 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-13 23:07:34,314 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-13 23:07:34,315 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 23:07:34,315 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 23:07:34,315 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 23:07:34,315 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 23:07:34,315 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 23:07:34,315 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 23:07:34,315 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Encrypt [2019-10-13 23:07:34,316 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Encrypt [2019-10-13 23:07:34,316 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Sign [2019-10-13 23:07:34,316 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Sign [2019-10-13 23:07:34,316 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Verify [2019-10-13 23:07:34,316 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Verify [2019-10-13 23:07:34,316 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-13 23:07:34,317 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__before__Encrypt [2019-10-13 23:07:34,317 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__role__Encrypt [2019-10-13 23:07:34,317 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-13 23:07:34,317 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-13 23:07:34,317 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-13 23:07:34,317 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-13 23:07:34,318 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-13 23:07:34,318 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-13 23:07:34,318 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-13 23:07:34,318 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-13 23:07:34,318 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-13 23:07:34,318 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-13 23:07:34,319 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-13 23:07:34,319 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-13 23:07:34,319 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-13 23:07:34,319 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-13 23:07:34,319 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-13 23:07:34,319 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-13 23:07:34,319 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-13 23:07:34,320 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-13 23:07:34,320 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-13 23:07:34,320 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-13 23:07:34,320 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-13 23:07:34,320 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-13 23:07:34,320 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-13 23:07:34,320 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-13 23:07:34,321 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-13 23:07:34,321 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 23:07:34,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 23:07:34,321 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-13 23:07:34,321 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-13 23:07:34,321 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-13 23:07:34,321 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-13 23:07:34,322 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-13 23:07:34,322 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-13 23:07:34,322 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-13 23:07:34,322 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-13 23:07:34,322 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-13 23:07:34,322 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-13 23:07:34,322 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-13 23:07:34,323 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-13 23:07:34,323 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-13 23:07:34,323 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-13 23:07:34,323 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-13 23:07:34,323 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-13 23:07:34,323 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-13 23:07:34,324 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-13 23:07:34,324 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-13 23:07:34,324 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-13 23:07:34,324 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-13 23:07:34,324 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-13 23:07:34,324 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-13 23:07:34,324 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-13 23:07:34,325 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-13 23:07:34,325 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-13 23:07:34,325 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-13 23:07:34,325 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-13 23:07:34,325 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-13 23:07:34,326 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-10-13 23:07:34,326 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 23:07:34,326 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 23:07:34,326 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 23:07:34,326 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 23:07:34,326 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 23:07:34,327 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 23:07:34,327 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 23:07:34,327 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-13 23:07:34,327 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-13 23:07:34,327 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-13 23:07:34,327 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-13 23:07:34,327 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-13 23:07:34,328 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-13 23:07:34,328 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-13 23:07:34,328 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-13 23:07:34,328 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-13 23:07:34,328 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-13 23:07:34,328 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-13 23:07:34,329 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-13 23:07:34,329 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-13 23:07:34,329 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-13 23:07:34,329 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-13 23:07:34,329 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-13 23:07:34,329 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-13 23:07:34,329 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-13 23:07:34,329 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-13 23:07:34,330 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-13 23:07:34,330 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-13 23:07:34,330 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-13 23:07:34,330 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-13 23:07:34,330 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-13 23:07:34,330 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-13 23:07:34,330 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-13 23:07:34,331 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-13 23:07:34,331 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-13 23:07:34,331 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-13 23:07:34,331 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-13 23:07:34,331 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-13 23:07:34,331 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-13 23:07:34,331 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-13 23:07:34,331 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-13 23:07:34,332 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-13 23:07:34,332 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-13 23:07:34,332 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-13 23:07:34,332 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-13 23:07:34,332 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-13 23:07:34,332 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-13 23:07:34,332 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-13 23:07:34,333 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-13 23:07:34,333 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-13 23:07:34,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 23:07:34,333 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Encrypt [2019-10-13 23:07:34,333 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Encrypt [2019-10-13 23:07:34,333 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__AddressBook [2019-10-13 23:07:34,333 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__AddressBook [2019-10-13 23:07:34,333 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Sign [2019-10-13 23:07:34,334 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Sign [2019-10-13 23:07:34,334 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__AutoResponder [2019-10-13 23:07:34,334 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__AutoResponder [2019-10-13 23:07:34,334 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Forward [2019-10-13 23:07:34,334 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Forward [2019-10-13 23:07:34,334 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Verify [2019-10-13 23:07:34,334 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Verify [2019-10-13 23:07:34,335 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Decrypt [2019-10-13 23:07:34,335 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Decrypt [2019-10-13 23:07:34,335 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-10-13 23:07:34,335 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-13 23:07:34,335 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-13 23:07:34,335 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-13 23:07:34,335 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-13 23:07:34,336 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-13 23:07:34,336 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-13 23:07:34,336 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-13 23:07:34,336 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-13 23:07:34,336 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-13 23:07:34,336 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-13 23:07:34,336 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-13 23:07:34,336 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-13 23:07:34,337 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-13 23:07:34,337 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-13 23:07:34,337 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-13 23:07:34,337 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-13 23:07:34,337 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 23:07:34,337 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 23:07:34,337 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 23:07:34,338 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-13 23:07:34,338 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-13 23:07:34,338 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-13 23:07:34,338 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-13 23:07:34,338 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-13 23:07:34,338 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-13 23:07:34,338 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-13 23:07:34,338 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-13 23:07:34,339 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-13 23:07:34,339 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-13 23:07:34,339 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-13 23:07:34,339 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-13 23:07:34,339 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__before__Keys [2019-10-13 23:07:34,339 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__role__Keys [2019-10-13 23:07:34,339 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__before__Keys [2019-10-13 23:07:34,340 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__role__Keys [2019-10-13 23:07:34,340 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__before__Keys [2019-10-13 23:07:34,340 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__role__Keys [2019-10-13 23:07:34,340 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 23:07:34,340 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 23:07:34,340 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 23:07:34,340 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 23:07:34,341 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 23:07:34,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 23:07:34,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 23:07:34,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 23:07:34,341 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 23:07:34,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 23:07:34,341 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 23:07:34,341 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 23:07:34,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 23:07:34,342 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 23:07:34,342 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 23:07:34,342 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 23:07:34,342 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-13 23:07:34,342 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-13 23:07:34,342 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-13 23:07:34,343 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Encrypt [2019-10-13 23:07:34,343 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Encrypt [2019-10-13 23:07:34,343 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Sign [2019-10-13 23:07:34,343 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Sign [2019-10-13 23:07:34,343 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Verify [2019-10-13 23:07:34,343 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Verify [2019-10-13 23:07:34,343 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__before__Encrypt [2019-10-13 23:07:34,344 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__role__Encrypt [2019-10-13 23:07:34,344 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-13 23:07:34,344 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-13 23:07:34,344 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-13 23:07:34,344 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-13 23:07:34,344 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-13 23:07:34,344 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-13 23:07:34,345 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-13 23:07:34,345 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 23:07:34,345 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-13 23:07:34,345 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-13 23:07:34,345 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-13 23:07:34,345 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-13 23:07:34,345 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-13 23:07:34,346 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-13 23:07:34,346 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-13 23:07:34,346 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-13 23:07:34,346 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-13 23:07:34,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 23:07:34,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 23:07:34,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 23:07:38,954 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 23:07:38,955 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-13 23:07:38,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:07:38 BoogieIcfgContainer [2019-10-13 23:07:38,957 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 23:07:38,958 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 23:07:38,958 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 23:07:38,961 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 23:07:38,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:07:32" (1/3) ... [2019-10-13 23:07:38,962 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6054f3d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:07:38, skipping insertion in model container [2019-10-13 23:07:38,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:07:33" (2/3) ... [2019-10-13 23:07:38,963 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6054f3d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:07:38, skipping insertion in model container [2019-10-13 23:07:38,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:07:38" (3/3) ... [2019-10-13 23:07:38,965 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec11_productSimulator.cil.c [2019-10-13 23:07:38,975 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 23:07:38,984 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 23:07:38,996 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 23:07:39,026 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 23:07:39,027 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 23:07:39,027 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 23:07:39,027 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 23:07:39,027 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 23:07:39,027 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 23:07:39,027 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 23:07:39,028 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 23:07:39,059 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states. [2019-10-13 23:07:39,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2019-10-13 23:07:39,089 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:07:39,090 INFO L380 BasicCegarLoop]: trace histogram [8, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:07:39,094 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:07:39,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:07:39,101 INFO L82 PathProgramCache]: Analyzing trace with hash -203471052, now seen corresponding path program 1 times [2019-10-13 23:07:39,111 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:07:39,112 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450227385] [2019-10-13 23:07:39,112 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:07:39,112 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:07:39,112 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:07:39,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:07:39,926 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-10-13 23:07:39,927 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450227385] [2019-10-13 23:07:39,928 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:07:39,928 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 23:07:39,929 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648685689] [2019-10-13 23:07:39,934 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 23:07:39,935 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:07:39,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 23:07:39,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 23:07:39,952 INFO L87 Difference]: Start difference. First operand 604 states. Second operand 6 states. [2019-10-13 23:07:40,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:07:40,185 INFO L93 Difference]: Finished difference Result 1130 states and 1428 transitions. [2019-10-13 23:07:40,189 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 23:07:40,191 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 183 [2019-10-13 23:07:40,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:07:40,225 INFO L225 Difference]: With dead ends: 1130 [2019-10-13 23:07:40,225 INFO L226 Difference]: Without dead ends: 577 [2019-10-13 23:07:40,238 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 [2019-10-13 23:07:40,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2019-10-13 23:07:40,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 577. [2019-10-13 23:07:40,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 577 states. [2019-10-13 23:07:40,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 710 transitions. [2019-10-13 23:07:40,353 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 710 transitions. Word has length 183 [2019-10-13 23:07:40,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:07:40,356 INFO L462 AbstractCegarLoop]: Abstraction has 577 states and 710 transitions. [2019-10-13 23:07:40,356 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 23:07:40,356 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 710 transitions. [2019-10-13 23:07:40,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2019-10-13 23:07:40,365 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:07:40,365 INFO L380 BasicCegarLoop]: trace histogram [8, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:07:40,365 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:07:40,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:07:40,366 INFO L82 PathProgramCache]: Analyzing trace with hash 629682748, now seen corresponding path program 1 times [2019-10-13 23:07:40,366 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:07:40,366 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822008146] [2019-10-13 23:07:40,367 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:07:40,367 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:07:40,367 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:07:40,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:07:40,667 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-10-13 23:07:40,667 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822008146] [2019-10-13 23:07:40,668 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:07:40,668 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:07:40,668 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285666706] [2019-10-13 23:07:40,674 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:07:40,675 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:07:40,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:07:40,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:07:40,676 INFO L87 Difference]: Start difference. First operand 577 states and 710 transitions. Second operand 3 states. [2019-10-13 23:07:40,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:07:40,726 INFO L93 Difference]: Finished difference Result 908 states and 1103 transitions. [2019-10-13 23:07:40,727 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:07:40,727 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 189 [2019-10-13 23:07:40,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:07:40,740 INFO L225 Difference]: With dead ends: 908 [2019-10-13 23:07:40,740 INFO L226 Difference]: Without dead ends: 579 [2019-10-13 23:07:40,755 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:07:40,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 579 states. [2019-10-13 23:07:40,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 579 to 579. [2019-10-13 23:07:40,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 579 states. [2019-10-13 23:07:40,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 712 transitions. [2019-10-13 23:07:40,826 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 712 transitions. Word has length 189 [2019-10-13 23:07:40,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:07:40,830 INFO L462 AbstractCegarLoop]: Abstraction has 579 states and 712 transitions. [2019-10-13 23:07:40,830 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:07:40,830 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 712 transitions. [2019-10-13 23:07:40,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2019-10-13 23:07:40,835 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:07:40,836 INFO L380 BasicCegarLoop]: trace histogram [8, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:07:40,836 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:07:40,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:07:40,837 INFO L82 PathProgramCache]: Analyzing trace with hash -1430204685, now seen corresponding path program 1 times [2019-10-13 23:07:40,837 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:07:40,837 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483918841] [2019-10-13 23:07:40,837 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:07:40,837 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:07:40,838 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:07:41,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:07:41,201 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-10-13 23:07:41,202 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483918841] [2019-10-13 23:07:41,202 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:07:41,202 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 23:07:41,202 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677625376] [2019-10-13 23:07:41,203 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 23:07:41,203 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:07:41,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 23:07:41,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 23:07:41,204 INFO L87 Difference]: Start difference. First operand 579 states and 712 transitions. Second operand 4 states. [2019-10-13 23:07:42,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:07:42,720 INFO L93 Difference]: Finished difference Result 1638 states and 2082 transitions. [2019-10-13 23:07:42,721 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 23:07:42,721 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 195 [2019-10-13 23:07:42,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:07:42,730 INFO L225 Difference]: With dead ends: 1638 [2019-10-13 23:07:42,730 INFO L226 Difference]: Without dead ends: 1092 [2019-10-13 23:07:42,733 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 [2019-10-13 23:07:42,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1092 states. [2019-10-13 23:07:42,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1092 to 1089. [2019-10-13 23:07:42,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1089 states. [2019-10-13 23:07:42,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1089 states to 1089 states and 1323 transitions. [2019-10-13 23:07:42,835 INFO L78 Accepts]: Start accepts. Automaton has 1089 states and 1323 transitions. Word has length 195 [2019-10-13 23:07:42,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:07:42,836 INFO L462 AbstractCegarLoop]: Abstraction has 1089 states and 1323 transitions. [2019-10-13 23:07:42,836 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 23:07:42,836 INFO L276 IsEmpty]: Start isEmpty. Operand 1089 states and 1323 transitions. [2019-10-13 23:07:42,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2019-10-13 23:07:42,842 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:07:42,842 INFO L380 BasicCegarLoop]: trace histogram [8, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:07:42,843 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:07:42,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:07:42,843 INFO L82 PathProgramCache]: Analyzing trace with hash 481009143, now seen corresponding path program 1 times [2019-10-13 23:07:42,844 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:07:42,844 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623292001] [2019-10-13 23:07:42,844 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:07:42,844 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:07:42,845 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:07:42,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:07:43,150 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-10-13 23:07:43,151 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623292001] [2019-10-13 23:07:43,151 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:07:43,152 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-10-13 23:07:43,152 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684896212] [2019-10-13 23:07:43,153 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-13 23:07:43,153 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:07:43,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-13 23:07:43,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2019-10-13 23:07:43,154 INFO L87 Difference]: Start difference. First operand 1089 states and 1323 transitions. Second operand 11 states. [2019-10-13 23:07:43,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:07:43,402 INFO L93 Difference]: Finished difference Result 1092 states and 1325 transitions. [2019-10-13 23:07:43,404 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-13 23:07:43,404 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 189 [2019-10-13 23:07:43,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:07:43,415 INFO L225 Difference]: With dead ends: 1092 [2019-10-13 23:07:43,415 INFO L226 Difference]: Without dead ends: 577 [2019-10-13 23:07:43,421 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 [2019-10-13 23:07:43,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2019-10-13 23:07:43,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 577. [2019-10-13 23:07:43,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 577 states. [2019-10-13 23:07:43,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 701 transitions. [2019-10-13 23:07:43,461 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 701 transitions. Word has length 189 [2019-10-13 23:07:43,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:07:43,462 INFO L462 AbstractCegarLoop]: Abstraction has 577 states and 701 transitions. [2019-10-13 23:07:43,462 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-13 23:07:43,462 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 701 transitions. [2019-10-13 23:07:43,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2019-10-13 23:07:43,468 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:07:43,469 INFO L380 BasicCegarLoop]: trace histogram [8, 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] [2019-10-13 23:07:43,469 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:07:43,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:07:43,470 INFO L82 PathProgramCache]: Analyzing trace with hash 1467473154, now seen corresponding path program 1 times [2019-10-13 23:07:43,470 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:07:43,472 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493184652] [2019-10-13 23:07:43,474 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:07:43,474 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:07:43,474 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:07:43,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:07:43,693 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2019-10-13 23:07:43,694 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493184652] [2019-10-13 23:07:43,694 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:07:43,695 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:07:43,695 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820844054] [2019-10-13 23:07:43,696 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:07:43,696 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:07:43,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:07:43,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:07:43,697 INFO L87 Difference]: Start difference. First operand 577 states and 701 transitions. Second operand 3 states. [2019-10-13 23:07:43,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:07:43,804 INFO L93 Difference]: Finished difference Result 1117 states and 1371 transitions. [2019-10-13 23:07:43,805 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:07:43,805 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 208 [2019-10-13 23:07:43,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:07:43,809 INFO L225 Difference]: With dead ends: 1117 [2019-10-13 23:07:43,810 INFO L226 Difference]: Without dead ends: 576 [2019-10-13 23:07:43,812 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:07:43,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 576 states. [2019-10-13 23:07:43,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 576 to 576. [2019-10-13 23:07:43,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 576 states. [2019-10-13 23:07:43,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 697 transitions. [2019-10-13 23:07:43,842 INFO L78 Accepts]: Start accepts. Automaton has 576 states and 697 transitions. Word has length 208 [2019-10-13 23:07:43,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:07:43,843 INFO L462 AbstractCegarLoop]: Abstraction has 576 states and 697 transitions. [2019-10-13 23:07:43,843 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:07:43,843 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 697 transitions. [2019-10-13 23:07:43,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2019-10-13 23:07:43,847 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:07:43,848 INFO L380 BasicCegarLoop]: trace histogram [8, 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, 1, 1, 1, 1, 1, 1] [2019-10-13 23:07:43,848 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:07:43,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:07:43,848 INFO L82 PathProgramCache]: Analyzing trace with hash 1926582331, now seen corresponding path program 1 times [2019-10-13 23:07:43,849 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:07:43,849 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425883839] [2019-10-13 23:07:43,849 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:07:43,849 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:07:43,849 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:07:43,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:07:44,007 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2019-10-13 23:07:44,008 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425883839] [2019-10-13 23:07:44,008 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:07:44,008 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 23:07:44,008 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665754017] [2019-10-13 23:07:44,009 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 23:07:44,009 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:07:44,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 23:07:44,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 23:07:44,010 INFO L87 Difference]: Start difference. First operand 576 states and 697 transitions. Second operand 4 states. [2019-10-13 23:07:44,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:07:44,799 INFO L93 Difference]: Finished difference Result 1091 states and 1319 transitions. [2019-10-13 23:07:44,801 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 23:07:44,801 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 216 [2019-10-13 23:07:44,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:07:44,804 INFO L225 Difference]: With dead ends: 1091 [2019-10-13 23:07:44,804 INFO L226 Difference]: Without dead ends: 575 [2019-10-13 23:07:44,807 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 [2019-10-13 23:07:44,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 575 states. [2019-10-13 23:07:44,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 575 to 575. [2019-10-13 23:07:44,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 575 states. [2019-10-13 23:07:44,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 575 states and 681 transitions. [2019-10-13 23:07:44,839 INFO L78 Accepts]: Start accepts. Automaton has 575 states and 681 transitions. Word has length 216 [2019-10-13 23:07:44,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:07:44,840 INFO L462 AbstractCegarLoop]: Abstraction has 575 states and 681 transitions. [2019-10-13 23:07:44,840 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 23:07:44,840 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 681 transitions. [2019-10-13 23:07:44,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2019-10-13 23:07:44,844 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:07:44,845 INFO L380 BasicCegarLoop]: trace histogram [8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:07:44,845 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:07:44,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:07:44,845 INFO L82 PathProgramCache]: Analyzing trace with hash -1216748536, now seen corresponding path program 1 times [2019-10-13 23:07:44,846 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:07:44,846 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6696632] [2019-10-13 23:07:44,846 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:07:44,846 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:07:44,846 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:07:44,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:07:45,030 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2019-10-13 23:07:45,030 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6696632] [2019-10-13 23:07:45,030 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:07:45,031 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:07:45,031 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782027949] [2019-10-13 23:07:45,032 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:07:45,032 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:07:45,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:07:45,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:07:45,032 INFO L87 Difference]: Start difference. First operand 575 states and 681 transitions. Second operand 3 states. [2019-10-13 23:07:45,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:07:45,074 INFO L93 Difference]: Finished difference Result 1096 states and 1330 transitions. [2019-10-13 23:07:45,075 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:07:45,075 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 238 [2019-10-13 23:07:45,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:07:45,079 INFO L225 Difference]: With dead ends: 1096 [2019-10-13 23:07:45,080 INFO L226 Difference]: Without dead ends: 629 [2019-10-13 23:07:45,081 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:07:45,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 629 states. [2019-10-13 23:07:45,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 629 to 628. [2019-10-13 23:07:45,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 628 states. [2019-10-13 23:07:45,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 628 states and 768 transitions. [2019-10-13 23:07:45,114 INFO L78 Accepts]: Start accepts. Automaton has 628 states and 768 transitions. Word has length 238 [2019-10-13 23:07:45,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:07:45,115 INFO L462 AbstractCegarLoop]: Abstraction has 628 states and 768 transitions. [2019-10-13 23:07:45,115 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:07:45,116 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 768 transitions. [2019-10-13 23:07:45,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2019-10-13 23:07:45,120 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:07:45,121 INFO L380 BasicCegarLoop]: trace histogram [8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:07:45,121 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:07:45,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:07:45,122 INFO L82 PathProgramCache]: Analyzing trace with hash 1768521822, now seen corresponding path program 1 times [2019-10-13 23:07:45,122 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:07:45,122 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755853160] [2019-10-13 23:07:45,122 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:07:45,122 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:07:45,123 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:07:45,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:07:45,473 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2019-10-13 23:07:45,473 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755853160] [2019-10-13 23:07:45,473 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:07:45,474 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 23:07:45,474 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386311443] [2019-10-13 23:07:45,475 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 23:07:45,475 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:07:45,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 23:07:45,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-10-13 23:07:45,476 INFO L87 Difference]: Start difference. First operand 628 states and 768 transitions. Second operand 8 states. [2019-10-13 23:07:46,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:07:46,890 INFO L93 Difference]: Finished difference Result 1147 states and 1435 transitions. [2019-10-13 23:07:46,891 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 23:07:46,891 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 239 [2019-10-13 23:07:46,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:07:46,896 INFO L225 Difference]: With dead ends: 1147 [2019-10-13 23:07:46,896 INFO L226 Difference]: Without dead ends: 627 [2019-10-13 23:07:46,898 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2019-10-13 23:07:46,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states. [2019-10-13 23:07:46,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 627. [2019-10-13 23:07:46,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 627 states. [2019-10-13 23:07:46,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 627 states and 763 transitions. [2019-10-13 23:07:46,933 INFO L78 Accepts]: Start accepts. Automaton has 627 states and 763 transitions. Word has length 239 [2019-10-13 23:07:46,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:07:46,934 INFO L462 AbstractCegarLoop]: Abstraction has 627 states and 763 transitions. [2019-10-13 23:07:46,934 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 23:07:46,934 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 763 transitions. [2019-10-13 23:07:46,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2019-10-13 23:07:46,939 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:07:46,940 INFO L380 BasicCegarLoop]: trace histogram [8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:07:46,940 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:07:46,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:07:46,941 INFO L82 PathProgramCache]: Analyzing trace with hash 1306618465, now seen corresponding path program 1 times [2019-10-13 23:07:46,941 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:07:46,941 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831159443] [2019-10-13 23:07:46,941 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:07:46,941 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:07:46,941 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:07:47,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:07:48,210 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2019-10-13 23:07:48,211 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831159443] [2019-10-13 23:07:48,211 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:07:48,211 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [42] imperfect sequences [] total 42 [2019-10-13 23:07:48,211 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584177651] [2019-10-13 23:07:48,212 INFO L442 AbstractCegarLoop]: Interpolant automaton has 42 states [2019-10-13 23:07:48,212 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:07:48,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2019-10-13 23:07:48,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=1611, Unknown=0, NotChecked=0, Total=1722 [2019-10-13 23:07:48,213 INFO L87 Difference]: Start difference. First operand 627 states and 763 transitions. Second operand 42 states. [2019-10-13 23:08:07,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:08:07,115 INFO L93 Difference]: Finished difference Result 1360 states and 1665 transitions. [2019-10-13 23:08:07,116 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2019-10-13 23:08:07,116 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 245 [2019-10-13 23:08:07,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:08:07,123 INFO L225 Difference]: With dead ends: 1360 [2019-10-13 23:08:07,123 INFO L226 Difference]: Without dead ends: 1047 [2019-10-13 23:08:07,126 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 667 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=255, Invalid=4437, Unknown=0, NotChecked=0, Total=4692 [2019-10-13 23:08:07,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1047 states. [2019-10-13 23:08:07,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1047 to 1032. [2019-10-13 23:08:07,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1032 states. [2019-10-13 23:08:07,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 1032 states and 1259 transitions. [2019-10-13 23:08:07,187 INFO L78 Accepts]: Start accepts. Automaton has 1032 states and 1259 transitions. Word has length 245 [2019-10-13 23:08:07,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:08:07,188 INFO L462 AbstractCegarLoop]: Abstraction has 1032 states and 1259 transitions. [2019-10-13 23:08:07,188 INFO L463 AbstractCegarLoop]: Interpolant automaton has 42 states. [2019-10-13 23:08:07,188 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1259 transitions. [2019-10-13 23:08:07,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2019-10-13 23:08:07,195 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:08:07,195 INFO L380 BasicCegarLoop]: trace histogram [8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:08:07,196 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:08:07,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:08:07,196 INFO L82 PathProgramCache]: Analyzing trace with hash -1116505641, now seen corresponding path program 1 times [2019-10-13 23:08:07,196 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:08:07,197 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297914805] [2019-10-13 23:08:07,197 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:08:07,197 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:08:07,197 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:08:07,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:08:08,451 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2019-10-13 23:08:08,452 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297914805] [2019-10-13 23:08:08,452 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:08:08,452 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [44] imperfect sequences [] total 44 [2019-10-13 23:08:08,452 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631778706] [2019-10-13 23:08:08,453 INFO L442 AbstractCegarLoop]: Interpolant automaton has 44 states [2019-10-13 23:08:08,453 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:08:08,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2019-10-13 23:08:08,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1775, Unknown=0, NotChecked=0, Total=1892 [2019-10-13 23:08:08,455 INFO L87 Difference]: Start difference. First operand 1032 states and 1259 transitions. Second operand 44 states.