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 0.1.24-13a467a-m [2019-10-15 03:12:08,004 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 03:12:08,007 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 03:12:08,025 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 03:12:08,026 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 03:12:08,028 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 03:12:08,030 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 03:12:08,039 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 03:12:08,044 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 03:12:08,047 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 03:12:08,048 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 03:12:08,050 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 03:12:08,050 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 03:12:08,052 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 03:12:08,054 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 03:12:08,055 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 03:12:08,057 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 03:12:08,058 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 03:12:08,059 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 03:12:08,064 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 03:12:08,068 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 03:12:08,071 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 03:12:08,073 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 03:12:08,074 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 03:12:08,076 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 03:12:08,076 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 03:12:08,077 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 03:12:08,079 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 03:12:08,080 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 03:12:08,081 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 03:12:08,081 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 03:12:08,083 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 03:12:08,084 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 03:12:08,084 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 03:12:08,086 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 03:12:08,086 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 03:12:08,087 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 03:12:08,087 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 03:12:08,087 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 03:12:08,088 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 03:12:08,089 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 03:12:08,090 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 03:12:08,125 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 03:12:08,126 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 03:12:08,127 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 03:12:08,127 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 03:12:08,127 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 03:12:08,128 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 03:12:08,128 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 03:12:08,128 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 03:12:08,128 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 03:12:08,128 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 03:12:08,129 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 03:12:08,129 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 03:12:08,129 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 03:12:08,129 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 03:12:08,129 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 03:12:08,129 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 03:12:08,130 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 03:12:08,130 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 03:12:08,130 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 03:12:08,130 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 03:12:08,131 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 03:12:08,131 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:12:08,131 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 03:12:08,131 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 03:12:08,131 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 03:12:08,132 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 03:12:08,132 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 03:12:08,132 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 03:12:08,132 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 [2019-10-15 03:12:08,403 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 03:12:08,420 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 03:12:08,424 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 03:12:08,426 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 03:12:08,426 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 03:12:08,427 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec11_productSimulator.cil.c [2019-10-15 03:12:08,502 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2381fbf4d/26642c0ab063499fba6dfc37378ee89b/FLAG3c11fdf4c [2019-10-15 03:12:09,218 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 03:12:09,219 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec11_productSimulator.cil.c [2019-10-15 03:12:09,261 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2381fbf4d/26642c0ab063499fba6dfc37378ee89b/FLAG3c11fdf4c [2019-10-15 03:12:09,400 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2381fbf4d/26642c0ab063499fba6dfc37378ee89b [2019-10-15 03:12:09,411 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 03:12:09,413 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 03:12:09,414 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 03:12:09,414 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 03:12:09,418 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 03:12:09,419 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:12:09" (1/1) ... [2019-10-15 03:12:09,424 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41d3d42d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:12:09, skipping insertion in model container [2019-10-15 03:12:09,424 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:12:09" (1/1) ... [2019-10-15 03:12:09,433 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 03:12:09,524 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 03:12:10,209 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:12:10,235 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 03:12:10,491 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:12:10,683 INFO L192 MainTranslator]: Completed translation [2019-10-15 03:12:10,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:12:10 WrapperNode [2019-10-15 03:12:10,684 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 03:12:10,685 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 03:12:10,685 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 03:12:10,685 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 03:12:10,700 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:12:10" (1/1) ... [2019-10-15 03:12:10,701 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:12:10" (1/1) ... [2019-10-15 03:12:10,754 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:12:10" (1/1) ... [2019-10-15 03:12:10,755 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:12:10" (1/1) ... [2019-10-15 03:12:10,819 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:12:10" (1/1) ... [2019-10-15 03:12:10,855 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:12:10" (1/1) ... [2019-10-15 03:12:10,889 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:12:10" (1/1) ... [2019-10-15 03:12:10,933 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 03:12:10,933 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 03:12:10,934 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 03:12:10,934 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 03:12:10,935 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:12:10" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:12:11,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 03:12:11,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 03:12:11,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 03:12:11,041 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 03:12:11,041 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 03:12:11,042 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 03:12:11,043 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 03:12:11,043 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-15 03:12:11,043 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Encrypt [2019-10-15 03:12:11,044 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Encrypt [2019-10-15 03:12:11,044 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__AddressBook [2019-10-15 03:12:11,045 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__AddressBook [2019-10-15 03:12:11,045 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Sign [2019-10-15 03:12:11,045 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Sign [2019-10-15 03:12:11,045 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-15 03:12:11,045 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-15 03:12:11,048 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__AutoResponder [2019-10-15 03:12:11,048 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__AutoResponder [2019-10-15 03:12:11,048 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Forward [2019-10-15 03:12:11,048 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Forward [2019-10-15 03:12:11,049 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Verify [2019-10-15 03:12:11,049 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Verify [2019-10-15 03:12:11,049 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Decrypt [2019-10-15 03:12:11,049 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Decrypt [2019-10-15 03:12:11,049 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-15 03:12:11,050 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-15 03:12:11,050 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-15 03:12:11,050 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-15 03:12:11,050 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-15 03:12:11,050 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-15 03:12:11,050 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-15 03:12:11,051 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-15 03:12:11,051 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-15 03:12:11,051 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-15 03:12:11,051 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-15 03:12:11,051 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-15 03:12:11,052 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-15 03:12:11,052 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-15 03:12:11,052 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__before__Keys [2019-10-15 03:12:11,052 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__role__Keys [2019-10-15 03:12:11,052 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-15 03:12:11,052 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__before__Keys [2019-10-15 03:12:11,052 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__role__Keys [2019-10-15 03:12:11,053 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-15 03:12:11,053 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__before__Keys [2019-10-15 03:12:11,053 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__role__Keys [2019-10-15 03:12:11,053 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-15 03:12:11,053 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-15 03:12:11,053 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-15 03:12:11,054 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 03:12:11,054 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 03:12:11,054 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-15 03:12:11,054 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-15 03:12:11,054 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-15 03:12:11,054 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-15 03:12:11,054 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-15 03:12:11,055 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-15 03:12:11,055 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-15 03:12:11,055 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-15 03:12:11,055 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-15 03:12:11,056 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-15 03:12:11,056 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-15 03:12:11,056 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-15 03:12:11,056 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 03:12:11,056 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 03:12:11,057 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 03:12:11,057 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 03:12:11,057 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 03:12:11,057 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 03:12:11,057 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Encrypt [2019-10-15 03:12:11,057 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Encrypt [2019-10-15 03:12:11,058 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Sign [2019-10-15 03:12:11,058 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Sign [2019-10-15 03:12:11,059 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Verify [2019-10-15 03:12:11,059 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Verify [2019-10-15 03:12:11,059 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-15 03:12:11,060 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__before__Encrypt [2019-10-15 03:12:11,060 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__role__Encrypt [2019-10-15 03:12:11,060 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-15 03:12:11,060 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-15 03:12:11,061 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-15 03:12:11,061 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-15 03:12:11,061 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-15 03:12:11,062 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-15 03:12:11,062 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-15 03:12:11,062 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-15 03:12:11,063 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-15 03:12:11,063 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-15 03:12:11,063 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-15 03:12:11,063 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-15 03:12:11,063 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-15 03:12:11,063 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-15 03:12:11,064 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-15 03:12:11,064 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-15 03:12:11,064 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-15 03:12:11,064 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-15 03:12:11,064 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-15 03:12:11,064 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-15 03:12:11,065 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-15 03:12:11,065 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-15 03:12:11,065 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-15 03:12:11,065 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-15 03:12:11,065 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-15 03:12:11,065 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 03:12:11,065 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 03:12:11,066 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-15 03:12:11,066 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-15 03:12:11,066 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-15 03:12:11,066 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-15 03:12:11,066 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-15 03:12:11,066 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-15 03:12:11,066 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-15 03:12:11,067 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-15 03:12:11,067 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-15 03:12:11,067 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-15 03:12:11,067 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-15 03:12:11,068 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-15 03:12:11,068 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-15 03:12:11,068 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-15 03:12:11,068 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-15 03:12:11,069 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-15 03:12:11,069 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-15 03:12:11,069 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-15 03:12:11,069 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-15 03:12:11,070 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-15 03:12:11,071 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-15 03:12:11,071 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-15 03:12:11,071 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-15 03:12:11,071 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-15 03:12:11,071 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-15 03:12:11,071 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-15 03:12:11,072 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-15 03:12:11,072 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-15 03:12:11,073 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-15 03:12:11,076 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-10-15 03:12:11,077 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 03:12:11,077 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 03:12:11,077 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 03:12:11,078 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 03:12:11,078 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 03:12:11,078 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 03:12:11,078 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 03:12:11,078 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-15 03:12:11,079 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-15 03:12:11,086 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-15 03:12:11,087 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-15 03:12:11,087 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-15 03:12:11,087 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-15 03:12:11,087 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-15 03:12:11,087 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-15 03:12:11,087 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-15 03:12:11,087 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-15 03:12:11,087 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-15 03:12:11,088 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-15 03:12:11,088 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-15 03:12:11,088 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-15 03:12:11,088 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-15 03:12:11,089 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-15 03:12:11,089 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-15 03:12:11,089 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-15 03:12:11,089 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-15 03:12:11,090 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-15 03:12:11,090 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-15 03:12:11,090 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-15 03:12:11,090 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-15 03:12:11,090 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-15 03:12:11,090 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-15 03:12:11,090 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-15 03:12:11,090 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-15 03:12:11,091 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-15 03:12:11,091 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-15 03:12:11,091 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-15 03:12:11,091 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-15 03:12:11,091 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-15 03:12:11,091 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-15 03:12:11,091 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-15 03:12:11,091 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-15 03:12:11,092 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-15 03:12:11,092 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-15 03:12:11,092 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-15 03:12:11,092 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-15 03:12:11,092 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-15 03:12:11,092 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-15 03:12:11,092 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-15 03:12:11,093 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-15 03:12:11,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 03:12:11,093 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Encrypt [2019-10-15 03:12:11,093 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Encrypt [2019-10-15 03:12:11,094 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__AddressBook [2019-10-15 03:12:11,094 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__AddressBook [2019-10-15 03:12:11,094 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Sign [2019-10-15 03:12:11,094 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Sign [2019-10-15 03:12:11,094 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__AutoResponder [2019-10-15 03:12:11,094 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__AutoResponder [2019-10-15 03:12:11,094 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Forward [2019-10-15 03:12:11,094 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Forward [2019-10-15 03:12:11,095 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Verify [2019-10-15 03:12:11,095 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Verify [2019-10-15 03:12:11,095 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Decrypt [2019-10-15 03:12:11,095 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Decrypt [2019-10-15 03:12:11,095 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-10-15 03:12:11,095 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-15 03:12:11,095 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-15 03:12:11,095 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-15 03:12:11,096 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-15 03:12:11,096 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-15 03:12:11,096 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-15 03:12:11,096 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-15 03:12:11,096 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-15 03:12:11,096 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-15 03:12:11,096 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-15 03:12:11,096 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-15 03:12:11,097 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-15 03:12:11,097 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-15 03:12:11,097 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-15 03:12:11,097 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-15 03:12:11,097 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-15 03:12:11,097 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 03:12:11,097 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 03:12:11,098 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 03:12:11,098 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-15 03:12:11,098 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-15 03:12:11,098 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-15 03:12:11,098 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-15 03:12:11,098 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-15 03:12:11,098 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-15 03:12:11,098 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-15 03:12:11,099 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-15 03:12:11,099 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-15 03:12:11,099 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-15 03:12:11,099 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-15 03:12:11,099 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-15 03:12:11,099 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__before__Keys [2019-10-15 03:12:11,099 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__role__Keys [2019-10-15 03:12:11,099 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__before__Keys [2019-10-15 03:12:11,100 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__role__Keys [2019-10-15 03:12:11,100 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__before__Keys [2019-10-15 03:12:11,100 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__role__Keys [2019-10-15 03:12:11,100 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 03:12:11,100 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 03:12:11,100 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 03:12:11,100 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 03:12:11,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 03:12:11,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 03:12:11,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 03:12:11,101 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 03:12:11,101 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 03:12:11,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 03:12:11,101 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 03:12:11,101 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 03:12:11,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 03:12:11,102 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 03:12:11,102 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 03:12:11,102 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 03:12:11,102 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-15 03:12:11,102 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-15 03:12:11,102 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-15 03:12:11,102 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Encrypt [2019-10-15 03:12:11,103 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Encrypt [2019-10-15 03:12:11,103 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Sign [2019-10-15 03:12:11,104 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Sign [2019-10-15 03:12:11,108 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Verify [2019-10-15 03:12:11,109 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Verify [2019-10-15 03:12:11,109 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__before__Encrypt [2019-10-15 03:12:11,109 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__role__Encrypt [2019-10-15 03:12:11,109 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-15 03:12:11,109 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-15 03:12:11,109 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-15 03:12:11,109 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-15 03:12:11,110 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-15 03:12:11,110 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-15 03:12:11,110 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-15 03:12:11,115 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 03:12:11,115 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-15 03:12:11,116 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-15 03:12:11,116 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-15 03:12:11,116 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-15 03:12:11,116 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-15 03:12:11,116 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-15 03:12:11,116 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-15 03:12:11,116 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-15 03:12:11,116 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-15 03:12:11,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 03:12:11,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 03:12:11,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 03:12:15,826 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 03:12:15,828 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-15 03:12:15,830 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:12:15 BoogieIcfgContainer [2019-10-15 03:12:15,830 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 03:12:15,831 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 03:12:15,831 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 03:12:15,835 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 03:12:15,835 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 03:12:09" (1/3) ... [2019-10-15 03:12:15,836 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2817d7a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:12:15, skipping insertion in model container [2019-10-15 03:12:15,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:12:10" (2/3) ... [2019-10-15 03:12:15,837 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2817d7a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:12:15, skipping insertion in model container [2019-10-15 03:12:15,837 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:12:15" (3/3) ... [2019-10-15 03:12:15,838 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec11_productSimulator.cil.c [2019-10-15 03:12:15,849 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 03:12:15,861 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 03:12:15,872 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 03:12:15,926 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 03:12:15,927 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 03:12:15,927 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 03:12:15,927 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 03:12:15,927 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 03:12:15,927 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 03:12:15,927 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 03:12:15,927 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 03:12:15,969 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states. [2019-10-15 03:12:15,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2019-10-15 03:12:15,995 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:12:15,996 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] [2019-10-15 03:12:15,998 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:12:16,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:12:16,004 INFO L82 PathProgramCache]: Analyzing trace with hash -203471052, now seen corresponding path program 1 times [2019-10-15 03:12:16,012 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:12:16,013 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742921967] [2019-10-15 03:12:16,013 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:12:16,013 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:12:16,013 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:12:16,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:12:16,793 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-10-15 03:12:16,794 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [742921967] [2019-10-15 03:12:16,795 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:12:16,795 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-15 03:12:16,796 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139602079] [2019-10-15 03:12:16,802 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-15 03:12:16,802 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:12:16,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-15 03:12:16,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-15 03:12:16,819 INFO L87 Difference]: Start difference. First operand 604 states. Second operand 6 states. [2019-10-15 03:12:17,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:12:17,030 INFO L93 Difference]: Finished difference Result 1130 states and 1428 transitions. [2019-10-15 03:12:17,031 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-15 03:12:17,033 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 183 [2019-10-15 03:12:17,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:12:17,075 INFO L225 Difference]: With dead ends: 1130 [2019-10-15 03:12:17,075 INFO L226 Difference]: Without dead ends: 577 [2019-10-15 03:12:17,088 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-15 03:12:17,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2019-10-15 03:12:17,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 577. [2019-10-15 03:12:17,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 577 states. [2019-10-15 03:12:17,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 710 transitions. [2019-10-15 03:12:17,240 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 710 transitions. Word has length 183 [2019-10-15 03:12:17,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:12:17,243 INFO L462 AbstractCegarLoop]: Abstraction has 577 states and 710 transitions. [2019-10-15 03:12:17,243 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-15 03:12:17,243 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 710 transitions. [2019-10-15 03:12:17,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2019-10-15 03:12:17,262 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:12:17,263 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] [2019-10-15 03:12:17,263 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:12:17,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:12:17,264 INFO L82 PathProgramCache]: Analyzing trace with hash 629682748, now seen corresponding path program 1 times [2019-10-15 03:12:17,264 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:12:17,265 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765386138] [2019-10-15 03:12:17,265 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:12:17,265 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:12:17,265 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:12:17,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:12:17,602 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-10-15 03:12:17,602 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765386138] [2019-10-15 03:12:17,603 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:12:17,603 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:12:17,603 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981086450] [2019-10-15 03:12:17,608 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:12:17,609 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:12:17,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:12:17,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:12:17,610 INFO L87 Difference]: Start difference. First operand 577 states and 710 transitions. Second operand 3 states. [2019-10-15 03:12:17,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:12:17,667 INFO L93 Difference]: Finished difference Result 908 states and 1103 transitions. [2019-10-15 03:12:17,668 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:12:17,668 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 189 [2019-10-15 03:12:17,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:12:17,678 INFO L225 Difference]: With dead ends: 908 [2019-10-15 03:12:17,678 INFO L226 Difference]: Without dead ends: 579 [2019-10-15 03:12:17,695 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:12:17,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 579 states. [2019-10-15 03:12:17,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 579 to 579. [2019-10-15 03:12:17,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 579 states. [2019-10-15 03:12:17,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 712 transitions. [2019-10-15 03:12:17,745 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 712 transitions. Word has length 189 [2019-10-15 03:12:17,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:12:17,746 INFO L462 AbstractCegarLoop]: Abstraction has 579 states and 712 transitions. [2019-10-15 03:12:17,746 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:12:17,747 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 712 transitions. [2019-10-15 03:12:17,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2019-10-15 03:12:17,753 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:12:17,753 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] [2019-10-15 03:12:17,753 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:12:17,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:12:17,755 INFO L82 PathProgramCache]: Analyzing trace with hash -1430204685, now seen corresponding path program 1 times [2019-10-15 03:12:17,755 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:12:17,755 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278510771] [2019-10-15 03:12:17,755 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:12:17,756 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:12:17,756 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:12:17,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:12:18,088 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-10-15 03:12:18,089 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278510771] [2019-10-15 03:12:18,089 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:12:18,089 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 03:12:18,089 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79190325] [2019-10-15 03:12:18,090 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 03:12:18,090 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:12:18,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 03:12:18,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 03:12:18,091 INFO L87 Difference]: Start difference. First operand 579 states and 712 transitions. Second operand 4 states. [2019-10-15 03:12:19,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:12:19,530 INFO L93 Difference]: Finished difference Result 1638 states and 2082 transitions. [2019-10-15 03:12:19,530 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 03:12:19,530 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 195 [2019-10-15 03:12:19,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:12:19,538 INFO L225 Difference]: With dead ends: 1638 [2019-10-15 03:12:19,538 INFO L226 Difference]: Without dead ends: 1092 [2019-10-15 03:12:19,540 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 03:12:19,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1092 states. [2019-10-15 03:12:19,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1092 to 1089. [2019-10-15 03:12:19,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1089 states. [2019-10-15 03:12:19,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1089 states to 1089 states and 1323 transitions. [2019-10-15 03:12:19,613 INFO L78 Accepts]: Start accepts. Automaton has 1089 states and 1323 transitions. Word has length 195 [2019-10-15 03:12:19,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:12:19,617 INFO L462 AbstractCegarLoop]: Abstraction has 1089 states and 1323 transitions. [2019-10-15 03:12:19,617 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 03:12:19,617 INFO L276 IsEmpty]: Start isEmpty. Operand 1089 states and 1323 transitions. [2019-10-15 03:12:19,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2019-10-15 03:12:19,623 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:12:19,623 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] [2019-10-15 03:12:19,623 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:12:19,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:12:19,624 INFO L82 PathProgramCache]: Analyzing trace with hash 481009143, now seen corresponding path program 1 times [2019-10-15 03:12:19,624 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:12:19,624 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100848629] [2019-10-15 03:12:19,625 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:12:19,625 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:12:19,625 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:12:19,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:12:19,920 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-10-15 03:12:19,921 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100848629] [2019-10-15 03:12:19,921 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:12:19,921 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-10-15 03:12:19,921 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221422151] [2019-10-15 03:12:19,922 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-15 03:12:19,923 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:12:19,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-15 03:12:19,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2019-10-15 03:12:19,924 INFO L87 Difference]: Start difference. First operand 1089 states and 1323 transitions. Second operand 11 states. [2019-10-15 03:12:20,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:12:20,059 INFO L93 Difference]: Finished difference Result 1092 states and 1325 transitions. [2019-10-15 03:12:20,060 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-15 03:12:20,060 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 189 [2019-10-15 03:12:20,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:12:20,065 INFO L225 Difference]: With dead ends: 1092 [2019-10-15 03:12:20,066 INFO L226 Difference]: Without dead ends: 577 [2019-10-15 03:12:20,068 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2019-10-15 03:12:20,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2019-10-15 03:12:20,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 577. [2019-10-15 03:12:20,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 577 states. [2019-10-15 03:12:20,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 701 transitions. [2019-10-15 03:12:20,099 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 701 transitions. Word has length 189 [2019-10-15 03:12:20,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:12:20,099 INFO L462 AbstractCegarLoop]: Abstraction has 577 states and 701 transitions. [2019-10-15 03:12:20,100 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-15 03:12:20,100 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 701 transitions. [2019-10-15 03:12:20,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2019-10-15 03:12:20,104 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:12:20,104 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] [2019-10-15 03:12:20,105 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:12:20,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:12:20,105 INFO L82 PathProgramCache]: Analyzing trace with hash 1467473154, now seen corresponding path program 1 times [2019-10-15 03:12:20,105 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:12:20,105 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971535479] [2019-10-15 03:12:20,106 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:12:20,106 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:12:20,106 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:12:20,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:12:20,274 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2019-10-15 03:12:20,275 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971535479] [2019-10-15 03:12:20,275 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:12:20,275 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:12:20,275 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216378044] [2019-10-15 03:12:20,276 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:12:20,276 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:12:20,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:12:20,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:12:20,277 INFO L87 Difference]: Start difference. First operand 577 states and 701 transitions. Second operand 3 states. [2019-10-15 03:12:20,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:12:20,422 INFO L93 Difference]: Finished difference Result 1117 states and 1371 transitions. [2019-10-15 03:12:20,423 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:12:20,423 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 208 [2019-10-15 03:12:20,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:12:20,427 INFO L225 Difference]: With dead ends: 1117 [2019-10-15 03:12:20,427 INFO L226 Difference]: Without dead ends: 576 [2019-10-15 03:12:20,429 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:12:20,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 576 states. [2019-10-15 03:12:20,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 576 to 576. [2019-10-15 03:12:20,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 576 states. [2019-10-15 03:12:20,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 697 transitions. [2019-10-15 03:12:20,458 INFO L78 Accepts]: Start accepts. Automaton has 576 states and 697 transitions. Word has length 208 [2019-10-15 03:12:20,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:12:20,458 INFO L462 AbstractCegarLoop]: Abstraction has 576 states and 697 transitions. [2019-10-15 03:12:20,459 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:12:20,459 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 697 transitions. [2019-10-15 03:12:20,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2019-10-15 03:12:20,462 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:12:20,463 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] [2019-10-15 03:12:20,463 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:12:20,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:12:20,463 INFO L82 PathProgramCache]: Analyzing trace with hash 1926582331, now seen corresponding path program 1 times [2019-10-15 03:12:20,464 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:12:20,464 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862880073] [2019-10-15 03:12:20,464 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:12:20,464 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:12:20,467 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:12:20,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:12:20,642 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2019-10-15 03:12:20,642 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862880073] [2019-10-15 03:12:20,643 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:12:20,643 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-15 03:12:20,644 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893299666] [2019-10-15 03:12:20,644 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-15 03:12:20,645 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:12:20,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-15 03:12:20,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 03:12:20,645 INFO L87 Difference]: Start difference. First operand 576 states and 697 transitions. Second operand 4 states. [2019-10-15 03:12:21,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:12:21,380 INFO L93 Difference]: Finished difference Result 1091 states and 1319 transitions. [2019-10-15 03:12:21,380 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-15 03:12:21,380 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 216 [2019-10-15 03:12:21,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:12:21,384 INFO L225 Difference]: With dead ends: 1091 [2019-10-15 03:12:21,384 INFO L226 Difference]: Without dead ends: 575 [2019-10-15 03:12:21,387 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-15 03:12:21,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 575 states. [2019-10-15 03:12:21,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 575 to 575. [2019-10-15 03:12:21,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 575 states. [2019-10-15 03:12:21,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 575 states and 681 transitions. [2019-10-15 03:12:21,416 INFO L78 Accepts]: Start accepts. Automaton has 575 states and 681 transitions. Word has length 216 [2019-10-15 03:12:21,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:12:21,416 INFO L462 AbstractCegarLoop]: Abstraction has 575 states and 681 transitions. [2019-10-15 03:12:21,416 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-15 03:12:21,417 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 681 transitions. [2019-10-15 03:12:21,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2019-10-15 03:12:21,421 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:12:21,421 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] [2019-10-15 03:12:21,422 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:12:21,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:12:21,422 INFO L82 PathProgramCache]: Analyzing trace with hash -1216748536, now seen corresponding path program 1 times [2019-10-15 03:12:21,422 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:12:21,423 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634100619] [2019-10-15 03:12:21,423 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:12:21,423 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:12:21,423 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:12:21,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:12:21,684 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2019-10-15 03:12:21,684 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634100619] [2019-10-15 03:12:21,685 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:12:21,685 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:12:21,685 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66362737] [2019-10-15 03:12:21,686 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:12:21,686 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:12:21,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:12:21,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:12:21,687 INFO L87 Difference]: Start difference. First operand 575 states and 681 transitions. Second operand 3 states. [2019-10-15 03:12:21,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:12:21,729 INFO L93 Difference]: Finished difference Result 1096 states and 1330 transitions. [2019-10-15 03:12:21,729 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:12:21,729 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 238 [2019-10-15 03:12:21,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:12:21,733 INFO L225 Difference]: With dead ends: 1096 [2019-10-15 03:12:21,734 INFO L226 Difference]: Without dead ends: 629 [2019-10-15 03:12:21,735 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:12:21,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 629 states. [2019-10-15 03:12:21,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 629 to 628. [2019-10-15 03:12:21,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 628 states. [2019-10-15 03:12:21,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 628 states and 768 transitions. [2019-10-15 03:12:21,767 INFO L78 Accepts]: Start accepts. Automaton has 628 states and 768 transitions. Word has length 238 [2019-10-15 03:12:21,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:12:21,768 INFO L462 AbstractCegarLoop]: Abstraction has 628 states and 768 transitions. [2019-10-15 03:12:21,768 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:12:21,768 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 768 transitions. [2019-10-15 03:12:21,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2019-10-15 03:12:21,773 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:12:21,773 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] [2019-10-15 03:12:21,773 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:12:21,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:12:21,774 INFO L82 PathProgramCache]: Analyzing trace with hash 1768521822, now seen corresponding path program 1 times [2019-10-15 03:12:21,774 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:12:21,774 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620485080] [2019-10-15 03:12:21,775 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:12:21,775 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:12:21,775 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:12:21,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:12:22,007 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2019-10-15 03:12:22,008 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620485080] [2019-10-15 03:12:22,008 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:12:22,008 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-15 03:12:22,009 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103298014] [2019-10-15 03:12:22,010 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-15 03:12:22,010 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:12:22,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-15 03:12:22,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-10-15 03:12:22,012 INFO L87 Difference]: Start difference. First operand 628 states and 768 transitions. Second operand 8 states. [2019-10-15 03:12:23,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:12:23,523 INFO L93 Difference]: Finished difference Result 1147 states and 1435 transitions. [2019-10-15 03:12:23,523 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-15 03:12:23,523 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 239 [2019-10-15 03:12:23,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:12:23,527 INFO L225 Difference]: With dead ends: 1147 [2019-10-15 03:12:23,528 INFO L226 Difference]: Without dead ends: 627 [2019-10-15 03:12:23,529 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2019-10-15 03:12:23,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 627 states. [2019-10-15 03:12:23,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 627 to 627. [2019-10-15 03:12:23,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 627 states. [2019-10-15 03:12:23,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 627 states and 763 transitions. [2019-10-15 03:12:23,560 INFO L78 Accepts]: Start accepts. Automaton has 627 states and 763 transitions. Word has length 239 [2019-10-15 03:12:23,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:12:23,561 INFO L462 AbstractCegarLoop]: Abstraction has 627 states and 763 transitions. [2019-10-15 03:12:23,561 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-15 03:12:23,562 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 763 transitions. [2019-10-15 03:12:23,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2019-10-15 03:12:23,566 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:12:23,566 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] [2019-10-15 03:12:23,567 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:12:23,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:12:23,567 INFO L82 PathProgramCache]: Analyzing trace with hash 1306618465, now seen corresponding path program 1 times [2019-10-15 03:12:23,567 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:12:23,567 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778157830] [2019-10-15 03:12:23,568 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:12:23,568 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:12:23,568 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:12:23,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:12:24,788 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2019-10-15 03:12:24,789 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778157830] [2019-10-15 03:12:24,789 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:12:24,790 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [42] imperfect sequences [] total 42 [2019-10-15 03:12:24,790 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62309458] [2019-10-15 03:12:24,791 INFO L442 AbstractCegarLoop]: Interpolant automaton has 42 states [2019-10-15 03:12:24,791 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:12:24,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2019-10-15 03:12:24,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=1611, Unknown=0, NotChecked=0, Total=1722 [2019-10-15 03:12:24,793 INFO L87 Difference]: Start difference. First operand 627 states and 763 transitions. Second operand 42 states. [2019-10-15 03:12:44,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:12:44,241 INFO L93 Difference]: Finished difference Result 1360 states and 1665 transitions. [2019-10-15 03:12:44,247 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2019-10-15 03:12:44,248 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 245 [2019-10-15 03:12:44,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:12:44,254 INFO L225 Difference]: With dead ends: 1360 [2019-10-15 03:12:44,254 INFO L226 Difference]: Without dead ends: 1047 [2019-10-15 03:12:44,257 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 667 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=255, Invalid=4437, Unknown=0, NotChecked=0, Total=4692 [2019-10-15 03:12:44,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1047 states. [2019-10-15 03:12:44,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1047 to 1032. [2019-10-15 03:12:44,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1032 states. [2019-10-15 03:12:44,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 1032 states and 1259 transitions. [2019-10-15 03:12:44,317 INFO L78 Accepts]: Start accepts. Automaton has 1032 states and 1259 transitions. Word has length 245 [2019-10-15 03:12:44,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:12:44,318 INFO L462 AbstractCegarLoop]: Abstraction has 1032 states and 1259 transitions. [2019-10-15 03:12:44,318 INFO L463 AbstractCegarLoop]: Interpolant automaton has 42 states. [2019-10-15 03:12:44,318 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1259 transitions. [2019-10-15 03:12:44,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2019-10-15 03:12:44,323 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:12:44,324 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] [2019-10-15 03:12:44,324 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:12:44,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:12:44,325 INFO L82 PathProgramCache]: Analyzing trace with hash -1116505641, now seen corresponding path program 1 times [2019-10-15 03:12:44,325 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:12:44,325 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989195963] [2019-10-15 03:12:44,325 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:12:44,326 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:12:44,326 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:12:44,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:12:45,483 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2019-10-15 03:12:45,484 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989195963] [2019-10-15 03:12:45,484 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:12:45,484 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [44] imperfect sequences [] total 44 [2019-10-15 03:12:45,484 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249055929] [2019-10-15 03:12:45,485 INFO L442 AbstractCegarLoop]: Interpolant automaton has 44 states [2019-10-15 03:12:45,485 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:12:45,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2019-10-15 03:12:45,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1775, Unknown=0, NotChecked=0, Total=1892 [2019-10-15 03:12:45,486 INFO L87 Difference]: Start difference. First operand 1032 states and 1259 transitions. Second operand 44 states.