java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/product-lines/email_spec1_product31.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 01:13:13,744 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 01:13:13,747 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 01:13:13,768 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 01:13:13,768 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 01:13:13,770 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 01:13:13,773 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 01:13:13,784 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 01:13:13,788 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 01:13:13,792 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 01:13:13,793 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 01:13:13,795 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 01:13:13,796 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 01:13:13,797 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 01:13:13,800 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 01:13:13,802 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 01:13:13,803 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 01:13:13,804 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 01:13:13,806 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 01:13:13,811 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 01:13:13,816 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 01:13:13,819 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 01:13:13,822 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 01:13:13,823 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 01:13:13,826 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 01:13:13,826 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 01:13:13,826 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 01:13:13,828 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 01:13:13,829 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 01:13:13,830 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 01:13:13,830 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 01:13:13,833 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 01:13:13,834 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 01:13:13,834 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 01:13:13,836 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 01:13:13,836 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 01:13:13,837 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 01:13:13,837 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 01:13:13,837 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 01:13:13,838 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 01:13:13,840 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 01:13:13,841 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 01:13:13,875 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 01:13:13,878 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 01:13:13,880 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 01:13:13,880 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 01:13:13,883 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 01:13:13,884 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 01:13:13,884 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 01:13:13,884 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 01:13:13,884 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 01:13:13,884 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 01:13:13,885 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 01:13:13,885 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 01:13:13,885 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 01:13:13,885 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 01:13:13,885 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 01:13:13,886 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 01:13:13,886 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 01:13:13,886 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 01:13:13,888 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 01:13:13,888 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 01:13:13,889 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 01:13:13,889 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:13:13,889 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 01:13:13,889 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 01:13:13,890 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 01:13:13,890 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 01:13:13,890 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 01:13:13,890 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 01:13:13,890 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-15 01:13:14,267 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 01:13:14,291 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 01:13:14,295 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 01:13:14,297 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 01:13:14,297 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 01:13:14,298 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec1_product31.cil.c [2019-10-15 01:13:14,378 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5293f5e3/32e3f107def04fd8b11967aaa2ba77db/FLAG71540b089 [2019-10-15 01:13:15,024 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 01:13:15,025 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec1_product31.cil.c [2019-10-15 01:13:15,053 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5293f5e3/32e3f107def04fd8b11967aaa2ba77db/FLAG71540b089 [2019-10-15 01:13:15,214 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5293f5e3/32e3f107def04fd8b11967aaa2ba77db [2019-10-15 01:13:15,225 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 01:13:15,227 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 01:13:15,230 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 01:13:15,230 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 01:13:15,234 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 01:13:15,235 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:13:15" (1/1) ... [2019-10-15 01:13:15,239 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d289120 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:13:15, skipping insertion in model container [2019-10-15 01:13:15,239 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 01:13:15" (1/1) ... [2019-10-15 01:13:15,247 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 01:13:15,336 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 01:13:16,116 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:13:16,138 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 01:13:16,268 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 01:13:16,362 INFO L192 MainTranslator]: Completed translation [2019-10-15 01:13:16,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:13:16 WrapperNode [2019-10-15 01:13:16,363 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 01:13:16,364 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 01:13:16,364 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 01:13:16,364 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 01:13:16,379 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:13:16" (1/1) ... [2019-10-15 01:13:16,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:13:16" (1/1) ... [2019-10-15 01:13:16,415 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:13:16" (1/1) ... [2019-10-15 01:13:16,415 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:13:16" (1/1) ... [2019-10-15 01:13:16,499 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:13:16" (1/1) ... [2019-10-15 01:13:16,534 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:13:16" (1/1) ... [2019-10-15 01:13:16,550 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:13:16" (1/1) ... [2019-10-15 01:13:16,566 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 01:13:16,567 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 01:13:16,567 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 01:13:16,567 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 01:13:16,568 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:13:16" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 01:13:16,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 01:13:16,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 01:13:16,646 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 01:13:16,646 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-15 01:13:16,646 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-10-15 01:13:16,646 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-15 01:13:16,647 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-15 01:13:16,647 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2019-10-15 01:13:16,647 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-15 01:13:16,647 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-15 01:13:16,647 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-15 01:13:16,648 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-15 01:13:16,648 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-15 01:13:16,648 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-15 01:13:16,648 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-15 01:13:16,649 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-15 01:13:16,649 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-15 01:13:16,649 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-15 01:13:16,649 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-15 01:13:16,650 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-15 01:13:16,651 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-15 01:13:16,651 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-15 01:13:16,651 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-15 01:13:16,651 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-15 01:13:16,651 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-15 01:13:16,652 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 01:13:16,652 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 01:13:16,652 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 01:13:16,652 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 01:13:16,652 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 01:13:16,653 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 01:13:16,653 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-15 01:13:16,653 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Encrypt [2019-10-15 01:13:16,653 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-10-15 01:13:16,653 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-15 01:13:16,654 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-15 01:13:16,654 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-15 01:13:16,654 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-15 01:13:16,654 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-15 01:13:16,654 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 01:13:16,654 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 01:13:16,654 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 01:13:16,655 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 01:13:16,655 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 01:13:16,655 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-15 01:13:16,655 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-15 01:13:16,655 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-15 01:13:16,655 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-15 01:13:16,655 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-15 01:13:16,656 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-15 01:13:16,656 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-15 01:13:16,656 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-15 01:13:16,656 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 01:13:16,656 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 01:13:16,656 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-15 01:13:16,656 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-15 01:13:16,657 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-15 01:13:16,657 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-15 01:13:16,657 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-15 01:13:16,657 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-15 01:13:16,657 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-15 01:13:16,657 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-15 01:13:16,658 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-15 01:13:16,658 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-15 01:13:16,658 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-15 01:13:16,658 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-15 01:13:16,658 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-15 01:13:16,658 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-15 01:13:16,659 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-15 01:13:16,659 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-15 01:13:16,659 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-15 01:13:16,659 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-15 01:13:16,659 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-15 01:13:16,659 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-15 01:13:16,660 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-15 01:13:16,660 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-15 01:13:16,660 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-15 01:13:16,660 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-15 01:13:16,660 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-15 01:13:16,660 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-15 01:13:16,661 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-15 01:13:16,661 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-15 01:13:16,661 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-15 01:13:16,661 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-15 01:13:16,661 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-15 01:13:16,661 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-15 01:13:16,661 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-15 01:13:16,662 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-15 01:13:16,662 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-15 01:13:16,662 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-15 01:13:16,662 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-15 01:13:16,662 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-15 01:13:16,662 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-15 01:13:16,663 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-15 01:13:16,663 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-15 01:13:16,663 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-15 01:13:16,663 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-15 01:13:16,663 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-15 01:13:16,663 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-15 01:13:16,664 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-15 01:13:16,664 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-15 01:13:16,664 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-15 01:13:16,664 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-15 01:13:16,664 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-15 01:13:16,664 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-15 01:13:16,664 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-15 01:13:16,665 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-15 01:13:16,665 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-15 01:13:16,665 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-15 01:13:16,665 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-15 01:13:16,665 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-15 01:13:16,665 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-15 01:13:16,665 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-15 01:13:16,666 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-15 01:13:16,666 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 01:13:16,666 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 01:13:16,666 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 01:13:16,666 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 01:13:16,666 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-15 01:13:16,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 01:13:16,667 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 01:13:16,667 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-15 01:13:16,667 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-15 01:13:16,667 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-10-15 01:13:16,667 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-15 01:13:16,668 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-15 01:13:16,668 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-15 01:13:16,668 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-15 01:13:16,668 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-15 01:13:16,668 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-15 01:13:16,668 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-15 01:13:16,669 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-15 01:13:16,669 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-15 01:13:16,669 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-15 01:13:16,669 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-15 01:13:16,669 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-15 01:13:16,669 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-15 01:13:16,670 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-15 01:13:16,670 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-15 01:13:16,670 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-15 01:13:16,670 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-15 01:13:16,670 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-15 01:13:16,670 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-15 01:13:16,671 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-15 01:13:16,671 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-15 01:13:16,671 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-15 01:13:16,671 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-15 01:13:16,671 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-15 01:13:16,671 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-15 01:13:16,671 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-15 01:13:16,672 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-15 01:13:16,672 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-15 01:13:16,672 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-15 01:13:16,672 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-15 01:13:16,672 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-15 01:13:16,672 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-15 01:13:16,672 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-15 01:13:16,673 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-15 01:13:16,673 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-15 01:13:16,673 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-15 01:13:16,673 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-15 01:13:16,673 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2019-10-15 01:13:16,673 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-15 01:13:16,673 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-15 01:13:16,674 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-15 01:13:16,674 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 01:13:16,674 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 01:13:16,674 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 01:13:16,674 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 01:13:16,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 01:13:16,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 01:13:16,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 01:13:16,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 01:13:16,675 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 01:13:16,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 01:13:16,675 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 01:13:16,675 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 01:13:16,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 01:13:16,676 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 01:13:16,676 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 01:13:16,676 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 01:13:16,676 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-15 01:13:16,676 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-15 01:13:16,676 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-15 01:13:16,676 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-15 01:13:16,677 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Encrypt [2019-10-15 01:13:16,677 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-10-15 01:13:16,677 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-15 01:13:16,677 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-15 01:13:16,677 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-15 01:13:16,677 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-15 01:13:16,677 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-15 01:13:16,678 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-15 01:13:16,678 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-15 01:13:16,678 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-15 01:13:16,678 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-15 01:13:16,678 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-15 01:13:16,678 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 01:13:16,678 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 01:13:16,679 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 01:13:16,679 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 01:13:16,679 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 01:13:16,679 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-15 01:13:16,679 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-15 01:13:16,679 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-15 01:13:16,679 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-15 01:13:16,680 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-15 01:13:16,680 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-15 01:13:16,680 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-15 01:13:16,680 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-15 01:13:16,680 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-15 01:13:16,680 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-15 01:13:16,680 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-15 01:13:16,680 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 01:13:16,681 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 01:13:16,681 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-15 01:13:16,681 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-15 01:13:16,681 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-15 01:13:16,681 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-15 01:13:16,681 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-15 01:13:16,682 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-15 01:13:16,682 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-15 01:13:16,682 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-15 01:13:16,682 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-15 01:13:16,682 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-15 01:13:16,682 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-15 01:13:16,683 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-15 01:13:16,683 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-15 01:13:16,683 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-15 01:13:16,683 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-15 01:13:16,683 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-15 01:13:16,683 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-15 01:13:16,684 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-15 01:13:16,684 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-15 01:13:16,684 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-15 01:13:16,684 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-15 01:13:16,684 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-15 01:13:16,684 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-15 01:13:16,685 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-15 01:13:16,685 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-15 01:13:16,685 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-15 01:13:16,685 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-15 01:13:16,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 01:13:16,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 01:13:16,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 01:13:18,869 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 01:13:18,869 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-15 01:13:18,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:13:18 BoogieIcfgContainer [2019-10-15 01:13:18,872 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 01:13:18,874 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 01:13:18,875 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 01:13:18,878 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 01:13:18,878 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 01:13:15" (1/3) ... [2019-10-15 01:13:18,880 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@383b0b03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:13:18, skipping insertion in model container [2019-10-15 01:13:18,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 01:13:16" (2/3) ... [2019-10-15 01:13:18,880 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@383b0b03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 01:13:18, skipping insertion in model container [2019-10-15 01:13:18,881 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 01:13:18" (3/3) ... [2019-10-15 01:13:18,883 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec1_product31.cil.c [2019-10-15 01:13:18,893 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 01:13:18,905 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 01:13:18,917 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 01:13:18,960 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 01:13:18,960 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 01:13:18,960 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 01:13:18,960 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 01:13:18,964 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 01:13:18,964 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 01:13:18,964 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 01:13:18,965 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 01:13:19,010 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states. [2019-10-15 01:13:19,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2019-10-15 01:13:19,043 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:13:19,050 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:13:19,054 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:13:19,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:13:19,063 INFO L82 PathProgramCache]: Analyzing trace with hash 1912188797, now seen corresponding path program 1 times [2019-10-15 01:13:19,074 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:13:19,074 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447480881] [2019-10-15 01:13:19,075 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:13:19,075 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:13:19,075 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:13:19,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:13:19,822 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-15 01:13:19,823 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447480881] [2019-10-15 01:13:19,825 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:13:19,825 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 01:13:19,825 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181119114] [2019-10-15 01:13:19,832 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 01:13:19,834 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:13:19,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 01:13:19,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:13:19,852 INFO L87 Difference]: Start difference. First operand 558 states. Second operand 2 states. [2019-10-15 01:13:19,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:13:19,934 INFO L93 Difference]: Finished difference Result 858 states and 1126 transitions. [2019-10-15 01:13:19,934 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 01:13:19,935 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 158 [2019-10-15 01:13:19,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:13:19,976 INFO L225 Difference]: With dead ends: 858 [2019-10-15 01:13:19,977 INFO L226 Difference]: Without dead ends: 535 [2019-10-15 01:13:19,991 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 01:13:20,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 535 states. [2019-10-15 01:13:20,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 535 to 535. [2019-10-15 01:13:20,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 535 states. [2019-10-15 01:13:20,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 535 states and 707 transitions. [2019-10-15 01:13:20,129 INFO L78 Accepts]: Start accepts. Automaton has 535 states and 707 transitions. Word has length 158 [2019-10-15 01:13:20,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:13:20,132 INFO L462 AbstractCegarLoop]: Abstraction has 535 states and 707 transitions. [2019-10-15 01:13:20,132 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 01:13:20,133 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 707 transitions. [2019-10-15 01:13:20,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-10-15 01:13:20,144 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:13:20,144 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:13:20,145 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:13:20,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:13:20,146 INFO L82 PathProgramCache]: Analyzing trace with hash 692839449, now seen corresponding path program 1 times [2019-10-15 01:13:20,146 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:13:20,146 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011945700] [2019-10-15 01:13:20,146 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:13:20,146 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:13:20,147 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:13:20,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:13:20,466 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-15 01:13:20,466 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011945700] [2019-10-15 01:13:20,466 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:13:20,467 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:13:20,467 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376284905] [2019-10-15 01:13:20,472 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:13:20,473 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:13:20,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:13:20,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:13:20,473 INFO L87 Difference]: Start difference. First operand 535 states and 707 transitions. Second operand 3 states. [2019-10-15 01:13:20,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:13:20,569 INFO L93 Difference]: Finished difference Result 841 states and 1094 transitions. [2019-10-15 01:13:20,570 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:13:20,570 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 159 [2019-10-15 01:13:20,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:13:20,575 INFO L225 Difference]: With dead ends: 841 [2019-10-15 01:13:20,576 INFO L226 Difference]: Without dead ends: 538 [2019-10-15 01:13:20,578 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:13:20,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2019-10-15 01:13:20,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 537. [2019-10-15 01:13:20,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 537 states. [2019-10-15 01:13:20,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 709 transitions. [2019-10-15 01:13:20,606 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 709 transitions. Word has length 159 [2019-10-15 01:13:20,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:13:20,609 INFO L462 AbstractCegarLoop]: Abstraction has 537 states and 709 transitions. [2019-10-15 01:13:20,609 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:13:20,609 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 709 transitions. [2019-10-15 01:13:20,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2019-10-15 01:13:20,612 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:13:20,612 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:13:20,612 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:13:20,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:13:20,613 INFO L82 PathProgramCache]: Analyzing trace with hash 62059661, now seen corresponding path program 1 times [2019-10-15 01:13:20,613 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:13:20,613 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331738651] [2019-10-15 01:13:20,613 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:13:20,613 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:13:20,614 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:13:20,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:13:20,737 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-15 01:13:20,738 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331738651] [2019-10-15 01:13:20,738 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:13:20,738 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 01:13:20,738 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925559432] [2019-10-15 01:13:20,739 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 01:13:20,739 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:13:20,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 01:13:20,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:13:20,740 INFO L87 Difference]: Start difference. First operand 537 states and 709 transitions. Second operand 3 states. [2019-10-15 01:13:20,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 01:13:20,778 INFO L93 Difference]: Finished difference Result 1050 states and 1416 transitions. [2019-10-15 01:13:20,778 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 01:13:20,779 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 165 [2019-10-15 01:13:20,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 01:13:20,783 INFO L225 Difference]: With dead ends: 1050 [2019-10-15 01:13:20,783 INFO L226 Difference]: Without dead ends: 578 [2019-10-15 01:13:20,785 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 01:13:20,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2019-10-15 01:13:20,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 577. [2019-10-15 01:13:20,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 577 states. [2019-10-15 01:13:20,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 778 transitions. [2019-10-15 01:13:20,809 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 778 transitions. Word has length 165 [2019-10-15 01:13:20,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 01:13:20,810 INFO L462 AbstractCegarLoop]: Abstraction has 577 states and 778 transitions. [2019-10-15 01:13:20,810 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 01:13:20,810 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 778 transitions. [2019-10-15 01:13:20,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2019-10-15 01:13:20,814 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 01:13:20,814 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 01:13:20,814 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 01:13:20,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 01:13:20,815 INFO L82 PathProgramCache]: Analyzing trace with hash 1057997395, now seen corresponding path program 1 times [2019-10-15 01:13:20,815 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-15 01:13:20,815 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351804146] [2019-10-15 01:13:20,815 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:13:20,815 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 01:13:20,816 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 01:13:20,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 01:13:22,253 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-15 01:13:22,254 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351804146] [2019-10-15 01:13:22,254 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 01:13:22,254 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [39] imperfect sequences [] total 39 [2019-10-15 01:13:22,254 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706657795] [2019-10-15 01:13:22,255 INFO L442 AbstractCegarLoop]: Interpolant automaton has 39 states [2019-10-15 01:13:22,255 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-15 01:13:22,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2019-10-15 01:13:22,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=1400, Unknown=0, NotChecked=0, Total=1482 [2019-10-15 01:13:22,257 INFO L87 Difference]: Start difference. First operand 577 states and 778 transitions. Second operand 39 states.