/usr/bin/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 -i ../../../trunk/examples/svcomp/product-lines/email_spec7_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 21:48:59,915 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 21:48:59,918 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 21:48:59,937 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 21:48:59,937 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 21:48:59,940 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 21:48:59,942 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 21:48:59,952 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 21:48:59,956 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 21:48:59,958 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 21:48:59,960 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 21:48:59,962 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 21:48:59,962 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 21:48:59,964 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 21:48:59,966 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 21:48:59,968 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 21:48:59,969 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 21:48:59,970 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 21:48:59,972 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 21:48:59,976 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 21:48:59,980 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 21:48:59,983 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 21:48:59,986 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 21:48:59,986 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 21:48:59,989 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-06 21:48:59,989 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-06 21:48:59,989 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-06 21:48:59,991 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-06 21:48:59,992 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-06 21:48:59,994 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-06 21:48:59,994 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-06 21:48:59,996 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-06 21:48:59,997 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-06 21:48:59,997 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-06 21:48:59,999 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-06 21:49:00,000 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-06 21:49:00,000 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-06 21:49:00,001 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-06 21:49:00,001 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 21:49:00,002 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 21:49:00,002 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 21:49:00,003 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 [2019-11-06 21:49:00,037 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 21:49:00,038 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 21:49:00,043 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 21:49:00,043 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 21:49:00,044 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 21:49:00,044 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 21:49:00,044 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 21:49:00,044 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 21:49:00,044 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 21:49:00,045 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 21:49:00,045 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 21:49:00,045 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 21:49:00,045 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 21:49:00,045 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 21:49:00,046 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 21:49:00,046 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 21:49:00,046 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 21:49:00,046 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 21:49:00,046 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 21:49:00,046 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 21:49:00,047 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 21:49:00,047 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 21:49:00,047 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 21:49:00,047 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 21:49:00,047 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 21:49:00,048 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 21:49:00,050 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 21:49:00,050 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 21:49:00,050 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 21:49:00,319 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 21:49:00,332 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 21:49:00,335 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 21:49:00,337 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 21:49:00,337 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 21:49:00,338 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec7_product28.cil.c [2019-11-06 21:49:00,416 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36901440e/b80e415e68b345a5a43e41fdc2ad6abb/FLAG93ed30d01 [2019-11-06 21:49:01,085 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 21:49:01,086 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec7_product28.cil.c [2019-11-06 21:49:01,116 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36901440e/b80e415e68b345a5a43e41fdc2ad6abb/FLAG93ed30d01 [2019-11-06 21:49:01,290 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/36901440e/b80e415e68b345a5a43e41fdc2ad6abb [2019-11-06 21:49:01,297 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 21:49:01,299 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 21:49:01,300 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 21:49:01,300 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 21:49:01,303 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 21:49:01,304 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:49:01" (1/1) ... [2019-11-06 21:49:01,307 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c3c5c73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:49:01, skipping insertion in model container [2019-11-06 21:49:01,307 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:49:01" (1/1) ... [2019-11-06 21:49:01,315 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 21:49:01,400 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 21:49:02,200 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:49:02,221 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 21:49:02,348 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:49:02,460 INFO L192 MainTranslator]: Completed translation [2019-11-06 21:49:02,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:49:02 WrapperNode [2019-11-06 21:49:02,461 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 21:49:02,462 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 21:49:02,463 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 21:49:02,463 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 21:49:02,483 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:49:02" (1/1) ... [2019-11-06 21:49:02,484 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:49:02" (1/1) ... [2019-11-06 21:49:02,556 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:49:02" (1/1) ... [2019-11-06 21:49:02,557 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:49:02" (1/1) ... [2019-11-06 21:49:02,639 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:49:02" (1/1) ... [2019-11-06 21:49:02,678 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:49:02" (1/1) ... [2019-11-06 21:49:02,701 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:49:02" (1/1) ... [2019-11-06 21:49:02,726 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 21:49:02,727 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 21:49:02,727 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 21:49:02,727 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 21:49:02,728 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:49:02" (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 [2019-11-06 21:49:02,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 21:49:02,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 21:49:02,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-06 21:49:02,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-06 21:49:02,828 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-11-06 21:49:02,829 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Encrypt [2019-11-06 21:49:02,830 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2019-11-06 21:49:02,830 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-11-06 21:49:02,831 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-11-06 21:49:02,832 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-11-06 21:49:02,832 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-11-06 21:49:02,832 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-11-06 21:49:02,833 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-06 21:49:02,833 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-06 21:49:02,835 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-06 21:49:02,835 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-06 21:49:02,838 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-11-06 21:49:02,838 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-11-06 21:49:02,839 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2019-11-06 21:49:02,839 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-11-06 21:49:02,840 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-11-06 21:49:02,840 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-11-06 21:49:02,840 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-11-06 21:49:02,841 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-11-06 21:49:02,841 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-11-06 21:49:02,841 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-11-06 21:49:02,842 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-11-06 21:49:02,842 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-11-06 21:49:02,842 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-11-06 21:49:02,842 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-11-06 21:49:02,843 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-11-06 21:49:02,843 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-11-06 21:49:02,843 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-11-06 21:49:02,844 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-11-06 21:49:02,844 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-11-06 21:49:02,844 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-11-06 21:49:02,844 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-11-06 21:49:02,844 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-11-06 21:49:02,845 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-11-06 21:49:02,845 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-11-06 21:49:02,845 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-11-06 21:49:02,845 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-11-06 21:49:02,845 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-06 21:49:02,846 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 21:49:02,846 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-11-06 21:49:02,846 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-11-06 21:49:02,846 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-11-06 21:49:02,846 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-11-06 21:49:02,846 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-11-06 21:49:02,847 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-11-06 21:49:02,847 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-11-06 21:49:02,847 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-11-06 21:49:02,847 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-11-06 21:49:02,847 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-06 21:49:02,848 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptVerify_spec__1 [2019-11-06 21:49:02,848 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-06 21:49:02,848 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-06 21:49:02,848 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-06 21:49:02,848 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-06 21:49:02,849 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-06 21:49:02,849 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-06 21:49:02,849 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-11-06 21:49:02,849 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-11-06 21:49:02,850 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-11-06 21:49:02,850 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-11-06 21:49:02,850 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-11-06 21:49:02,850 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-11-06 21:49:02,850 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-11-06 21:49:02,851 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-11-06 21:49:02,851 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-11-06 21:49:02,851 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-11-06 21:49:02,852 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-11-06 21:49:02,852 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-11-06 21:49:02,852 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-11-06 21:49:02,853 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-11-06 21:49:02,854 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-11-06 21:49:02,854 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-11-06 21:49:02,854 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-11-06 21:49:02,855 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-11-06 21:49:02,855 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-11-06 21:49:02,855 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-11-06 21:49:02,856 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-11-06 21:49:02,857 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-11-06 21:49:02,857 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-11-06 21:49:02,857 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-11-06 21:49:02,857 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-11-06 21:49:02,858 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-11-06 21:49:02,859 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-11-06 21:49:02,859 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-11-06 21:49:02,860 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-11-06 21:49:02,861 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-11-06 21:49:02,861 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-11-06 21:49:02,861 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-11-06 21:49:02,861 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-11-06 21:49:02,862 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-11-06 21:49:02,862 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-11-06 21:49:02,862 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-11-06 21:49:02,862 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-11-06 21:49:02,862 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-11-06 21:49:02,863 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-11-06 21:49:02,863 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-11-06 21:49:02,863 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-11-06 21:49:02,863 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-11-06 21:49:02,864 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-11-06 21:49:02,864 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-11-06 21:49:02,864 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-11-06 21:49:02,864 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-11-06 21:49:02,865 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-11-06 21:49:02,865 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-11-06 21:49:02,865 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-11-06 21:49:02,865 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-11-06 21:49:02,865 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-11-06 21:49:02,866 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 21:49:02,866 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 21:49:02,866 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-06 21:49:02,867 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-06 21:49:02,867 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-11-06 21:49:02,867 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-11-06 21:49:02,867 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-11-06 21:49:02,867 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-11-06 21:49:02,868 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-11-06 21:49:02,868 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-11-06 21:49:02,869 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-11-06 21:49:02,869 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-11-06 21:49:02,870 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-11-06 21:49:02,871 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-11-06 21:49:02,871 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-11-06 21:49:02,871 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-11-06 21:49:02,871 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-11-06 21:49:02,871 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-11-06 21:49:02,872 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-11-06 21:49:02,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-06 21:49:02,872 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Encrypt [2019-11-06 21:49:02,873 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2019-11-06 21:49:02,873 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-11-06 21:49:02,873 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-06 21:49:02,873 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-06 21:49:02,873 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-06 21:49:02,874 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-06 21:49:02,875 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-06 21:49:02,879 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-11-06 21:49:02,880 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-11-06 21:49:02,881 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-11-06 21:49:02,882 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-11-06 21:49:02,890 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-11-06 21:49:02,891 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-11-06 21:49:02,891 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-11-06 21:49:02,891 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-11-06 21:49:02,891 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-11-06 21:49:02,892 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-11-06 21:49:02,892 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-11-06 21:49:02,892 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-11-06 21:49:02,892 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-11-06 21:49:02,893 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-11-06 21:49:02,894 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-11-06 21:49:02,894 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-11-06 21:49:02,894 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-11-06 21:49:02,894 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-11-06 21:49:02,895 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-11-06 21:49:02,895 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-11-06 21:49:02,895 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-11-06 21:49:02,895 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-11-06 21:49:02,896 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-11-06 21:49:02,896 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-11-06 21:49:02,896 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-11-06 21:49:02,896 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2019-11-06 21:49:02,897 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-11-06 21:49:02,897 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-11-06 21:49:02,897 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptVerify_spec__1 [2019-11-06 21:49:02,897 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-11-06 21:49:02,897 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-11-06 21:49:02,897 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-11-06 21:49:02,898 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-11-06 21:49:02,898 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-11-06 21:49:02,898 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-11-06 21:49:02,898 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-11-06 21:49:02,899 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-11-06 21:49:02,899 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-11-06 21:49:02,899 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-11-06 21:49:02,899 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-11-06 21:49:02,900 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-06 21:49:02,900 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-06 21:49:02,900 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 21:49:02,900 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-11-06 21:49:02,900 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-11-06 21:49:02,901 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-11-06 21:49:02,901 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-11-06 21:49:02,901 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-11-06 21:49:02,901 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-11-06 21:49:02,901 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-11-06 21:49:02,902 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-11-06 21:49:02,902 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-11-06 21:49:02,902 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-11-06 21:49:02,902 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-11-06 21:49:02,903 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-11-06 21:49:02,903 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-06 21:49:02,903 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-06 21:49:02,903 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-06 21:49:02,903 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-06 21:49:02,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-06 21:49:02,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-06 21:49:02,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-06 21:49:02,904 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-06 21:49:02,904 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-06 21:49:02,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-06 21:49:02,905 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-06 21:49:02,905 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-06 21:49:02,905 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-06 21:49:02,906 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-06 21:49:02,906 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-06 21:49:02,906 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-06 21:49:02,906 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-11-06 21:49:02,907 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-11-06 21:49:02,907 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-11-06 21:49:02,907 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-11-06 21:49:02,907 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-11-06 21:49:02,907 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-11-06 21:49:02,908 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-11-06 21:49:02,908 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-11-06 21:49:02,908 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-11-06 21:49:02,908 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-11-06 21:49:02,909 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-11-06 21:49:02,909 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-11-06 21:49:02,909 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-11-06 21:49:02,909 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-11-06 21:49:02,909 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-11-06 21:49:02,910 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-11-06 21:49:02,910 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-11-06 21:49:02,910 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-11-06 21:49:02,910 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-11-06 21:49:02,911 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-11-06 21:49:02,911 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-11-06 21:49:02,911 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-11-06 21:49:02,911 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-11-06 21:49:02,911 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-11-06 21:49:02,912 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-11-06 21:49:02,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 21:49:02,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-06 21:49:02,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 21:49:05,260 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 21:49:05,261 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-06 21:49:05,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:49:05 BoogieIcfgContainer [2019-11-06 21:49:05,263 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 21:49:05,264 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 21:49:05,264 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 21:49:05,267 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 21:49:05,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:49:01" (1/3) ... [2019-11-06 21:49:05,269 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42ea8ef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:49:05, skipping insertion in model container [2019-11-06 21:49:05,269 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:49:02" (2/3) ... [2019-11-06 21:49:05,269 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42ea8ef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:49:05, skipping insertion in model container [2019-11-06 21:49:05,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:49:05" (3/3) ... [2019-11-06 21:49:05,271 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec7_product28.cil.c [2019-11-06 21:49:05,282 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 21:49:05,295 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 21:49:05,308 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 21:49:05,350 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 21:49:05,350 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 21:49:05,351 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 21:49:05,351 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 21:49:05,351 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 21:49:05,351 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 21:49:05,351 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 21:49:05,351 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 21:49:05,390 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states. [2019-11-06 21:49:05,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2019-11-06 21:49:05,427 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:49:05,430 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 21:49:05,433 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:49:05,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:49:05,440 INFO L82 PathProgramCache]: Analyzing trace with hash 791417093, now seen corresponding path program 1 times [2019-11-06 21:49:05,450 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:49:05,450 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486880090] [2019-11-06 21:49:05,454 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:49:05,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:07,977 WARN L191 SmtUtils]: Spent 1.85 s on a formula simplification that was a NOOP. DAG size: 541 [2019-11-06 21:49:07,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:08,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:08,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:08,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:08,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:08,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:08,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:08,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:08,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:08,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:08,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:08,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:08,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:08,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:08,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:08,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:08,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:08,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:08,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:08,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:08,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:08,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:08,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:08,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:08,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:08,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:08,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:08,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:08,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:08,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:08,412 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-11-06 21:49:08,412 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486880090] [2019-11-06 21:49:08,413 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:49:08,413 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-11-06 21:49:08,414 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957022897] [2019-11-06 21:49:08,421 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-06 21:49:08,421 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:49:08,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-06 21:49:08,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2019-11-06 21:49:08,438 INFO L87 Difference]: Start difference. First operand 505 states. Second operand 11 states. [2019-11-06 21:49:21,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 21:49:21,514 INFO L93 Difference]: Finished difference Result 1176 states and 1757 transitions. [2019-11-06 21:49:21,514 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2019-11-06 21:49:21,516 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 182 [2019-11-06 21:49:21,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 21:49:21,541 INFO L225 Difference]: With dead ends: 1176 [2019-11-06 21:49:21,541 INFO L226 Difference]: Without dead ends: 779 [2019-11-06 21:49:21,553 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 488 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=419, Invalid=1303, Unknown=0, NotChecked=0, Total=1722 [2019-11-06 21:49:21,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 779 states. [2019-11-06 21:49:21,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 779 to 454. [2019-11-06 21:49:21,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 454 states. [2019-11-06 21:49:21,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 605 transitions. [2019-11-06 21:49:21,800 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 605 transitions. Word has length 182 [2019-11-06 21:49:21,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 21:49:21,801 INFO L462 AbstractCegarLoop]: Abstraction has 454 states and 605 transitions. [2019-11-06 21:49:21,801 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-06 21:49:21,801 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 605 transitions. [2019-11-06 21:49:21,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2019-11-06 21:49:21,806 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:49:21,807 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 21:49:21,807 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:49:21,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:49:21,808 INFO L82 PathProgramCache]: Analyzing trace with hash 34062624, now seen corresponding path program 1 times [2019-11-06 21:49:21,808 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:49:21,808 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432974103] [2019-11-06 21:49:21,808 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:49:21,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:23,431 WARN L191 SmtUtils]: Spent 1.48 s on a formula simplification that was a NOOP. DAG size: 541 [2019-11-06 21:49:23,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:23,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:23,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:23,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:23,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:23,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:23,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:23,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:23,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:23,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:23,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:23,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:23,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:23,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:23,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:23,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:23,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:23,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:23,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:23,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:23,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:23,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:23,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:23,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:23,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:23,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:23,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:23,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:23,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:23,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:49:23,831 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-11-06 21:49:23,832 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432974103] [2019-11-06 21:49:23,832 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:49:23,832 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-11-06 21:49:23,832 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899148281] [2019-11-06 21:49:23,834 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-06 21:49:23,835 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:49:23,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-06 21:49:23,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2019-11-06 21:49:23,836 INFO L87 Difference]: Start difference. First operand 454 states and 605 transitions. Second operand 12 states. [2019-11-06 21:49:28,590 WARN L191 SmtUtils]: Spent 1.50 s on a formula simplification that was a NOOP. DAG size: 544 [2019-11-06 21:49:40,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 21:49:40,431 INFO L93 Difference]: Finished difference Result 1015 states and 1433 transitions. [2019-11-06 21:49:40,431 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-11-06 21:49:40,431 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 183 [2019-11-06 21:49:40,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 21:49:40,443 INFO L225 Difference]: With dead ends: 1015 [2019-11-06 21:49:40,443 INFO L226 Difference]: Without dead ends: 782 [2019-11-06 21:49:40,446 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=176, Invalid=376, Unknown=0, NotChecked=0, Total=552 [2019-11-06 21:49:40,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 782 states. [2019-11-06 21:49:40,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 782 to 456. [2019-11-06 21:49:40,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 456 states. [2019-11-06 21:49:40,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 607 transitions. [2019-11-06 21:49:40,639 INFO L78 Accepts]: Start accepts. Automaton has 456 states and 607 transitions. Word has length 183 [2019-11-06 21:49:40,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 21:49:40,639 INFO L462 AbstractCegarLoop]: Abstraction has 456 states and 607 transitions. [2019-11-06 21:49:40,639 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-06 21:49:40,640 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 607 transitions. [2019-11-06 21:49:40,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2019-11-06 21:49:40,643 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:49:40,643 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 21:49:40,644 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:49:40,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:49:40,644 INFO L82 PathProgramCache]: Analyzing trace with hash 2105837044, now seen corresponding path program 1 times [2019-11-06 21:49:40,644 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:49:40,645 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155452735] [2019-11-06 21:49:40,645 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:49:40,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat