/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_spec27_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 21:42:51,410 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 21:42:51,413 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 21:42:51,431 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 21:42:51,431 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 21:42:51,433 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 21:42:51,435 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 21:42:51,447 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 21:42:51,449 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 21:42:51,450 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 21:42:51,453 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 21:42:51,455 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 21:42:51,455 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 21:42:51,458 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 21:42:51,460 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 21:42:51,462 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 21:42:51,463 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 21:42:51,465 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 21:42:51,466 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 21:42:51,468 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 21:42:51,469 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 21:42:51,470 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 21:42:51,471 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 21:42:51,472 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 21:42:51,474 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-06 21:42:51,474 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-06 21:42:51,474 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-06 21:42:51,475 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-06 21:42:51,475 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-06 21:42:51,476 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-06 21:42:51,476 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-06 21:42:51,477 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-06 21:42:51,478 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-06 21:42:51,478 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-06 21:42:51,479 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-06 21:42:51,480 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-06 21:42:51,480 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-06 21:42:51,480 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-06 21:42:51,481 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 21:42:51,482 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 21:42:51,482 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 21:42:51,483 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 21:42:51,501 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 21:42:51,501 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 21:42:51,504 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 21:42:51,504 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 21:42:51,504 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 21:42:51,504 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 21:42:51,505 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 21:42:51,505 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 21:42:51,505 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 21:42:51,505 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 21:42:51,506 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 21:42:51,506 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 21:42:51,507 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 21:42:51,507 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 21:42:51,507 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 21:42:51,507 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 21:42:51,508 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 21:42:51,508 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 21:42:51,508 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 21:42:51,508 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 21:42:51,509 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 21:42:51,509 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 21:42:51,509 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 21:42:51,509 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 21:42:51,509 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 21:42:51,510 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 21:42:51,510 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 21:42:51,510 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 21:42:51,510 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 21:42:51,792 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 21:42:51,812 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 21:42:51,816 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 21:42:51,817 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 21:42:51,818 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 21:42:51,819 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec27_product28.cil.c [2019-11-06 21:42:51,894 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b221e0db/33bcacf4284b4c9e80c38cb4202da979/FLAG1865ef843 [2019-11-06 21:42:52,496 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 21:42:52,497 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec27_product28.cil.c [2019-11-06 21:42:52,519 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b221e0db/33bcacf4284b4c9e80c38cb4202da979/FLAG1865ef843 [2019-11-06 21:42:52,696 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5b221e0db/33bcacf4284b4c9e80c38cb4202da979 [2019-11-06 21:42:52,708 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 21:42:52,709 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 21:42:52,710 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 21:42:52,710 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 21:42:52,714 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 21:42:52,715 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:42:52" (1/1) ... [2019-11-06 21:42:52,717 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3891ba11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:42:52, skipping insertion in model container [2019-11-06 21:42:52,718 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:42:52" (1/1) ... [2019-11-06 21:42:52,724 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 21:42:52,803 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 21:42:53,501 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:42:53,519 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 21:42:53,773 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:42:53,867 INFO L192 MainTranslator]: Completed translation [2019-11-06 21:42:53,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:42:53 WrapperNode [2019-11-06 21:42:53,868 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 21:42:53,869 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 21:42:53,869 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 21:42:53,869 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 21:42:53,882 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:42:53" (1/1) ... [2019-11-06 21:42:53,883 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:42:53" (1/1) ... [2019-11-06 21:42:53,914 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:42:53" (1/1) ... [2019-11-06 21:42:53,914 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:42:53" (1/1) ... [2019-11-06 21:42:53,972 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:42:53" (1/1) ... [2019-11-06 21:42:54,002 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:42:53" (1/1) ... [2019-11-06 21:42:54,015 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:42:53" (1/1) ... [2019-11-06 21:42:54,043 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 21:42:54,044 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 21:42:54,044 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 21:42:54,044 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 21:42:54,045 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:42:53" (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 21:42:54,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 21:42:54,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 21:42:54,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-06 21:42:54,130 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__VerifyForward_spec__1 [2019-11-06 21:42:54,131 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-11-06 21:42:54,131 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-11-06 21:42:54,132 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-11-06 21:42:54,132 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-11-06 21:42:54,132 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-11-06 21:42:54,132 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-11-06 21:42:54,133 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-11-06 21:42:54,133 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-11-06 21:42:54,134 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-06 21:42:54,134 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 21:42:54,135 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-11-06 21:42:54,135 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-11-06 21:42:54,137 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-11-06 21:42:54,138 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-11-06 21:42:54,138 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-11-06 21:42:54,138 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-11-06 21:42:54,138 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-11-06 21:42:54,139 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-11-06 21:42:54,139 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-11-06 21:42:54,139 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-11-06 21:42:54,139 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Encrypt [2019-11-06 21:42:54,140 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2019-11-06 21:42:54,140 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-11-06 21:42:54,140 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-11-06 21:42:54,140 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-11-06 21:42:54,140 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-11-06 21:42:54,142 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-11-06 21:42:54,142 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-06 21:42:54,142 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-06 21:42:54,142 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-06 21:42:54,143 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-06 21:42:54,143 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-06 21:42:54,143 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-06 21:42:54,143 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-11-06 21:42:54,144 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-11-06 21:42:54,144 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-11-06 21:42:54,144 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-11-06 21:42:54,144 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-11-06 21:42:54,145 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-11-06 21:42:54,145 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-11-06 21:42:54,145 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-11-06 21:42:54,145 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-11-06 21:42:54,145 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-11-06 21:42:54,146 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-11-06 21:42:54,146 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-11-06 21:42:54,146 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-11-06 21:42:54,146 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-11-06 21:42:54,146 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-11-06 21:42:54,146 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-11-06 21:42:54,147 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-11-06 21:42:54,147 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-11-06 21:42:54,147 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-11-06 21:42:54,147 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-11-06 21:42:54,147 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-11-06 21:42:54,147 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-11-06 21:42:54,149 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-11-06 21:42:54,149 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2019-11-06 21:42:54,150 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-11-06 21:42:54,150 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-11-06 21:42:54,150 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-11-06 21:42:54,150 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-11-06 21:42:54,150 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-11-06 21:42:54,151 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-11-06 21:42:54,151 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-11-06 21:42:54,151 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-11-06 21:42:54,152 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-11-06 21:42:54,153 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-11-06 21:42:54,153 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-11-06 21:42:54,153 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-11-06 21:42:54,154 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-11-06 21:42:54,155 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-11-06 21:42:54,155 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-11-06 21:42:54,155 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-06 21:42:54,155 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-11-06 21:42:54,155 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-06 21:42:54,156 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-06 21:42:54,156 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-06 21:42:54,156 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-06 21:42:54,157 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-11-06 21:42:54,157 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-11-06 21:42:54,157 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-11-06 21:42:54,157 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-11-06 21:42:54,158 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-11-06 21:42:54,158 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-11-06 21:42:54,158 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-11-06 21:42:54,158 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-11-06 21:42:54,158 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-11-06 21:42:54,159 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-11-06 21:42:54,160 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-11-06 21:42:54,160 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-11-06 21:42:54,160 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-11-06 21:42:54,160 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-11-06 21:42:54,160 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-11-06 21:42:54,160 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-11-06 21:42:54,161 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-11-06 21:42:54,161 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-11-06 21:42:54,161 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-11-06 21:42:54,161 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-11-06 21:42:54,161 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-11-06 21:42:54,161 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-11-06 21:42:54,162 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-11-06 21:42:54,162 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-11-06 21:42:54,162 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-11-06 21:42:54,162 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-11-06 21:42:54,162 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-11-06 21:42:54,163 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-11-06 21:42:54,163 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-11-06 21:42:54,163 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-06 21:42:54,163 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 21:42:54,163 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 21:42:54,163 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-06 21:42:54,164 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-06 21:42:54,164 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-11-06 21:42:54,164 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-11-06 21:42:54,164 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-11-06 21:42:54,165 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__VerifyForward_spec__1 [2019-11-06 21:42:54,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-06 21:42:54,165 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-06 21:42:54,166 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-11-06 21:42:54,166 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-11-06 21:42:54,167 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-11-06 21:42:54,167 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-11-06 21:42:54,167 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-11-06 21:42:54,167 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-11-06 21:42:54,167 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-11-06 21:42:54,167 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-06 21:42:54,168 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-06 21:42:54,168 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-06 21:42:54,168 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-11-06 21:42:54,168 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-11-06 21:42:54,169 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-11-06 21:42:54,169 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-11-06 21:42:54,169 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-11-06 21:42:54,170 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-11-06 21:42:54,170 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-11-06 21:42:54,171 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-11-06 21:42:54,174 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-11-06 21:42:54,174 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-11-06 21:42:54,175 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-11-06 21:42:54,175 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-06 21:42:54,181 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-06 21:42:54,183 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 21:42:54,183 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-11-06 21:42:54,183 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-11-06 21:42:54,183 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-11-06 21:42:54,183 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-11-06 21:42:54,183 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-11-06 21:42:54,184 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-11-06 21:42:54,184 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-11-06 21:42:54,184 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-11-06 21:42:54,184 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-11-06 21:42:54,184 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-11-06 21:42:54,184 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-11-06 21:42:54,184 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-11-06 21:42:54,184 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-11-06 21:42:54,185 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-11-06 21:42:54,185 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-11-06 21:42:54,185 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-11-06 21:42:54,185 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-11-06 21:42:54,185 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-11-06 21:42:54,185 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-11-06 21:42:54,185 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-11-06 21:42:54,185 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-11-06 21:42:54,185 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-11-06 21:42:54,186 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-11-06 21:42:54,186 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-11-06 21:42:54,186 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-11-06 21:42:54,186 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Encrypt [2019-11-06 21:42:54,186 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2019-11-06 21:42:54,186 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-11-06 21:42:54,186 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-06 21:42:54,186 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-06 21:42:54,187 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-06 21:42:54,187 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-06 21:42:54,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-06 21:42:54,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-06 21:42:54,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-06 21:42:54,187 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-06 21:42:54,187 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-06 21:42:54,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-06 21:42:54,188 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-06 21:42:54,188 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-06 21:42:54,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-06 21:42:54,188 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-06 21:42:54,188 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-06 21:42:54,188 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-06 21:42:54,188 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-11-06 21:42:54,188 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-11-06 21:42:54,189 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-11-06 21:42:54,189 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-11-06 21:42:54,189 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-11-06 21:42:54,189 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-11-06 21:42:54,189 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-11-06 21:42:54,190 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-11-06 21:42:54,190 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-11-06 21:42:54,190 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-11-06 21:42:54,191 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-11-06 21:42:54,191 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-11-06 21:42:54,191 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-11-06 21:42:54,191 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-11-06 21:42:54,191 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-11-06 21:42:54,191 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-11-06 21:42:54,191 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-11-06 21:42:54,191 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-11-06 21:42:54,192 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-11-06 21:42:54,192 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-11-06 21:42:54,192 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-11-06 21:42:54,192 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-11-06 21:42:54,192 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-11-06 21:42:54,192 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2019-11-06 21:42:54,192 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-11-06 21:42:54,192 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-11-06 21:42:54,193 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-11-06 21:42:54,193 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-06 21:42:54,193 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-11-06 21:42:54,193 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-11-06 21:42:54,193 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-11-06 21:42:54,193 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-11-06 21:42:54,193 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-11-06 21:42:54,193 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-11-06 21:42:54,193 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-11-06 21:42:54,194 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-11-06 21:42:54,194 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-11-06 21:42:54,194 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-11-06 21:42:54,194 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-11-06 21:42:54,194 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-11-06 21:42:54,194 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-11-06 21:42:54,194 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-11-06 21:42:54,194 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-11-06 21:42:54,195 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-11-06 21:42:54,195 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-11-06 21:42:54,195 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-11-06 21:42:54,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 21:42:54,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-06 21:42:54,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 21:42:56,260 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 21:42:56,260 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-06 21:42:56,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:42:56 BoogieIcfgContainer [2019-11-06 21:42:56,263 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 21:42:56,264 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 21:42:56,264 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 21:42:56,267 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 21:42:56,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:42:52" (1/3) ... [2019-11-06 21:42:56,269 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f1e1d8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:42:56, skipping insertion in model container [2019-11-06 21:42:56,269 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:42:53" (2/3) ... [2019-11-06 21:42:56,269 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f1e1d8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:42:56, skipping insertion in model container [2019-11-06 21:42:56,269 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:42:56" (3/3) ... [2019-11-06 21:42:56,271 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec27_product28.cil.c [2019-11-06 21:42:56,281 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 21:42:56,296 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 21:42:56,307 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 21:42:56,353 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 21:42:56,353 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 21:42:56,353 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 21:42:56,353 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 21:42:56,353 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 21:42:56,354 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 21:42:56,354 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 21:42:56,354 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 21:42:56,395 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states. [2019-11-06 21:42:56,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2019-11-06 21:42:56,419 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:42:56,421 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 21:42:56,423 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:42:56,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:42:56,429 INFO L82 PathProgramCache]: Analyzing trace with hash -938769841, now seen corresponding path program 1 times [2019-11-06 21:42:56,438 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:42:56,438 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647439205] [2019-11-06 21:42:56,439 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:42:56,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:58,920 WARN L191 SmtUtils]: Spent 1.83 s on a formula simplification that was a NOOP. DAG size: 547 [2019-11-06 21:42:58,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:58,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:58,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:58,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:59,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:59,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:59,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:59,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:59,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:59,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:59,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:59,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:59,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:59,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:59,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:59,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:59,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:59,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:59,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:59,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:59,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:59,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:59,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:59,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:59,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:59,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:59,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:59,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:59,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:59,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:59,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:59,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:59,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:59,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:59,406 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2019-11-06 21:42:59,407 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647439205] [2019-11-06 21:42:59,408 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:42:59,408 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-11-06 21:42:59,409 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953036886] [2019-11-06 21:42:59,414 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-06 21:42:59,414 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:42:59,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-06 21:42:59,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2019-11-06 21:42:59,430 INFO L87 Difference]: Start difference. First operand 511 states. Second operand 12 states. [2019-11-06 21:43:18,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 21:43:18,662 INFO L93 Difference]: Finished difference Result 1442 states and 2262 transitions. [2019-11-06 21:43:18,664 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2019-11-06 21:43:18,665 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 209 [2019-11-06 21:43:18,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 21:43:18,694 INFO L225 Difference]: With dead ends: 1442 [2019-11-06 21:43:18,694 INFO L226 Difference]: Without dead ends: 890 [2019-11-06 21:43:18,708 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2489 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=1215, Invalid=5427, Unknown=0, NotChecked=0, Total=6642 [2019-11-06 21:43:18,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 890 states. [2019-11-06 21:43:18,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 890 to 465. [2019-11-06 21:43:18,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 465 states. [2019-11-06 21:43:19,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 620 transitions. [2019-11-06 21:43:19,002 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 620 transitions. Word has length 209 [2019-11-06 21:43:19,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 21:43:19,003 INFO L462 AbstractCegarLoop]: Abstraction has 465 states and 620 transitions. [2019-11-06 21:43:19,003 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-06 21:43:19,004 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 620 transitions. [2019-11-06 21:43:19,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2019-11-06 21:43:19,009 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:43:19,010 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 21:43:19,010 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:43:19,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:43:19,010 INFO L82 PathProgramCache]: Analyzing trace with hash 102873513, now seen corresponding path program 1 times [2019-11-06 21:43:19,011 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:43:19,011 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084494557] [2019-11-06 21:43:19,011 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:43:19,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:43:20,688 WARN L191 SmtUtils]: Spent 1.48 s on a formula simplification that was a NOOP. DAG size: 547 [2019-11-06 21:43:20,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:43:20,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:43:20,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:43:20,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:43:20,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:43:20,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:43:20,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:43:20,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:43:20,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:43:20,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:43:20,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:43:20,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:43:20,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:43:20,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:43:20,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:43:20,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:43:20,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:43:20,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:43:20,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:43:20,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:43:21,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:43:21,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:43:21,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:43:21,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:43:21,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:43:21,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:43:21,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:43:21,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:43:21,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:43:21,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:43:21,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:43:21,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:43:21,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:43:21,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:43:21,235 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2019-11-06 21:43:21,236 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084494557] [2019-11-06 21:43:21,236 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:43:21,236 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-11-06 21:43:21,236 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511055688] [2019-11-06 21:43:21,250 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-11-06 21:43:21,250 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:43:21,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-06 21:43:21,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2019-11-06 21:43:21,258 INFO L87 Difference]: Start difference. First operand 465 states and 620 transitions. Second operand 13 states. [2019-11-06 21:43:26,159 WARN L191 SmtUtils]: Spent 1.46 s on a formula simplification that was a NOOP. DAG size: 550