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_spec8_product12.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:03:52,054 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:03:52,056 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:03:52,071 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:03:52,071 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:03:52,073 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:03:52,074 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:03:52,084 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:03:52,086 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:03:52,087 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:03:52,089 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:03:52,092 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:03:52,093 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:03:52,094 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:03:52,096 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:03:52,099 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:03:52,100 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:03:52,101 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:03:52,102 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:03:52,104 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:03:52,106 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:03:52,107 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:03:52,108 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:03:52,109 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:03:52,111 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:03:52,111 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:03:52,111 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:03:52,112 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:03:52,113 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:03:52,113 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:03:52,114 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:03:52,115 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:03:52,115 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:03:52,116 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:03:52,117 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:03:52,117 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:03:52,118 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:03:52,118 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:03:52,118 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:03:52,119 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:03:52,123 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:03:52,123 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 [2019-09-20 13:03:52,138 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:03:52,138 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:03:52,139 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 13:03:52,140 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 13:03:52,140 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 13:03:52,140 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:03:52,140 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:03:52,141 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 13:03:52,141 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:03:52,141 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:03:52,141 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:03:52,141 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:03:52,142 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:03:52,142 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:03:52,142 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:03:52,142 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 13:03:52,143 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:03:52,143 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:03:52,143 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:03:52,143 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 13:03:52,143 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 13:03:52,144 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:03:52,144 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:03:52,144 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:03:52,144 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 13:03:52,145 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 13:03:52,145 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:03:52,145 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 13:03:52,145 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:03:52,176 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:03:52,188 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:03:52,192 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:03:52,193 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:03:52,194 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:03:52,195 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec8_product12.cil.c [2019-09-20 13:03:52,256 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/429d57276/04923dec425a402dad64dbe5b2af93bb/FLAG7bab27c32 [2019-09-20 13:03:52,854 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:03:52,856 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec8_product12.cil.c [2019-09-20 13:03:52,882 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/429d57276/04923dec425a402dad64dbe5b2af93bb/FLAG7bab27c32 [2019-09-20 13:03:53,047 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/429d57276/04923dec425a402dad64dbe5b2af93bb [2019-09-20 13:03:53,057 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:03:53,059 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:03:53,060 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:03:53,060 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:03:53,063 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:03:53,064 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:03:53" (1/1) ... [2019-09-20 13:03:53,066 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@741914c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:03:53, skipping insertion in model container [2019-09-20 13:03:53,067 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:03:53" (1/1) ... [2019-09-20 13:03:53,075 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:03:53,166 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:03:53,904 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:03:53,930 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:03:54,063 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:03:54,144 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:03:54,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:03:54 WrapperNode [2019-09-20 13:03:54,145 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:03:54,146 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:03:54,146 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:03:54,146 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:03:54,161 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:03:54" (1/1) ... [2019-09-20 13:03:54,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:03:54" (1/1) ... [2019-09-20 13:03:54,207 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:03:54" (1/1) ... [2019-09-20 13:03:54,207 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:03:54" (1/1) ... [2019-09-20 13:03:54,268 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:03:54" (1/1) ... [2019-09-20 13:03:54,293 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:03:54" (1/1) ... [2019-09-20 13:03:54,319 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:03:54" (1/1) ... [2019-09-20 13:03:54,347 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:03:54,351 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:03:54,351 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:03:54,351 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:03:54,352 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:03:54" (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 [2019-09-20 13:03:54,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:03:54,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:03:54,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 13:03:54,425 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 13:03:54,425 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 13:03:54,425 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 13:03:54,425 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 13:03:54,425 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 13:03:54,426 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 13:03:54,426 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-09-20 13:03:54,426 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-09-20 13:03:54,426 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-09-20 13:03:54,427 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-09-20 13:03:54,427 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-09-20 13:03:54,427 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-09-20 13:03:54,427 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-09-20 13:03:54,428 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-09-20 13:03:54,428 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 13:03:54,428 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:03:54,428 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-09-20 13:03:54,429 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-09-20 13:03:54,429 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-09-20 13:03:54,430 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-09-20 13:03:54,431 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-09-20 13:03:54,431 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-09-20 13:03:54,431 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-09-20 13:03:54,431 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-09-20 13:03:54,431 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-09-20 13:03:54,432 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 13:03:54,432 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 13:03:54,432 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 13:03:54,432 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 13:03:54,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 13:03:54,433 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 13:03:54,433 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-09-20 13:03:54,433 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-09-20 13:03:54,433 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-09-20 13:03:54,433 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-09-20 13:03:54,433 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-09-20 13:03:54,434 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-09-20 13:03:54,434 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-09-20 13:03:54,434 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-09-20 13:03:54,434 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-09-20 13:03:54,434 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-09-20 13:03:54,435 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-09-20 13:03:54,435 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-09-20 13:03:54,435 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-09-20 13:03:54,436 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-09-20 13:03:54,436 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-09-20 13:03:54,436 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-09-20 13:03:54,436 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-09-20 13:03:54,436 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-09-20 13:03:54,436 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-09-20 13:03:54,437 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-09-20 13:03:54,437 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-09-20 13:03:54,437 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__1 [2019-09-20 13:03:54,437 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__2 [2019-09-20 13:03:54,437 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-09-20 13:03:54,438 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-09-20 13:03:54,438 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-09-20 13:03:54,438 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-09-20 13:03:54,439 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-09-20 13:03:54,439 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-09-20 13:03:54,439 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-09-20 13:03:54,439 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-09-20 13:03:54,439 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-09-20 13:03:54,440 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-09-20 13:03:54,440 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-09-20 13:03:54,440 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-09-20 13:03:54,441 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-09-20 13:03:54,441 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-09-20 13:03:54,441 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-09-20 13:03:54,441 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-09-20 13:03:54,442 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-09-20 13:03:54,442 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-09-20 13:03:54,443 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-09-20 13:03:54,443 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-09-20 13:03:54,443 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-09-20 13:03:54,443 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-09-20 13:03:54,443 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-09-20 13:03:54,444 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-09-20 13:03:54,444 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-09-20 13:03:54,445 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-09-20 13:03:54,445 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-09-20 13:03:54,445 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-09-20 13:03:54,446 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-09-20 13:03:54,446 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-09-20 13:03:54,447 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-09-20 13:03:54,447 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-09-20 13:03:54,447 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-09-20 13:03:54,448 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-09-20 13:03:54,449 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-09-20 13:03:54,449 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-09-20 13:03:54,449 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-09-20 13:03:54,449 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-09-20 13:03:54,450 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-09-20 13:03:54,450 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-09-20 13:03:54,450 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-09-20 13:03:54,450 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-09-20 13:03:54,450 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-09-20 13:03:54,450 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-09-20 13:03:54,450 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-09-20 13:03:54,451 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-09-20 13:03:54,451 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-09-20 13:03:54,451 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-09-20 13:03:54,451 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-09-20 13:03:54,451 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-09-20 13:03:54,451 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:03:54,452 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:03:54,452 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 13:03:54,452 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:03:54,452 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:03:54,452 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 13:03:54,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:03:54,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:03:54,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:03:54,453 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:03:54,453 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 13:03:54,453 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:03:54,454 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 13:03:54,454 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 13:03:54,454 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:03:54,454 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 13:03:54,455 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 13:03:54,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:03:54,456 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 13:03:54,456 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 13:03:54,456 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-09-20 13:03:54,456 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-09-20 13:03:54,457 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-09-20 13:03:54,457 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-09-20 13:03:54,457 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-09-20 13:03:54,457 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-09-20 13:03:54,458 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-09-20 13:03:54,458 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-09-20 13:03:54,458 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 13:03:54,458 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 13:03:54,458 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 13:03:54,458 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-09-20 13:03:54,459 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-09-20 13:03:54,462 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-09-20 13:03:54,466 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-09-20 13:03:54,466 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-09-20 13:03:54,467 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-09-20 13:03:54,472 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-09-20 13:03:54,473 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-09-20 13:03:54,473 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-09-20 13:03:54,473 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-09-20 13:03:54,473 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-09-20 13:03:54,473 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 13:03:54,473 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 13:03:54,474 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:03:54,474 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-09-20 13:03:54,474 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-09-20 13:03:54,474 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-09-20 13:03:54,475 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-09-20 13:03:54,475 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-09-20 13:03:54,475 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-09-20 13:03:54,476 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-09-20 13:03:54,476 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-09-20 13:03:54,476 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-09-20 13:03:54,476 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-09-20 13:03:54,476 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-09-20 13:03:54,476 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-09-20 13:03:54,477 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 13:03:54,477 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 13:03:54,477 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-09-20 13:03:54,477 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-09-20 13:03:54,477 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-09-20 13:03:54,478 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-09-20 13:03:54,478 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-09-20 13:03:54,478 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-09-20 13:03:54,478 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-09-20 13:03:54,478 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-09-20 13:03:54,478 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-09-20 13:03:54,479 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-09-20 13:03:54,479 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-09-20 13:03:54,479 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-09-20 13:03:54,479 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-09-20 13:03:54,479 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-09-20 13:03:54,479 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-09-20 13:03:54,479 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-09-20 13:03:54,480 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-09-20 13:03:54,480 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-09-20 13:03:54,480 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-09-20 13:03:54,480 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-09-20 13:03:54,480 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-09-20 13:03:54,480 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__1 [2019-09-20 13:03:54,481 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__2 [2019-09-20 13:03:54,481 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-09-20 13:03:54,481 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-09-20 13:03:54,481 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-09-20 13:03:54,481 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-09-20 13:03:54,482 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-09-20 13:03:54,482 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-09-20 13:03:54,482 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-09-20 13:03:54,482 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-09-20 13:03:54,482 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-09-20 13:03:54,483 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-09-20 13:03:54,483 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-09-20 13:03:54,483 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-09-20 13:03:54,483 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-09-20 13:03:54,483 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-09-20 13:03:54,483 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-09-20 13:03:54,483 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-09-20 13:03:54,484 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-09-20 13:03:54,484 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-09-20 13:03:54,484 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-09-20 13:03:54,485 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-09-20 13:03:54,486 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-09-20 13:03:54,486 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-09-20 13:03:54,486 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-09-20 13:03:54,486 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-09-20 13:03:54,486 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-09-20 13:03:54,487 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-09-20 13:03:54,487 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-09-20 13:03:54,487 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-09-20 13:03:54,487 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-09-20 13:03:54,488 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-09-20 13:03:54,488 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-09-20 13:03:54,488 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-09-20 13:03:54,488 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-09-20 13:03:54,488 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-09-20 13:03:54,488 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-09-20 13:03:54,488 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-09-20 13:03:54,488 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-09-20 13:03:54,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:03:54,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:03:54,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:03:56,887 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:03:56,887 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-20 13:03:56,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:03:56 BoogieIcfgContainer [2019-09-20 13:03:56,890 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:03:56,893 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:03:56,893 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:03:56,896 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:03:56,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:03:53" (1/3) ... [2019-09-20 13:03:56,898 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34af7099 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:03:56, skipping insertion in model container [2019-09-20 13:03:56,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:03:54" (2/3) ... [2019-09-20 13:03:56,898 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34af7099 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:03:56, skipping insertion in model container [2019-09-20 13:03:56,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:03:56" (3/3) ... [2019-09-20 13:03:56,901 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec8_product12.cil.c [2019-09-20 13:03:56,912 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:03:56,925 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:03:56,945 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:03:56,989 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-20 13:03:56,990 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:03:56,990 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-20 13:03:56,990 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:03:56,991 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:03:56,991 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:03:56,991 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:03:56,991 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:03:56,991 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:03:57,030 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states. [2019-09-20 13:03:57,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-09-20 13:03:57,063 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:03:57,065 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:03:57,068 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:03:57,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:03:57,075 INFO L82 PathProgramCache]: Analyzing trace with hash 469498935, now seen corresponding path program 1 times [2019-09-20 13:03:57,077 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:03:57,077 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:03:57,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:03:57,144 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:03:57,144 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:03:57,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:03:57,658 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-20 13:03:57,660 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:03:57,661 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-20 13:03:57,665 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-20 13:03:57,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-20 13:03:57,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:03:57,682 INFO L87 Difference]: Start difference. First operand 428 states. Second operand 2 states. [2019-09-20 13:03:57,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:03:57,739 INFO L93 Difference]: Finished difference Result 565 states and 753 transitions. [2019-09-20 13:03:57,739 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-20 13:03:57,740 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 145 [2019-09-20 13:03:57,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:03:57,761 INFO L225 Difference]: With dead ends: 565 [2019-09-20 13:03:57,761 INFO L226 Difference]: Without dead ends: 383 [2019-09-20 13:03:57,767 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:03:57,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2019-09-20 13:03:57,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 383. [2019-09-20 13:03:57,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2019-09-20 13:03:57,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 514 transitions. [2019-09-20 13:03:57,849 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 514 transitions. Word has length 145 [2019-09-20 13:03:57,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:03:57,851 INFO L475 AbstractCegarLoop]: Abstraction has 383 states and 514 transitions. [2019-09-20 13:03:57,851 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-20 13:03:57,851 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 514 transitions. [2019-09-20 13:03:57,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-09-20 13:03:57,855 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:03:57,856 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:03:57,856 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:03:57,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:03:57,857 INFO L82 PathProgramCache]: Analyzing trace with hash 312738911, now seen corresponding path program 1 times [2019-09-20 13:03:57,857 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:03:57,857 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:03:57,861 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:03:57,862 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:03:57,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:03:57,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:03:58,118 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-20 13:03:58,119 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:03:58,119 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:03:58,124 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:03:58,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:03:58,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:03:58,126 INFO L87 Difference]: Start difference. First operand 383 states and 514 transitions. Second operand 3 states. [2019-09-20 13:03:58,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:03:58,176 INFO L93 Difference]: Finished difference Result 548 states and 722 transitions. [2019-09-20 13:03:58,177 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:03:58,177 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 146 [2019-09-20 13:03:58,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:03:58,182 INFO L225 Difference]: With dead ends: 548 [2019-09-20 13:03:58,182 INFO L226 Difference]: Without dead ends: 386 [2019-09-20 13:03:58,185 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:03:58,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2019-09-20 13:03:58,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 385. [2019-09-20 13:03:58,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 385 states. [2019-09-20 13:03:58,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 516 transitions. [2019-09-20 13:03:58,233 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 516 transitions. Word has length 146 [2019-09-20 13:03:58,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:03:58,234 INFO L475 AbstractCegarLoop]: Abstraction has 385 states and 516 transitions. [2019-09-20 13:03:58,234 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:03:58,234 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 516 transitions. [2019-09-20 13:03:58,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2019-09-20 13:03:58,236 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:03:58,237 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:03:58,237 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:03:58,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:03:58,237 INFO L82 PathProgramCache]: Analyzing trace with hash 19675627, now seen corresponding path program 1 times [2019-09-20 13:03:58,238 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:03:58,238 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:03:58,241 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:03:58,242 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:03:58,242 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:03:58,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:03:58,427 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-20 13:03:58,428 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:03:58,428 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:03:58,429 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:03:58,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:03:58,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:03:58,431 INFO L87 Difference]: Start difference. First operand 385 states and 516 transitions. Second operand 3 states. [2019-09-20 13:03:58,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:03:58,491 INFO L93 Difference]: Finished difference Result 744 states and 1027 transitions. [2019-09-20 13:03:58,491 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:03:58,491 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 152 [2019-09-20 13:03:58,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:03:58,495 INFO L225 Difference]: With dead ends: 744 [2019-09-20 13:03:58,496 INFO L226 Difference]: Without dead ends: 424 [2019-09-20 13:03:58,499 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:03:58,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2019-09-20 13:03:58,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 423. [2019-09-20 13:03:58,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 423 states. [2019-09-20 13:03:58,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 582 transitions. [2019-09-20 13:03:58,523 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 582 transitions. Word has length 152 [2019-09-20 13:03:58,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:03:58,523 INFO L475 AbstractCegarLoop]: Abstraction has 423 states and 582 transitions. [2019-09-20 13:03:58,524 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:03:58,524 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 582 transitions. [2019-09-20 13:03:58,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-09-20 13:03:58,527 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:03:58,527 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:03:58,527 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:03:58,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:03:58,528 INFO L82 PathProgramCache]: Analyzing trace with hash 1390914625, now seen corresponding path program 1 times [2019-09-20 13:03:58,528 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:03:58,528 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:03:58,532 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:03:58,532 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:03:58,532 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:03:58,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:03:58,800 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-09-20 13:03:58,800 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:03:58,801 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:03:58,801 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:03:58,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:03:58,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:03:58,802 INFO L87 Difference]: Start difference. First operand 423 states and 582 transitions. Second operand 3 states. [2019-09-20 13:03:58,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:03:58,832 INFO L93 Difference]: Finished difference Result 639 states and 870 transitions. [2019-09-20 13:03:58,832 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:03:58,832 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2019-09-20 13:03:58,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:03:58,837 INFO L225 Difference]: With dead ends: 639 [2019-09-20 13:03:58,837 INFO L226 Difference]: Without dead ends: 484 [2019-09-20 13:03:58,839 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:03:58,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2019-09-20 13:03:58,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 484. [2019-09-20 13:03:58,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 484 states. [2019-09-20 13:03:58,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 664 transitions. [2019-09-20 13:03:58,887 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 664 transitions. Word has length 153 [2019-09-20 13:03:58,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:03:58,894 INFO L475 AbstractCegarLoop]: Abstraction has 484 states and 664 transitions. [2019-09-20 13:03:58,894 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:03:58,894 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 664 transitions. [2019-09-20 13:03:58,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2019-09-20 13:03:58,908 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:03:58,908 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-09-20 13:03:58,909 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:03:58,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:03:58,909 INFO L82 PathProgramCache]: Analyzing trace with hash -1588169878, now seen corresponding path program 1 times [2019-09-20 13:03:58,909 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:03:58,910 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:03:58,916 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:03:58,916 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:03:58,916 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:03:59,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:03:59,517 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 16 proven. 8 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2019-09-20 13:03:59,518 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:03:59,518 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:03:59,742 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:00,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:00,189 INFO L256 TraceCheckSpWp]: Trace formula consists of 2659 conjuncts, 8 conjunts are in the unsatisfiable core [2019-09-20 13:04:00,210 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:04:00,598 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2019-09-20 13:04:00,607 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:04:00,608 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [21] total 28 [2019-09-20 13:04:00,609 INFO L454 AbstractCegarLoop]: Interpolant automaton has 28 states [2019-09-20 13:04:00,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2019-09-20 13:04:00,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=692, Unknown=0, NotChecked=0, Total=756 [2019-09-20 13:04:00,610 INFO L87 Difference]: Start difference. First operand 484 states and 664 transitions. Second operand 28 states. [2019-09-20 13:04:12,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:12,837 INFO L93 Difference]: Finished difference Result 2290 states and 3154 transitions. [2019-09-20 13:04:12,838 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2019-09-20 13:04:12,838 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 249 [2019-09-20 13:04:12,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:12,851 INFO L225 Difference]: With dead ends: 2290 [2019-09-20 13:04:12,851 INFO L226 Difference]: Without dead ends: 1836 [2019-09-20 13:04:12,858 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 373 GetRequests, 265 SyntacticMatches, 0 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3381 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=859, Invalid=11131, Unknown=0, NotChecked=0, Total=11990 [2019-09-20 13:04:12,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1836 states. [2019-09-20 13:04:12,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1836 to 1657. [2019-09-20 13:04:12,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1657 states. [2019-09-20 13:04:12,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1657 states to 1657 states and 2276 transitions. [2019-09-20 13:04:12,980 INFO L78 Accepts]: Start accepts. Automaton has 1657 states and 2276 transitions. Word has length 249 [2019-09-20 13:04:12,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:12,981 INFO L475 AbstractCegarLoop]: Abstraction has 1657 states and 2276 transitions. [2019-09-20 13:04:12,981 INFO L476 AbstractCegarLoop]: Interpolant automaton has 28 states. [2019-09-20 13:04:12,981 INFO L276 IsEmpty]: Start isEmpty. Operand 1657 states and 2276 transitions. [2019-09-20 13:04:12,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2019-09-20 13:04:12,990 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:12,990 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-09-20 13:04:12,990 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:12,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:12,991 INFO L82 PathProgramCache]: Analyzing trace with hash -1650213319, now seen corresponding path program 1 times [2019-09-20 13:04:12,991 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:12,991 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:12,995 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:12,995 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:12,995 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:13,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:13,174 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-09-20 13:04:13,175 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:04:13,175 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-20 13:04:13,176 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-20 13:04:13,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-20 13:04:13,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:04:13,176 INFO L87 Difference]: Start difference. First operand 1657 states and 2276 transitions. Second operand 5 states. [2019-09-20 13:04:13,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:13,252 INFO L93 Difference]: Finished difference Result 2488 states and 3363 transitions. [2019-09-20 13:04:13,252 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-20 13:04:13,253 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 254 [2019-09-20 13:04:13,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:13,262 INFO L225 Difference]: With dead ends: 2488 [2019-09-20 13:04:13,263 INFO L226 Difference]: Without dead ends: 1612 [2019-09-20 13:04:13,266 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:04:13,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1612 states. [2019-09-20 13:04:13,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1612 to 1612. [2019-09-20 13:04:13,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1612 states. [2019-09-20 13:04:13,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1612 states to 1612 states and 2203 transitions. [2019-09-20 13:04:13,355 INFO L78 Accepts]: Start accepts. Automaton has 1612 states and 2203 transitions. Word has length 254 [2019-09-20 13:04:13,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:13,356 INFO L475 AbstractCegarLoop]: Abstraction has 1612 states and 2203 transitions. [2019-09-20 13:04:13,356 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-20 13:04:13,356 INFO L276 IsEmpty]: Start isEmpty. Operand 1612 states and 2203 transitions. [2019-09-20 13:04:13,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2019-09-20 13:04:13,364 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:13,365 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-09-20 13:04:13,365 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:13,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:13,365 INFO L82 PathProgramCache]: Analyzing trace with hash -462876860, now seen corresponding path program 1 times [2019-09-20 13:04:13,365 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:13,366 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:13,369 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:13,370 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:13,370 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:13,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:13,764 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 16 proven. 8 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2019-09-20 13:04:13,764 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:04:13,765 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:04:14,073 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:14,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:14,621 INFO L256 TraceCheckSpWp]: Trace formula consists of 2661 conjuncts, 6 conjunts are in the unsatisfiable core [2019-09-20 13:04:14,634 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:04:14,871 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (3)] Exception during sending of exit command (exit): Stream closed [2019-09-20 13:04:14,888 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:04:14,889 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [17] total 22 [2019-09-20 13:04:14,893 INFO L454 AbstractCegarLoop]: Interpolant automaton has 22 states [2019-09-20 13:04:14,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2019-09-20 13:04:14,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=417, Unknown=0, NotChecked=0, Total=462 [2019-09-20 13:04:14,894 INFO L87 Difference]: Start difference. First operand 1612 states and 2203 transitions. Second operand 22 states. [2019-09-20 13:04:25,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:25,353 INFO L93 Difference]: Finished difference Result 3737 states and 5106 transitions. [2019-09-20 13:04:25,353 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2019-09-20 13:04:25,353 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 251 [2019-09-20 13:04:25,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:25,362 INFO L225 Difference]: With dead ends: 3737 [2019-09-20 13:04:25,363 INFO L226 Difference]: Without dead ends: 2170 [2019-09-20 13:04:25,372 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 366 GetRequests, 269 SyntacticMatches, 0 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2813 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=752, Invalid=8950, Unknown=0, NotChecked=0, Total=9702 [2019-09-20 13:04:25,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2170 states. [2019-09-20 13:04:25,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2170 to 1616. [2019-09-20 13:04:25,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1616 states. [2019-09-20 13:04:25,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1616 states to 1616 states and 2208 transitions. [2019-09-20 13:04:25,474 INFO L78 Accepts]: Start accepts. Automaton has 1616 states and 2208 transitions. Word has length 251 [2019-09-20 13:04:25,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:25,478 INFO L475 AbstractCegarLoop]: Abstraction has 1616 states and 2208 transitions. [2019-09-20 13:04:25,478 INFO L476 AbstractCegarLoop]: Interpolant automaton has 22 states. [2019-09-20 13:04:25,478 INFO L276 IsEmpty]: Start isEmpty. Operand 1616 states and 2208 transitions. [2019-09-20 13:04:25,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2019-09-20 13:04:25,488 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:25,489 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-09-20 13:04:25,489 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:25,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:25,490 INFO L82 PathProgramCache]: Analyzing trace with hash -1626697277, now seen corresponding path program 1 times [2019-09-20 13:04:25,490 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:25,490 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:25,494 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:25,494 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:25,495 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:25,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:25,859 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 19 proven. 3 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2019-09-20 13:04:25,860 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:04:25,860 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000