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_spec0_product10.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 23:23:25,544 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 23:23:25,547 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 23:23:25,559 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 23:23:25,559 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 23:23:25,561 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 23:23:25,562 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 23:23:25,564 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 23:23:25,565 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 23:23:25,566 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 23:23:25,567 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 23:23:25,568 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 23:23:25,569 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 23:23:25,570 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 23:23:25,571 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 23:23:25,572 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 23:23:25,573 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 23:23:25,573 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 23:23:25,575 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 23:23:25,577 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 23:23:25,579 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 23:23:25,580 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 23:23:25,581 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 23:23:25,582 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 23:23:25,584 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 23:23:25,584 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 23:23:25,585 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 23:23:25,586 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 23:23:25,586 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 23:23:25,587 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 23:23:25,587 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 23:23:25,588 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 23:23:25,588 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 23:23:25,589 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 23:23:25,590 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 23:23:25,590 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 23:23:25,591 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 23:23:25,591 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 23:23:25,591 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 23:23:25,592 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 23:23:25,593 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 23:23:25,594 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-14 23:23:25,608 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 23:23:25,608 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 23:23:25,609 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 23:23:25,609 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 23:23:25,610 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 23:23:25,610 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 23:23:25,610 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 23:23:25,610 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 23:23:25,610 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 23:23:25,611 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 23:23:25,611 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 23:23:25,611 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 23:23:25,611 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 23:23:25,611 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 23:23:25,612 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 23:23:25,612 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 23:23:25,612 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 23:23:25,612 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 23:23:25,612 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 23:23:25,612 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 23:23:25,613 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 23:23:25,613 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:23:25,613 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 23:23:25,613 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 23:23:25,614 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 23:23:25,614 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 23:23:25,614 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 23:23:25,614 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 23:23:25,614 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 23:23:25,937 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 23:23:25,959 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 23:23:25,962 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 23:23:25,965 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 23:23:25,965 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 23:23:25,966 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec0_product10.cil.c [2019-10-14 23:23:26,043 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a56ba08af/fcb1f8707b444c24988b57c6d45f41e5/FLAG8703d745b [2019-10-14 23:23:26,681 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 23:23:26,682 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec0_product10.cil.c [2019-10-14 23:23:26,719 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a56ba08af/fcb1f8707b444c24988b57c6d45f41e5/FLAG8703d745b [2019-10-14 23:23:26,958 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a56ba08af/fcb1f8707b444c24988b57c6d45f41e5 [2019-10-14 23:23:26,970 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 23:23:26,971 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 23:23:26,972 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 23:23:26,973 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 23:23:26,976 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 23:23:26,978 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:23:26" (1/1) ... [2019-10-14 23:23:26,981 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58a4c172 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:23:26, skipping insertion in model container [2019-10-14 23:23:26,981 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:23:26" (1/1) ... [2019-10-14 23:23:26,988 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 23:23:27,065 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 23:23:27,726 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:23:27,747 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 23:23:27,897 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:23:27,977 INFO L192 MainTranslator]: Completed translation [2019-10-14 23:23:27,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:23:27 WrapperNode [2019-10-14 23:23:27,978 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 23:23:27,979 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 23:23:27,980 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 23:23:27,980 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 23:23:28,000 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:23:27" (1/1) ... [2019-10-14 23:23:28,000 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:23:27" (1/1) ... [2019-10-14 23:23:28,063 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:23:27" (1/1) ... [2019-10-14 23:23:28,064 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:23:27" (1/1) ... [2019-10-14 23:23:28,152 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:23:27" (1/1) ... [2019-10-14 23:23:28,188 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:23:27" (1/1) ... [2019-10-14 23:23:28,207 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:23:27" (1/1) ... [2019-10-14 23:23:28,229 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 23:23:28,230 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 23:23:28,230 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 23:23:28,230 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 23:23:28,231 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:23:27" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:23:28,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 23:23:28,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 23:23:28,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-14 23:23:28,304 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-14 23:23:28,304 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-14 23:23:28,305 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-14 23:23:28,305 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-14 23:23:28,306 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-14 23:23:28,306 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-14 23:23:28,306 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptForward_spec__1 [2019-10-14 23:23:28,306 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-14 23:23:28,307 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-14 23:23:28,307 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-14 23:23:28,307 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-14 23:23:28,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-14 23:23:28,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-14 23:23:28,311 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-14 23:23:28,312 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-14 23:23:28,312 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-14 23:23:28,312 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Base [2019-10-14 23:23:28,312 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AutoResponder [2019-10-14 23:23:28,313 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-14 23:23:28,313 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-14 23:23:28,313 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-14 23:23:28,313 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-14 23:23:28,313 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-14 23:23:28,313 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-14 23:23:28,314 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-14 23:23:28,314 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-14 23:23:28,314 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-14 23:23:28,314 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-14 23:23:28,314 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-14 23:23:28,314 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-14 23:23:28,315 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-14 23:23:28,315 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-14 23:23:28,316 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-14 23:23:28,316 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 23:23:28,316 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-14 23:23:28,317 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-14 23:23:28,317 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-14 23:23:28,317 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-14 23:23:28,317 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-14 23:23:28,317 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-14 23:23:28,318 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-14 23:23:28,318 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-14 23:23:28,318 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-14 23:23:28,318 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-14 23:23:28,318 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-14 23:23:28,318 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-14 23:23:28,319 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-14 23:23:28,319 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-14 23:23:28,319 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-14 23:23:28,319 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-14 23:23:28,319 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-14 23:23:28,320 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-14 23:23:28,320 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-14 23:23:28,320 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-14 23:23:28,320 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-14 23:23:28,320 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-14 23:23:28,321 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-14 23:23:28,321 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-14 23:23:28,321 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-14 23:23:28,321 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-14 23:23:28,322 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-14 23:23:28,322 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-14 23:23:28,322 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-14 23:23:28,322 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-14 23:23:28,322 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-14 23:23:28,323 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-14 23:23:28,323 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-14 23:23:28,323 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-14 23:23:28,323 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-14 23:23:28,323 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-14 23:23:28,324 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-14 23:23:28,324 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-14 23:23:28,325 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-14 23:23:28,325 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-14 23:23:28,325 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-14 23:23:28,325 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-14 23:23:28,325 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-14 23:23:28,325 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-14 23:23:28,326 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-14 23:23:28,326 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-14 23:23:28,326 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-14 23:23:28,326 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-14 23:23:28,326 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-14 23:23:28,326 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-14 23:23:28,327 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-14 23:23:28,327 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-14 23:23:28,327 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-14 23:23:28,327 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-14 23:23:28,327 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-14 23:23:28,328 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-14 23:23:28,328 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-14 23:23:28,328 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 23:23:28,328 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 23:23:28,328 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-14 23:23:28,329 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-14 23:23:28,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 23:23:28,329 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-14 23:23:28,329 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-14 23:23:28,329 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-14 23:23:28,330 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-14 23:23:28,330 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-14 23:23:28,330 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-14 23:23:28,330 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-14 23:23:28,330 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptForward_spec__1 [2019-10-14 23:23:28,330 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-14 23:23:28,331 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 23:23:28,331 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 23:23:28,331 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-14 23:23:28,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 23:23:28,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 23:23:28,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 23:23:28,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 23:23:28,332 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-14 23:23:28,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 23:23:28,332 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-14 23:23:28,332 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-14 23:23:28,333 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 23:23:28,333 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-14 23:23:28,333 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-14 23:23:28,333 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-14 23:23:28,333 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-14 23:23:28,333 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-14 23:23:28,334 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-14 23:23:28,334 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-14 23:23:28,334 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-14 23:23:28,334 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-14 23:23:28,334 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-14 23:23:28,335 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-14 23:23:28,335 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-14 23:23:28,335 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-14 23:23:28,335 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-14 23:23:28,335 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-14 23:23:28,335 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-14 23:23:28,336 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-14 23:23:28,336 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-14 23:23:28,336 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-14 23:23:28,336 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-14 23:23:28,336 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-14 23:23:28,337 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-14 23:23:28,337 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-14 23:23:28,337 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-14 23:23:28,337 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-14 23:23:28,337 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Base [2019-10-14 23:23:28,338 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AutoResponder [2019-10-14 23:23:28,338 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-14 23:23:28,338 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-14 23:23:28,338 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-14 23:23:28,338 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-14 23:23:28,339 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-14 23:23:28,339 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-14 23:23:28,339 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-14 23:23:28,339 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-14 23:23:28,339 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-14 23:23:28,339 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-14 23:23:28,340 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 23:23:28,340 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-14 23:23:28,340 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-14 23:23:28,340 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-14 23:23:28,340 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-14 23:23:28,340 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-14 23:23:28,341 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-14 23:23:28,341 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-14 23:23:28,341 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-14 23:23:28,341 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-14 23:23:28,341 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-14 23:23:28,341 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-14 23:23:28,342 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-14 23:23:28,342 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-14 23:23:28,342 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-14 23:23:28,342 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-14 23:23:28,342 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-14 23:23:28,342 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-14 23:23:28,343 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-14 23:23:28,343 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-14 23:23:28,343 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-14 23:23:28,343 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-14 23:23:28,343 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-14 23:23:28,343 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-14 23:23:28,344 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-14 23:23:28,344 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-14 23:23:28,344 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-14 23:23:28,344 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-14 23:23:28,344 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-14 23:23:28,344 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-14 23:23:28,345 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-14 23:23:28,345 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-14 23:23:28,345 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-14 23:23:28,345 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-14 23:23:28,345 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-14 23:23:28,345 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-14 23:23:28,346 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-14 23:23:28,346 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-14 23:23:28,346 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-14 23:23:28,346 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-14 23:23:28,346 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-14 23:23:28,346 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-14 23:23:28,347 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-14 23:23:28,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 23:23:28,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 23:23:28,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 23:23:30,231 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 23:23:30,231 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-14 23:23:30,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:23:30 BoogieIcfgContainer [2019-10-14 23:23:30,233 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 23:23:30,234 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 23:23:30,235 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 23:23:30,238 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 23:23:30,239 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:23:26" (1/3) ... [2019-10-14 23:23:30,240 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@382d6c7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:23:30, skipping insertion in model container [2019-10-14 23:23:30,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:23:27" (2/3) ... [2019-10-14 23:23:30,240 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@382d6c7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:23:30, skipping insertion in model container [2019-10-14 23:23:30,240 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:23:30" (3/3) ... [2019-10-14 23:23:30,242 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec0_product10.cil.c [2019-10-14 23:23:30,254 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 23:23:30,264 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 23:23:30,276 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 23:23:30,305 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 23:23:30,305 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 23:23:30,305 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 23:23:30,306 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 23:23:30,306 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 23:23:30,306 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 23:23:30,306 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 23:23:30,306 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 23:23:30,343 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states. [2019-10-14 23:23:30,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2019-10-14 23:23:30,365 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:23:30,367 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2019-10-14 23:23:30,370 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:23:30,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:23:30,377 INFO L82 PathProgramCache]: Analyzing trace with hash 1528307460, now seen corresponding path program 1 times [2019-10-14 23:23:30,386 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:23:30,386 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072423681] [2019-10-14 23:23:30,386 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:23:30,386 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:23:30,387 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:23:30,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:32,426 WARN L191 SmtUtils]: Spent 1.45 s on a formula simplification that was a NOOP. DAG size: 505 [2019-10-14 23:23:32,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:32,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:32,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:32,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:32,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:32,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:32,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:32,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:32,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:32,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:32,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:32,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:32,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:32,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:32,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:32,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:32,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:32,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:32,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:32,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:32,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:32,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:32,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:32,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:32,777 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-14 23:23:32,778 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072423681] [2019-10-14 23:23:32,779 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:23:32,779 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-14 23:23:32,780 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281465734] [2019-10-14 23:23:32,785 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-14 23:23:32,787 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:23:32,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-14 23:23:32,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2019-10-14 23:23:32,817 INFO L87 Difference]: Start difference. First operand 260 states. Second operand 9 states. [2019-10-14 23:23:38,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:23:38,861 INFO L93 Difference]: Finished difference Result 637 states and 896 transitions. [2019-10-14 23:23:38,861 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-10-14 23:23:38,863 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 141 [2019-10-14 23:23:38,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:23:38,898 INFO L225 Difference]: With dead ends: 637 [2019-10-14 23:23:38,898 INFO L226 Difference]: Without dead ends: 407 [2019-10-14 23:23:38,913 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=127, Invalid=253, Unknown=0, NotChecked=0, Total=380 [2019-10-14 23:23:38,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2019-10-14 23:23:39,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 247. [2019-10-14 23:23:39,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 247 states. [2019-10-14 23:23:39,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 309 transitions. [2019-10-14 23:23:39,083 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 309 transitions. Word has length 141 [2019-10-14 23:23:39,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:23:39,084 INFO L462 AbstractCegarLoop]: Abstraction has 247 states and 309 transitions. [2019-10-14 23:23:39,084 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-14 23:23:39,085 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 309 transitions. [2019-10-14 23:23:39,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-10-14 23:23:39,089 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:23:39,089 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2019-10-14 23:23:39,090 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:23:39,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:23:39,090 INFO L82 PathProgramCache]: Analyzing trace with hash 842452669, now seen corresponding path program 1 times [2019-10-14 23:23:39,090 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:23:39,090 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511390478] [2019-10-14 23:23:39,091 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:23:39,091 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:23:39,091 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:23:39,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:40,649 WARN L191 SmtUtils]: Spent 1.39 s on a formula simplification that was a NOOP. DAG size: 505 [2019-10-14 23:23:40,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:40,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:40,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:40,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:40,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:40,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:40,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:40,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:40,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:40,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:40,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:40,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:40,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:40,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:40,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:40,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:40,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:40,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:40,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:40,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:40,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:40,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:40,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:40,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:40,963 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-14 23:23:40,964 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511390478] [2019-10-14 23:23:40,964 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:23:40,964 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-14 23:23:40,964 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778973791] [2019-10-14 23:23:40,967 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-14 23:23:40,967 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:23:40,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-14 23:23:40,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-14 23:23:40,968 INFO L87 Difference]: Start difference. First operand 247 states and 309 transitions. Second operand 10 states. [2019-10-14 23:23:43,555 WARN L191 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 508 [2019-10-14 23:23:49,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:23:49,103 INFO L93 Difference]: Finished difference Result 562 states and 738 transitions. [2019-10-14 23:23:49,103 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-14 23:23:49,103 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 142 [2019-10-14 23:23:49,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:23:49,108 INFO L225 Difference]: With dead ends: 562 [2019-10-14 23:23:49,108 INFO L226 Difference]: Without dead ends: 410 [2019-10-14 23:23:49,110 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=105, Invalid=201, Unknown=0, NotChecked=0, Total=306 [2019-10-14 23:23:49,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2019-10-14 23:23:49,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 249. [2019-10-14 23:23:49,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249 states. [2019-10-14 23:23:49,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 311 transitions. [2019-10-14 23:23:49,231 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 311 transitions. Word has length 142 [2019-10-14 23:23:49,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:23:49,231 INFO L462 AbstractCegarLoop]: Abstraction has 249 states and 311 transitions. [2019-10-14 23:23:49,232 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-14 23:23:49,232 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 311 transitions. [2019-10-14 23:23:49,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2019-10-14 23:23:49,234 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:23:49,234 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 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] [2019-10-14 23:23:49,235 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:23:49,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:23:49,235 INFO L82 PathProgramCache]: Analyzing trace with hash 515777855, now seen corresponding path program 1 times [2019-10-14 23:23:49,235 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:23:49,236 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037665557] [2019-10-14 23:23:49,236 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:23:49,236 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:23:49,236 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:23:49,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:50,724 WARN L191 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 505 [2019-10-14 23:23:50,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:50,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:50,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:50,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:50,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:50,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:50,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:50,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:50,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:50,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:50,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:50,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:50,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:50,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:50,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:50,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:50,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:50,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:50,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:50,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:50,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:50,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:50,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:50,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:23:51,026 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-10-14 23:23:51,027 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037665557] [2019-10-14 23:23:51,027 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:23:51,027 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-10-14 23:23:51,028 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079117428] [2019-10-14 23:23:51,028 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-10-14 23:23:51,029 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:23:51,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-10-14 23:23:51,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-10-14 23:23:51,029 INFO L87 Difference]: Start difference. First operand 249 states and 311 transitions. Second operand 13 states. [2019-10-14 23:23:52,889 WARN L191 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 507 [2019-10-14 23:23:59,631 WARN L191 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 509 [2019-10-14 23:24:01,065 WARN L191 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 509 [2019-10-14 23:24:02,379 WARN L191 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 509 [2019-10-14 23:24:04,871 WARN L191 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 507 [2019-10-14 23:24:06,313 WARN L191 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 508