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/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/product-lines/email_spec11_product10.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 02:39:01,287 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 02:39:01,290 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 02:39:01,302 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 02:39:01,302 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 02:39:01,303 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 02:39:01,305 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 02:39:01,316 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 02:39:01,318 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 02:39:01,319 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 02:39:01,320 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 02:39:01,321 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 02:39:01,322 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 02:39:01,322 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 02:39:01,323 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 02:39:01,324 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 02:39:01,325 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 02:39:01,326 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 02:39:01,327 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 02:39:01,329 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 02:39:01,330 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 02:39:01,331 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 02:39:01,332 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 02:39:01,333 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 02:39:01,335 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 02:39:01,335 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 02:39:01,335 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 02:39:01,336 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 02:39:01,337 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 02:39:01,338 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 02:39:01,338 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 02:39:01,339 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 02:39:01,339 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 02:39:01,340 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 02:39:01,341 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 02:39:01,341 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 02:39:01,342 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 02:39:01,342 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 02:39:01,342 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 02:39:01,343 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 02:39:01,344 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 02:39:01,345 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-10 02:39:01,359 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 02:39:01,360 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 02:39:01,360 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 02:39:01,360 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 02:39:01,361 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 02:39:01,361 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 02:39:01,361 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 02:39:01,361 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 02:39:01,362 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 02:39:01,362 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 02:39:01,362 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 02:39:01,363 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 02:39:01,363 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 02:39:01,363 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 02:39:01,363 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 02:39:01,363 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 02:39:01,364 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 02:39:01,364 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 02:39:01,364 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 02:39:01,364 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 02:39:01,364 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 02:39:01,365 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 02:39:01,365 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 02:39:01,365 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 02:39:01,365 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 02:39:01,365 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 02:39:01,366 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 02:39:01,366 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 02:39:01,366 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 02:39:01,366 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 02:39:01,396 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 02:39:01,408 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 02:39:01,413 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 02:39:01,414 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 02:39:01,415 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 02:39:01,416 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec11_product10.cil.c [2019-09-10 02:39:01,484 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38744853c/1a3199705b6144b1b4b14c484c6ad93d/FLAG205a53edb [2019-09-10 02:39:02,118 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 02:39:02,119 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec11_product10.cil.c [2019-09-10 02:39:02,139 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38744853c/1a3199705b6144b1b4b14c484c6ad93d/FLAG205a53edb [2019-09-10 02:39:02,299 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38744853c/1a3199705b6144b1b4b14c484c6ad93d [2019-09-10 02:39:02,309 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 02:39:02,315 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 02:39:02,316 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 02:39:02,317 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 02:39:02,320 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 02:39:02,321 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:39:02" (1/1) ... [2019-09-10 02:39:02,324 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7eda333b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:39:02, skipping insertion in model container [2019-09-10 02:39:02,324 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:39:02" (1/1) ... [2019-09-10 02:39:02,332 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 02:39:02,421 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 02:39:03,150 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:39:03,178 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 02:39:03,346 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:39:03,426 INFO L192 MainTranslator]: Completed translation [2019-09-10 02:39:03,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:39:03 WrapperNode [2019-09-10 02:39:03,427 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 02:39:03,428 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 02:39:03,428 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 02:39:03,428 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 02:39:03,442 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:39:03" (1/1) ... [2019-09-10 02:39:03,442 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:39:03" (1/1) ... [2019-09-10 02:39:03,493 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:39:03" (1/1) ... [2019-09-10 02:39:03,494 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:39:03" (1/1) ... [2019-09-10 02:39:03,563 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:39:03" (1/1) ... [2019-09-10 02:39:03,594 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:39:03" (1/1) ... [2019-09-10 02:39:03,611 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:39:03" (1/1) ... [2019-09-10 02:39:03,643 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 02:39:03,644 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 02:39:03,644 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 02:39:03,644 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 02:39:03,648 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:39:03" (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 [2019-09-10 02:39:03,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 02:39:03,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 02:39:03,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-10 02:39:03,730 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-09-10 02:39:03,730 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-09-10 02:39:03,730 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-09-10 02:39:03,730 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-09-10 02:39:03,731 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-09-10 02:39:03,731 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-09-10 02:39:03,731 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-09-10 02:39:03,731 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-09-10 02:39:03,732 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-09-10 02:39:03,732 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-09-10 02:39:03,733 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-09-10 02:39:03,733 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-09-10 02:39:03,734 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-09-10 02:39:03,734 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-09-10 02:39:03,735 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-09-10 02:39:03,735 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-09-10 02:39:03,735 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-09-10 02:39:03,735 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-09-10 02:39:03,735 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-09-10 02:39:03,736 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-09-10 02:39:03,736 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-09-10 02:39:03,736 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-09-10 02:39:03,737 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-09-10 02:39:03,737 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-09-10 02:39:03,737 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-09-10 02:39:03,737 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-09-10 02:39:03,737 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-09-10 02:39:03,737 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-09-10 02:39:03,737 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-09-10 02:39:03,738 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-09-10 02:39:03,738 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-09-10 02:39:03,738 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-09-10 02:39:03,738 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-09-10 02:39:03,738 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-09-10 02:39:03,738 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-09-10 02:39:03,739 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-09-10 02:39:03,739 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-09-10 02:39:03,739 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-09-10 02:39:03,739 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-09-10 02:39:03,739 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-09-10 02:39:03,739 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-09-10 02:39:03,739 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-09-10 02:39:03,740 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-09-10 02:39:03,740 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-09-10 02:39:03,740 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-09-10 02:39:03,740 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-09-10 02:39:03,740 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-09-10 02:39:03,740 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-09-10 02:39:03,740 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-09-10 02:39:03,741 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-09-10 02:39:03,741 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-09-10 02:39:03,741 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-09-10 02:39:03,741 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-09-10 02:39:03,741 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-09-10 02:39:03,741 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Base [2019-09-10 02:39:03,742 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AutoResponder [2019-09-10 02:39:03,742 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-09-10 02:39:03,742 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-09-10 02:39:03,742 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-09-10 02:39:03,743 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-09-10 02:39:03,743 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-09-10 02:39:03,743 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-09-10 02:39:03,743 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-09-10 02:39:03,744 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-09-10 02:39:03,744 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-09-10 02:39:03,744 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-10 02:39:03,744 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-10 02:39:03,744 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-10 02:39:03,744 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-10 02:39:03,744 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-10 02:39:03,745 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-10 02:39:03,745 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-10 02:39:03,745 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-09-10 02:39:03,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-10 02:39:03,746 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-09-10 02:39:03,746 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-09-10 02:39:03,746 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-09-10 02:39:03,747 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-09-10 02:39:03,747 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-09-10 02:39:03,747 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-10 02:39:03,747 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 02:39:03,747 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-09-10 02:39:03,748 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-09-10 02:39:03,748 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-09-10 02:39:03,749 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-09-10 02:39:03,749 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-09-10 02:39:03,750 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-09-10 02:39:03,750 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-10 02:39:03,750 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-10 02:39:03,750 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-10 02:39:03,751 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-10 02:39:03,751 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 02:39:03,751 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 02:39:03,751 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-09-10 02:39:03,752 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-09-10 02:39:03,752 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-09-10 02:39:03,752 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-09-10 02:39:03,752 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-09-10 02:39:03,752 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-09-10 02:39:03,752 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-09-10 02:39:03,753 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-09-10 02:39:03,753 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-09-10 02:39:03,753 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-09-10 02:39:03,753 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-09-10 02:39:03,753 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-09-10 02:39:03,754 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-09-10 02:39:03,754 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-09-10 02:39:03,754 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-09-10 02:39:03,754 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-09-10 02:39:03,754 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-09-10 02:39:03,755 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-09-10 02:39:03,755 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-09-10 02:39:03,755 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-09-10 02:39:03,755 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-09-10 02:39:03,756 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-10 02:39:03,757 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-09-10 02:39:03,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 02:39:03,757 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-09-10 02:39:03,757 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-09-10 02:39:03,758 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-09-10 02:39:03,759 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-09-10 02:39:03,759 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-09-10 02:39:03,759 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-09-10 02:39:03,759 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-09-10 02:39:03,759 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-09-10 02:39:03,760 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-09-10 02:39:03,760 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-09-10 02:39:03,760 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-09-10 02:39:03,761 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-09-10 02:39:03,761 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-09-10 02:39:03,761 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-09-10 02:39:03,762 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-09-10 02:39:03,762 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-09-10 02:39:03,762 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-09-10 02:39:03,762 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-09-10 02:39:03,763 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-09-10 02:39:03,766 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-09-10 02:39:03,767 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-09-10 02:39:03,767 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-09-10 02:39:03,768 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-09-10 02:39:03,774 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-09-10 02:39:03,774 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-09-10 02:39:03,775 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-09-10 02:39:03,775 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-09-10 02:39:03,775 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-09-10 02:39:03,776 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-09-10 02:39:03,776 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-09-10 02:39:03,776 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-09-10 02:39:03,777 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-09-10 02:39:03,777 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-09-10 02:39:03,777 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-09-10 02:39:03,777 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-09-10 02:39:03,777 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-09-10 02:39:03,777 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-09-10 02:39:03,778 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-09-10 02:39:03,778 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-09-10 02:39:03,778 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-09-10 02:39:03,778 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-09-10 02:39:03,778 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-09-10 02:39:03,779 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-09-10 02:39:03,779 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-09-10 02:39:03,779 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Base [2019-09-10 02:39:03,779 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AutoResponder [2019-09-10 02:39:03,779 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-09-10 02:39:03,779 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-09-10 02:39:03,780 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-09-10 02:39:03,780 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-09-10 02:39:03,780 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-10 02:39:03,780 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-10 02:39:03,780 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 02:39:03,780 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 02:39:03,781 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-10 02:39:03,781 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 02:39:03,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 02:39:03,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 02:39:03,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 02:39:03,781 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-10 02:39:03,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 02:39:03,782 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-10 02:39:03,782 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-10 02:39:03,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 02:39:03,782 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-10 02:39:03,782 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-10 02:39:03,783 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-10 02:39:03,783 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-10 02:39:03,783 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-09-10 02:39:03,783 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-10 02:39:03,783 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-10 02:39:03,783 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-10 02:39:03,784 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-09-10 02:39:03,784 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-09-10 02:39:03,784 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-09-10 02:39:03,784 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-09-10 02:39:03,784 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-10 02:39:03,784 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 02:39:03,785 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-09-10 02:39:03,785 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-10 02:39:03,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 02:39:03,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 02:39:03,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 02:39:05,729 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 02:39:05,729 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-10 02:39:05,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:39:05 BoogieIcfgContainer [2019-09-10 02:39:05,731 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 02:39:05,733 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 02:39:05,733 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 02:39:05,736 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 02:39:05,736 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 02:39:02" (1/3) ... [2019-09-10 02:39:05,737 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33ae13ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:39:05, skipping insertion in model container [2019-09-10 02:39:05,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:39:03" (2/3) ... [2019-09-10 02:39:05,738 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33ae13ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:39:05, skipping insertion in model container [2019-09-10 02:39:05,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:39:05" (3/3) ... [2019-09-10 02:39:05,740 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec11_product10.cil.c [2019-09-10 02:39:05,750 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 02:39:05,761 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 02:39:05,779 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 02:39:05,806 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 02:39:05,806 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 02:39:05,806 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 02:39:05,806 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 02:39:05,806 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 02:39:05,807 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 02:39:05,807 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 02:39:05,807 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 02:39:05,828 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states. [2019-09-10 02:39:05,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2019-09-10 02:39:05,847 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:39:05,848 INFO L399 BasicCegarLoop]: trace histogram [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] [2019-09-10 02:39:05,851 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:39:05,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:39:05,857 INFO L82 PathProgramCache]: Analyzing trace with hash 1890190681, now seen corresponding path program 1 times [2019-09-10 02:39:05,860 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:39:05,915 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:39:05,916 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:39:05,916 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:39:05,916 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:39:06,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:39:06,362 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-09-10 02:39:06,364 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:39:06,364 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-10 02:39:06,364 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:39:06,371 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:39:06,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:39:06,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:39:06,389 INFO L87 Difference]: Start difference. First operand 260 states. Second operand 2 states. [2019-09-10 02:39:06,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:39:06,428 INFO L93 Difference]: Finished difference Result 256 states and 320 transitions. [2019-09-10 02:39:06,428 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:39:06,429 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 127 [2019-09-10 02:39:06,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:39:06,445 INFO L225 Difference]: With dead ends: 256 [2019-09-10 02:39:06,445 INFO L226 Difference]: Without dead ends: 247 [2019-09-10 02:39:06,447 INFO L628 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 [2019-09-10 02:39:06,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2019-09-10 02:39:06,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 247. [2019-09-10 02:39:06,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 247 states. [2019-09-10 02:39:06,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 309 transitions. [2019-09-10 02:39:06,515 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 309 transitions. Word has length 127 [2019-09-10 02:39:06,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:39:06,517 INFO L475 AbstractCegarLoop]: Abstraction has 247 states and 309 transitions. [2019-09-10 02:39:06,517 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:39:06,517 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 309 transitions. [2019-09-10 02:39:06,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2019-09-10 02:39:06,522 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:39:06,522 INFO L399 BasicCegarLoop]: trace histogram [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] [2019-09-10 02:39:06,522 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:39:06,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:39:06,523 INFO L82 PathProgramCache]: Analyzing trace with hash 853966030, now seen corresponding path program 1 times [2019-09-10 02:39:06,523 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:39:06,524 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:39:06,524 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:39:06,525 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:39:06,525 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:39:06,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:39:06,737 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-09-10 02:39:06,737 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:39:06,737 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:39:06,737 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:39:06,739 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:39:06,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:39:06,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:39:06,740 INFO L87 Difference]: Start difference. First operand 247 states and 309 transitions. Second operand 3 states. [2019-09-10 02:39:06,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:39:06,781 INFO L93 Difference]: Finished difference Result 250 states and 312 transitions. [2019-09-10 02:39:06,782 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:39:06,782 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 128 [2019-09-10 02:39:06,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:39:06,788 INFO L225 Difference]: With dead ends: 250 [2019-09-10 02:39:06,789 INFO L226 Difference]: Without dead ends: 250 [2019-09-10 02:39:06,790 INFO L628 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 [2019-09-10 02:39:06,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2019-09-10 02:39:06,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 249. [2019-09-10 02:39:06,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249 states. [2019-09-10 02:39:06,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 311 transitions. [2019-09-10 02:39:06,833 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 311 transitions. Word has length 128 [2019-09-10 02:39:06,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:39:06,834 INFO L475 AbstractCegarLoop]: Abstraction has 249 states and 311 transitions. [2019-09-10 02:39:06,834 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:39:06,834 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 311 transitions. [2019-09-10 02:39:06,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-09-10 02:39:06,846 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:39:06,846 INFO L399 BasicCegarLoop]: trace histogram [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] [2019-09-10 02:39:06,846 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:39:06,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:39:06,847 INFO L82 PathProgramCache]: Analyzing trace with hash 1532370260, now seen corresponding path program 1 times [2019-09-10 02:39:06,847 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:39:06,852 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:39:06,853 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:39:06,853 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:39:06,853 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:39:06,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:39:07,226 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-09-10 02:39:07,226 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:39:07,226 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-10 02:39:07,227 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:39:07,229 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-10 02:39:07,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-10 02:39:07,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-10 02:39:07,230 INFO L87 Difference]: Start difference. First operand 249 states and 311 transitions. Second operand 6 states. [2019-09-10 02:39:07,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:39:07,630 INFO L93 Difference]: Finished difference Result 458 states and 579 transitions. [2019-09-10 02:39:07,630 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-10 02:39:07,630 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 133 [2019-09-10 02:39:07,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:39:07,643 INFO L225 Difference]: With dead ends: 458 [2019-09-10 02:39:07,644 INFO L226 Difference]: Without dead ends: 458 [2019-09-10 02:39:07,644 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-10 02:39:07,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2019-09-10 02:39:07,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 449. [2019-09-10 02:39:07,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 449 states. [2019-09-10 02:39:07,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 571 transitions. [2019-09-10 02:39:07,679 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 571 transitions. Word has length 133 [2019-09-10 02:39:07,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:39:07,680 INFO L475 AbstractCegarLoop]: Abstraction has 449 states and 571 transitions. [2019-09-10 02:39:07,681 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-10 02:39:07,681 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 571 transitions. [2019-09-10 02:39:07,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2019-09-10 02:39:07,689 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:39:07,692 INFO L399 BasicCegarLoop]: trace histogram [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] [2019-09-10 02:39:07,692 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:39:07,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:39:07,693 INFO L82 PathProgramCache]: Analyzing trace with hash 1592223707, now seen corresponding path program 1 times [2019-09-10 02:39:07,693 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:39:07,694 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:39:07,694 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:39:07,694 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:39:07,695 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:39:07,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:39:07,940 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-09-10 02:39:07,940 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:39:07,940 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-10 02:39:07,940 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:39:07,943 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-10 02:39:07,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-10 02:39:07,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-10 02:39:07,944 INFO L87 Difference]: Start difference. First operand 449 states and 571 transitions. Second operand 6 states. [2019-09-10 02:39:08,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:39:08,272 INFO L93 Difference]: Finished difference Result 868 states and 1111 transitions. [2019-09-10 02:39:08,272 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-10 02:39:08,272 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 134 [2019-09-10 02:39:08,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:39:08,280 INFO L225 Difference]: With dead ends: 868 [2019-09-10 02:39:08,280 INFO L226 Difference]: Without dead ends: 868 [2019-09-10 02:39:08,280 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-10 02:39:08,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 868 states. [2019-09-10 02:39:08,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 868 to 849. [2019-09-10 02:39:08,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 849 states. [2019-09-10 02:39:08,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 849 states to 849 states and 1093 transitions. [2019-09-10 02:39:08,326 INFO L78 Accepts]: Start accepts. Automaton has 849 states and 1093 transitions. Word has length 134 [2019-09-10 02:39:08,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:39:08,327 INFO L475 AbstractCegarLoop]: Abstraction has 849 states and 1093 transitions. [2019-09-10 02:39:08,327 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-10 02:39:08,327 INFO L276 IsEmpty]: Start isEmpty. Operand 849 states and 1093 transitions. [2019-09-10 02:39:08,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-09-10 02:39:08,330 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:39:08,330 INFO L399 BasicCegarLoop]: trace histogram [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] [2019-09-10 02:39:08,331 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:39:08,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:39:08,331 INFO L82 PathProgramCache]: Analyzing trace with hash 270984760, now seen corresponding path program 1 times [2019-09-10 02:39:08,331 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:39:08,332 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:39:08,332 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:39:08,333 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:39:08,333 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:39:08,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:39:08,468 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-09-10 02:39:08,469 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:39:08,469 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-10 02:39:08,469 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:39:08,470 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-10 02:39:08,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-10 02:39:08,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-10 02:39:08,470 INFO L87 Difference]: Start difference. First operand 849 states and 1093 transitions. Second operand 6 states. [2019-09-10 02:39:08,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:39:08,752 INFO L93 Difference]: Finished difference Result 1688 states and 2179 transitions. [2019-09-10 02:39:08,753 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-10 02:39:08,753 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 135 [2019-09-10 02:39:08,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:39:08,764 INFO L225 Difference]: With dead ends: 1688 [2019-09-10 02:39:08,764 INFO L226 Difference]: Without dead ends: 1688 [2019-09-10 02:39:08,764 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-10 02:39:08,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1688 states. [2019-09-10 02:39:08,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1688 to 1649. [2019-09-10 02:39:08,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1649 states. [2019-09-10 02:39:08,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1649 states to 1649 states and 2141 transitions. [2019-09-10 02:39:08,841 INFO L78 Accepts]: Start accepts. Automaton has 1649 states and 2141 transitions. Word has length 135 [2019-09-10 02:39:08,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:39:08,842 INFO L475 AbstractCegarLoop]: Abstraction has 1649 states and 2141 transitions. [2019-09-10 02:39:08,842 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-10 02:39:08,842 INFO L276 IsEmpty]: Start isEmpty. Operand 1649 states and 2141 transitions. [2019-09-10 02:39:08,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-09-10 02:39:08,847 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:39:08,848 INFO L399 BasicCegarLoop]: trace histogram [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] [2019-09-10 02:39:08,848 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:39:08,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:39:08,849 INFO L82 PathProgramCache]: Analyzing trace with hash 1624294457, now seen corresponding path program 1 times [2019-09-10 02:39:08,849 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:39:08,850 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:39:08,850 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:39:08,850 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:39:08,850 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:39:08,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:39:09,064 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-09-10 02:39:09,064 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:39:09,065 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-10 02:39:09,065 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:39:09,066 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-10 02:39:09,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-10 02:39:09,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-10 02:39:09,067 INFO L87 Difference]: Start difference. First operand 1649 states and 2141 transitions. Second operand 8 states. [2019-09-10 02:39:09,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:39:09,131 INFO L93 Difference]: Finished difference Result 1646 states and 2131 transitions. [2019-09-10 02:39:09,132 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-10 02:39:09,132 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 135 [2019-09-10 02:39:09,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:39:09,133 INFO L225 Difference]: With dead ends: 1646 [2019-09-10 02:39:09,133 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 02:39:09,134 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-10 02:39:09,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 02:39:09,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 02:39:09,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 02:39:09,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 02:39:09,138 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 135 [2019-09-10 02:39:09,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:39:09,138 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 02:39:09,139 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-10 02:39:09,139 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 02:39:09,139 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 02:39:09,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 02:39:09 BoogieIcfgContainer [2019-09-10 02:39:09,149 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 02:39:09,154 INFO L168 Benchmark]: Toolchain (without parser) took 6840.49 ms. Allocated memory was 134.2 MB in the beginning and 317.7 MB in the end (delta: 183.5 MB). Free memory was 88.4 MB in the beginning and 240.2 MB in the end (delta: -151.7 MB). Peak memory consumption was 31.8 MB. Max. memory is 7.1 GB. [2019-09-10 02:39:09,156 INFO L168 Benchmark]: CDTParser took 1.17 ms. Allocated memory is still 134.2 MB. Free memory was 108.8 MB in the beginning and 108.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-10 02:39:09,159 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1110.81 ms. Allocated memory was 134.2 MB in the beginning and 203.9 MB in the end (delta: 69.7 MB). Free memory was 88.2 MB in the beginning and 146.6 MB in the end (delta: -58.3 MB). Peak memory consumption was 32.8 MB. Max. memory is 7.1 GB. [2019-09-10 02:39:09,160 INFO L168 Benchmark]: Boogie Preprocessor took 215.82 ms. Allocated memory is still 203.9 MB. Free memory was 146.6 MB in the beginning and 138.7 MB in the end (delta: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 7.1 GB. [2019-09-10 02:39:09,162 INFO L168 Benchmark]: RCFGBuilder took 2087.68 ms. Allocated memory was 203.9 MB in the beginning and 257.4 MB in the end (delta: 53.5 MB). Free memory was 138.7 MB in the beginning and 208.5 MB in the end (delta: -69.8 MB). Peak memory consumption was 95.1 MB. Max. memory is 7.1 GB. [2019-09-10 02:39:09,164 INFO L168 Benchmark]: TraceAbstraction took 3416.38 ms. Allocated memory was 257.4 MB in the beginning and 317.7 MB in the end (delta: 60.3 MB). Free memory was 208.5 MB in the beginning and 240.2 MB in the end (delta: -31.7 MB). Peak memory consumption was 28.6 MB. Max. memory is 7.1 GB. [2019-09-10 02:39:09,177 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.17 ms. Allocated memory is still 134.2 MB. Free memory was 108.8 MB in the beginning and 108.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1110.81 ms. Allocated memory was 134.2 MB in the beginning and 203.9 MB in the end (delta: 69.7 MB). Free memory was 88.2 MB in the beginning and 146.6 MB in the end (delta: -58.3 MB). Peak memory consumption was 32.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 215.82 ms. Allocated memory is still 203.9 MB. Free memory was 146.6 MB in the beginning and 138.7 MB in the end (delta: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2087.68 ms. Allocated memory was 203.9 MB in the beginning and 257.4 MB in the end (delta: 53.5 MB). Free memory was 138.7 MB in the beginning and 208.5 MB in the end (delta: -69.8 MB). Peak memory consumption was 95.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3416.38 ms. Allocated memory was 257.4 MB in the beginning and 317.7 MB in the end (delta: 60.3 MB). Free memory was 208.5 MB in the beginning and 240.2 MB in the end (delta: -31.7 MB). Peak memory consumption was 28.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 2349]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 94 procedures, 622 locations, 1 error locations. SAFE Result, 3.3s OverallTime, 6 OverallIterations, 3 TraceHistogramMax, 1.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1970 SDtfs, 820 SDslu, 5669 SDs, 0 SdLazy, 395 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1649occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 68 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 792 NumberOfCodeBlocks, 792 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 786 ConstructedInterpolants, 0 QuantifiedInterpolants, 141062 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 104/104 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...