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_spec7_product27.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 02:44:51,085 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 02:44:51,087 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 02:44:51,098 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 02:44:51,098 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 02:44:51,099 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 02:44:51,100 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 02:44:51,102 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 02:44:51,104 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 02:44:51,105 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 02:44:51,106 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 02:44:51,107 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 02:44:51,107 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 02:44:51,108 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 02:44:51,109 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 02:44:51,110 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 02:44:51,111 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 02:44:51,112 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 02:44:51,113 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 02:44:51,115 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 02:44:51,117 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 02:44:51,118 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 02:44:51,119 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 02:44:51,120 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 02:44:51,122 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 02:44:51,122 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 02:44:51,122 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 02:44:51,123 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 02:44:51,124 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 02:44:51,125 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 02:44:51,125 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 02:44:51,126 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 02:44:51,126 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 02:44:51,127 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 02:44:51,128 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 02:44:51,128 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 02:44:51,129 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 02:44:51,129 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 02:44:51,129 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 02:44:51,130 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 02:44:51,131 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 02:44:51,131 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 02:44:51,146 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 02:44:51,146 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 02:44:51,147 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 02:44:51,147 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 02:44:51,147 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 02:44:51,148 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 02:44:51,148 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 02:44:51,148 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 02:44:51,148 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 02:44:51,148 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 02:44:51,149 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 02:44:51,149 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 02:44:51,149 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 02:44:51,150 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 02:44:51,150 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 02:44:51,150 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 02:44:51,150 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 02:44:51,150 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 02:44:51,151 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 02:44:51,151 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 02:44:51,151 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 02:44:51,151 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 02:44:51,151 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 02:44:51,152 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 02:44:51,152 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 02:44:51,152 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 02:44:51,152 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 02:44:51,152 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 02:44:51,153 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 02:44:51,153 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 02:44:51,180 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 02:44:51,192 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 02:44:51,195 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 02:44:51,196 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 02:44:51,197 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 02:44:51,197 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec7_product27.cil.c [2019-09-10 02:44:51,256 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f62b870e9/2fed7d53634c4ddfbd3d1034867df9b4/FLAGd9775ab53 [2019-09-10 02:44:51,830 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 02:44:51,830 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec7_product27.cil.c [2019-09-10 02:44:51,856 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f62b870e9/2fed7d53634c4ddfbd3d1034867df9b4/FLAGd9775ab53 [2019-09-10 02:44:52,081 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f62b870e9/2fed7d53634c4ddfbd3d1034867df9b4 [2019-09-10 02:44:52,090 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 02:44:52,092 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 02:44:52,093 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 02:44:52,093 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 02:44:52,096 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 02:44:52,097 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:44:52" (1/1) ... [2019-09-10 02:44:52,100 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30c543f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:44:52, skipping insertion in model container [2019-09-10 02:44:52,100 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:44:52" (1/1) ... [2019-09-10 02:44:52,108 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 02:44:52,185 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 02:44:52,846 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:44:52,874 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 02:44:53,036 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:44:53,175 INFO L192 MainTranslator]: Completed translation [2019-09-10 02:44:53,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:44:53 WrapperNode [2019-09-10 02:44:53,176 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 02:44:53,177 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 02:44:53,178 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 02:44:53,178 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 02:44:53,195 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:44:53" (1/1) ... [2019-09-10 02:44:53,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:44:53" (1/1) ... [2019-09-10 02:44:53,249 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:44:53" (1/1) ... [2019-09-10 02:44:53,250 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:44:53" (1/1) ... [2019-09-10 02:44:53,324 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:44:53" (1/1) ... [2019-09-10 02:44:53,350 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:44:53" (1/1) ... [2019-09-10 02:44:53,371 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:44:53" (1/1) ... [2019-09-10 02:44:53,391 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 02:44:53,394 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 02:44:53,394 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 02:44:53,394 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 02:44:53,395 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:44:53" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 02:44:53,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 02:44:53,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 02:44:53,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-10 02:44:53,463 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-10 02:44:53,464 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-09-10 02:44:53,464 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-09-10 02:44:53,464 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-09-10 02:44:53,464 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-09-10 02:44:53,464 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-09-10 02:44:53,465 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Keys [2019-09-10 02:44:53,465 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-09-10 02:44:53,465 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-09-10 02:44:53,466 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-09-10 02:44:53,466 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-09-10 02:44:53,467 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-09-10 02:44:53,467 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-09-10 02:44:53,468 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-09-10 02:44:53,468 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-09-10 02:44:53,468 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-09-10 02:44:53,468 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-09-10 02:44:53,468 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-09-10 02:44:53,468 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-09-10 02:44:53,469 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-09-10 02:44:53,469 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-09-10 02:44:53,469 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-09-10 02:44:53,470 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-09-10 02:44:53,470 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-09-10 02:44:53,470 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-10 02:44:53,470 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-09-10 02:44:53,471 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-09-10 02:44:53,471 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-09-10 02:44:53,471 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-09-10 02:44:53,471 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-09-10 02:44:53,471 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-09-10 02:44:53,471 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-09-10 02:44:53,471 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-09-10 02:44:53,472 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-09-10 02:44:53,472 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-09-10 02:44:53,472 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-09-10 02:44:53,472 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-09-10 02:44:53,472 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-09-10 02:44:53,472 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-09-10 02:44:53,472 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-09-10 02:44:53,473 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-09-10 02:44:53,473 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-09-10 02:44:53,473 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-09-10 02:44:53,474 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-09-10 02:44:53,474 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-09-10 02:44:53,474 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-09-10 02:44:53,474 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-09-10 02:44:53,474 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-09-10 02:44:53,474 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-09-10 02:44:53,474 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-09-10 02:44:53,475 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-09-10 02:44:53,475 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-09-10 02:44:53,475 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-09-10 02:44:53,475 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-09-10 02:44:53,475 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-10 02:44:53,475 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 02:44:53,475 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-09-10 02:44:53,476 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-09-10 02:44:53,476 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-09-10 02:44:53,476 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-09-10 02:44:53,476 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-09-10 02:44:53,476 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-09-10 02:44:53,477 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-09-10 02:44:53,477 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-09-10 02:44:53,477 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-09-10 02:44:53,477 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-09-10 02:44:53,477 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-09-10 02:44:53,477 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-09-10 02:44:53,477 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-10 02:44:53,478 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-10 02:44:53,478 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-10 02:44:53,478 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-10 02:44:53,479 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-09-10 02:44:53,479 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-09-10 02:44:53,479 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-09-10 02:44:53,479 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-09-10 02:44:53,480 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-09-10 02:44:53,480 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-09-10 02:44:53,480 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-09-10 02:44:53,480 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-09-10 02:44:53,480 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-09-10 02:44:53,480 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-09-10 02:44:53,481 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-09-10 02:44:53,481 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-09-10 02:44:53,481 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-09-10 02:44:53,482 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-09-10 02:44:53,482 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-09-10 02:44:53,482 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-09-10 02:44:53,482 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-09-10 02:44:53,482 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-09-10 02:44:53,482 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-09-10 02:44:53,483 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-09-10 02:44:53,483 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-09-10 02:44:53,483 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-09-10 02:44:53,483 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-09-10 02:44:53,483 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-09-10 02:44:53,483 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-09-10 02:44:53,483 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-09-10 02:44:53,484 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-09-10 02:44:53,484 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-09-10 02:44:53,484 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-09-10 02:44:53,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-10 02:44:53,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-10 02:44:53,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-10 02:44:53,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-10 02:44:53,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-10 02:44:53,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-10 02:44:53,485 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptVerify_spec__1 [2019-09-10 02:44:53,485 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-09-10 02:44:53,485 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-09-10 02:44:53,485 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-09-10 02:44:53,485 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-09-10 02:44:53,486 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-09-10 02:44:53,486 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-09-10 02:44:53,486 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 02:44:53,486 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 02:44:53,486 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-09-10 02:44:53,486 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-09-10 02:44:53,487 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-09-10 02:44:53,487 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-09-10 02:44:53,487 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-09-10 02:44:53,487 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-09-10 02:44:53,487 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-09-10 02:44:53,487 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-09-10 02:44:53,488 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-09-10 02:44:53,488 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-09-10 02:44:53,488 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-09-10 02:44:53,488 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-10 02:44:53,488 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-10 02:44:53,488 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-09-10 02:44:53,488 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-09-10 02:44:53,489 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-09-10 02:44:53,489 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-09-10 02:44:53,489 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-09-10 02:44:53,489 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-09-10 02:44:53,489 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-09-10 02:44:53,489 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-09-10 02:44:53,490 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-09-10 02:44:53,490 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-09-10 02:44:53,490 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-09-10 02:44:53,490 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-09-10 02:44:53,490 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-09-10 02:44:53,490 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-09-10 02:44:53,490 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-09-10 02:44:53,491 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-09-10 02:44:53,491 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-09-10 02:44:53,491 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-09-10 02:44:53,491 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-09-10 02:44:53,491 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-09-10 02:44:53,491 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-09-10 02:44:53,491 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-09-10 02:44:53,492 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-09-10 02:44:53,492 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-09-10 02:44:53,492 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-09-10 02:44:53,492 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-09-10 02:44:53,492 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-09-10 02:44:53,492 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-09-10 02:44:53,492 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-09-10 02:44:53,492 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-09-10 02:44:53,493 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-09-10 02:44:53,493 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-09-10 02:44:53,493 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-09-10 02:44:53,493 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-09-10 02:44:53,493 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-09-10 02:44:53,493 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-09-10 02:44:53,493 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-09-10 02:44:53,493 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-09-10 02:44:53,494 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-09-10 02:44:53,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 02:44:53,494 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-09-10 02:44:53,494 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-09-10 02:44:53,494 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Keys [2019-09-10 02:44:53,494 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-09-10 02:44:53,495 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-09-10 02:44:53,495 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptVerify_spec__1 [2019-09-10 02:44:53,495 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-09-10 02:44:53,495 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-10 02:44:53,495 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-09-10 02:44:53,495 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-09-10 02:44:53,495 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-09-10 02:44:53,496 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-09-10 02:44:53,496 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-09-10 02:44:53,496 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-09-10 02:44:53,496 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-09-10 02:44:53,496 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-09-10 02:44:53,496 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-09-10 02:44:53,497 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-09-10 02:44:53,497 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-09-10 02:44:53,497 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-09-10 02:44:53,497 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-09-10 02:44:53,497 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-09-10 02:44:53,497 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-09-10 02:44:53,498 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-09-10 02:44:53,498 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-09-10 02:44:53,498 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-09-10 02:44:53,498 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-09-10 02:44:53,498 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-09-10 02:44:53,498 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-09-10 02:44:53,499 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-09-10 02:44:53,499 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-09-10 02:44:53,499 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-10 02:44:53,499 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-10 02:44:53,499 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-10 02:44:53,499 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-09-10 02:44:53,500 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-09-10 02:44:53,500 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-09-10 02:44:53,500 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-09-10 02:44:53,500 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-10 02:44:53,500 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 02:44:53,500 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-09-10 02:44:53,501 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-09-10 02:44:53,501 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-09-10 02:44:53,501 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-09-10 02:44:53,501 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-09-10 02:44:53,501 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-10 02:44:53,501 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-09-10 02:44:53,501 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-09-10 02:44:53,502 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-09-10 02:44:53,502 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-09-10 02:44:53,502 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-09-10 02:44:53,502 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-09-10 02:44:53,502 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-09-10 02:44:53,502 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-09-10 02:44:53,503 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-09-10 02:44:53,503 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-10 02:44:53,503 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 02:44:53,503 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 02:44:53,503 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-10 02:44:53,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 02:44:53,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 02:44:53,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 02:44:53,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 02:44:53,504 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-10 02:44:53,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 02:44:53,504 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-10 02:44:53,505 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-10 02:44:53,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 02:44:53,505 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-10 02:44:53,505 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-10 02:44:53,505 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-10 02:44:53,505 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-09-10 02:44:53,506 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-09-10 02:44:53,506 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-09-10 02:44:53,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 02:44:53,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 02:44:53,506 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 02:44:55,471 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 02:44:55,471 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-10 02:44:55,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:44:55 BoogieIcfgContainer [2019-09-10 02:44:55,473 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 02:44:55,474 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 02:44:55,474 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 02:44:55,478 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 02:44:55,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 02:44:52" (1/3) ... [2019-09-10 02:44:55,479 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66f0942f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:44:55, skipping insertion in model container [2019-09-10 02:44:55,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:44:53" (2/3) ... [2019-09-10 02:44:55,480 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66f0942f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:44:55, skipping insertion in model container [2019-09-10 02:44:55,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:44:55" (3/3) ... [2019-09-10 02:44:55,483 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec7_product27.cil.c [2019-09-10 02:44:55,493 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 02:44:55,505 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 02:44:55,521 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 02:44:55,554 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 02:44:55,554 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 02:44:55,557 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 02:44:55,557 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 02:44:55,558 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 02:44:55,558 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 02:44:55,566 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 02:44:55,566 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 02:44:55,607 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states. [2019-09-10 02:44:55,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-09-10 02:44:55,648 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:44:55,650 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:44:55,653 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:44:55,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:44:55,659 INFO L82 PathProgramCache]: Analyzing trace with hash 1509306179, now seen corresponding path program 1 times [2019-09-10 02:44:55,661 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:44:55,715 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:44:55,715 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:44:55,715 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:44:55,715 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:44:56,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:44:56,283 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-10 02:44:56,285 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:44:56,285 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-10 02:44:56,285 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:44:56,292 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:44:56,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:44:56,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:44:56,310 INFO L87 Difference]: Start difference. First operand 615 states. Second operand 2 states. [2019-09-10 02:44:56,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:44:56,408 INFO L93 Difference]: Finished difference Result 595 states and 805 transitions. [2019-09-10 02:44:56,408 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:44:56,409 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 159 [2019-09-10 02:44:56,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:44:56,440 INFO L225 Difference]: With dead ends: 595 [2019-09-10 02:44:56,440 INFO L226 Difference]: Without dead ends: 586 [2019-09-10 02:44:56,443 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 02:44:56,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 586 states. [2019-09-10 02:44:56,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 586 to 586. [2019-09-10 02:44:56,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 586 states. [2019-09-10 02:44:56,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 794 transitions. [2019-09-10 02:44:56,547 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 794 transitions. Word has length 159 [2019-09-10 02:44:56,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:44:56,549 INFO L475 AbstractCegarLoop]: Abstraction has 586 states and 794 transitions. [2019-09-10 02:44:56,550 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:44:56,550 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 794 transitions. [2019-09-10 02:44:56,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-09-10 02:44:56,560 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:44:56,561 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:44:56,561 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:44:56,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:44:56,562 INFO L82 PathProgramCache]: Analyzing trace with hash -823834122, now seen corresponding path program 1 times [2019-09-10 02:44:56,562 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:44:56,563 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:44:56,564 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:44:56,564 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:44:56,565 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:44:56,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:44:56,875 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-10 02:44:56,876 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:44:56,876 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:44:56,876 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:44:56,879 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:44:56,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:44:56,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:44:56,880 INFO L87 Difference]: Start difference. First operand 586 states and 794 transitions. Second operand 3 states. [2019-09-10 02:44:56,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:44:56,945 INFO L93 Difference]: Finished difference Result 589 states and 797 transitions. [2019-09-10 02:44:56,945 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:44:56,945 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 160 [2019-09-10 02:44:56,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:44:56,951 INFO L225 Difference]: With dead ends: 589 [2019-09-10 02:44:56,951 INFO L226 Difference]: Without dead ends: 589 [2019-09-10 02:44:56,952 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 02:44:56,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 589 states. [2019-09-10 02:44:56,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 589 to 588. [2019-09-10 02:44:56,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 588 states. [2019-09-10 02:44:56,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 796 transitions. [2019-09-10 02:44:56,988 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 796 transitions. Word has length 160 [2019-09-10 02:44:56,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:44:56,989 INFO L475 AbstractCegarLoop]: Abstraction has 588 states and 796 transitions. [2019-09-10 02:44:56,989 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:44:56,989 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 796 transitions. [2019-09-10 02:44:56,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-09-10 02:44:56,992 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:44:56,993 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:44:56,993 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:44:56,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:44:56,993 INFO L82 PathProgramCache]: Analyzing trace with hash 1301725285, now seen corresponding path program 1 times [2019-09-10 02:44:56,994 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:44:56,994 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:44:56,995 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:44:56,995 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:44:56,995 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:44:57,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:44:57,175 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-10 02:44:57,176 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:44:57,176 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:44:57,176 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:44:57,179 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:44:57,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:44:57,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:44:57,182 INFO L87 Difference]: Start difference. First operand 588 states and 796 transitions. Second operand 3 states. [2019-09-10 02:44:57,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:44:57,224 INFO L93 Difference]: Finished difference Result 633 states and 872 transitions. [2019-09-10 02:44:57,226 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:44:57,226 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 172 [2019-09-10 02:44:57,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:44:57,234 INFO L225 Difference]: With dead ends: 633 [2019-09-10 02:44:57,234 INFO L226 Difference]: Without dead ends: 633 [2019-09-10 02:44:57,234 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 02:44:57,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2019-09-10 02:44:57,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 632. [2019-09-10 02:44:57,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 632 states. [2019-09-10 02:44:57,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 632 states and 871 transitions. [2019-09-10 02:44:57,319 INFO L78 Accepts]: Start accepts. Automaton has 632 states and 871 transitions. Word has length 172 [2019-09-10 02:44:57,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:44:57,319 INFO L475 AbstractCegarLoop]: Abstraction has 632 states and 871 transitions. [2019-09-10 02:44:57,319 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:44:57,320 INFO L276 IsEmpty]: Start isEmpty. Operand 632 states and 871 transitions. [2019-09-10 02:44:57,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2019-09-10 02:44:57,324 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:44:57,324 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:44:57,324 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:44:57,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:44:57,325 INFO L82 PathProgramCache]: Analyzing trace with hash 1689597040, now seen corresponding path program 1 times [2019-09-10 02:44:57,325 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:44:57,326 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:44:57,326 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:44:57,326 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:44:57,326 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:44:57,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:44:57,460 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-10 02:44:57,461 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:44:57,462 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:44:57,462 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:44:57,462 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:44:57,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:44:57,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:44:57,463 INFO L87 Difference]: Start difference. First operand 632 states and 871 transitions. Second operand 3 states. [2019-09-10 02:44:57,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:44:57,491 INFO L93 Difference]: Finished difference Result 718 states and 1016 transitions. [2019-09-10 02:44:57,492 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:44:57,492 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 173 [2019-09-10 02:44:57,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:44:57,498 INFO L225 Difference]: With dead ends: 718 [2019-09-10 02:44:57,498 INFO L226 Difference]: Without dead ends: 718 [2019-09-10 02:44:57,498 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 02:44:57,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 718 states. [2019-09-10 02:44:57,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 718 to 717. [2019-09-10 02:44:57,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 717 states. [2019-09-10 02:44:57,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 717 states and 1015 transitions. [2019-09-10 02:44:57,532 INFO L78 Accepts]: Start accepts. Automaton has 717 states and 1015 transitions. Word has length 173 [2019-09-10 02:44:57,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:44:57,536 INFO L475 AbstractCegarLoop]: Abstraction has 717 states and 1015 transitions. [2019-09-10 02:44:57,536 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:44:57,536 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 1015 transitions. [2019-09-10 02:44:57,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2019-09-10 02:44:57,541 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:44:57,542 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:44:57,542 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:44:57,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:44:57,542 INFO L82 PathProgramCache]: Analyzing trace with hash -1331994587, now seen corresponding path program 1 times [2019-09-10 02:44:57,542 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:44:57,543 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:44:57,543 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:44:57,543 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:44:57,544 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:44:57,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:44:57,675 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-10 02:44:57,675 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:44:57,675 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:44:57,675 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:44:57,676 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:44:57,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:44:57,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:44:57,677 INFO L87 Difference]: Start difference. First operand 717 states and 1015 transitions. Second operand 3 states. [2019-09-10 02:44:57,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:44:57,708 INFO L93 Difference]: Finished difference Result 882 states and 1292 transitions. [2019-09-10 02:44:57,709 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:44:57,709 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 174 [2019-09-10 02:44:57,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:44:57,716 INFO L225 Difference]: With dead ends: 882 [2019-09-10 02:44:57,716 INFO L226 Difference]: Without dead ends: 882 [2019-09-10 02:44:57,716 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 02:44:57,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 882 states. [2019-09-10 02:44:57,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 882 to 881. [2019-09-10 02:44:57,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 881 states. [2019-09-10 02:44:57,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 881 states to 881 states and 1291 transitions. [2019-09-10 02:44:57,758 INFO L78 Accepts]: Start accepts. Automaton has 881 states and 1291 transitions. Word has length 174 [2019-09-10 02:44:57,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:44:57,759 INFO L475 AbstractCegarLoop]: Abstraction has 881 states and 1291 transitions. [2019-09-10 02:44:57,759 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:44:57,760 INFO L276 IsEmpty]: Start isEmpty. Operand 881 states and 1291 transitions. [2019-09-10 02:44:57,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2019-09-10 02:44:57,765 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:44:57,765 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:44:57,765 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:44:57,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:44:57,766 INFO L82 PathProgramCache]: Analyzing trace with hash -897357629, now seen corresponding path program 1 times [2019-09-10 02:44:57,766 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:44:57,767 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:44:57,767 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:44:57,768 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:44:57,768 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:44:57,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:44:58,047 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-09-10 02:44:58,048 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:44:58,048 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-10 02:44:58,048 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:44:58,049 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-10 02:44:58,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-10 02:44:58,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-10 02:44:58,050 INFO L87 Difference]: Start difference. First operand 881 states and 1291 transitions. Second operand 8 states. [2019-09-10 02:44:58,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:44:58,112 INFO L93 Difference]: Finished difference Result 878 states and 1288 transitions. [2019-09-10 02:44:58,113 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-10 02:44:58,113 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 176 [2019-09-10 02:44:58,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:44:58,114 INFO L225 Difference]: With dead ends: 878 [2019-09-10 02:44:58,114 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 02:44:58,114 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 02:44:58,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 02:44:58,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 02:44:58,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 02:44:58,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 02:44:58,116 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 176 [2019-09-10 02:44:58,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:44:58,120 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 02:44:58,120 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-10 02:44:58,120 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 02:44:58,120 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 02:44:58,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 02:44:58 BoogieIcfgContainer [2019-09-10 02:44:58,128 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 02:44:58,132 INFO L168 Benchmark]: Toolchain (without parser) took 6038.20 ms. Allocated memory was 133.7 MB in the beginning and 328.7 MB in the end (delta: 195.0 MB). Free memory was 86.6 MB in the beginning and 244.4 MB in the end (delta: -157.7 MB). Peak memory consumption was 37.3 MB. Max. memory is 7.1 GB. [2019-09-10 02:44:58,134 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 133.7 MB. Free memory was 107.4 MB in the beginning and 107.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-10 02:44:58,135 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1084.19 ms. Allocated memory was 133.7 MB in the beginning and 202.4 MB in the end (delta: 68.7 MB). Free memory was 86.4 MB in the beginning and 131.0 MB in the end (delta: -44.6 MB). Peak memory consumption was 33.7 MB. Max. memory is 7.1 GB. [2019-09-10 02:44:58,136 INFO L168 Benchmark]: Boogie Preprocessor took 216.53 ms. Allocated memory is still 202.4 MB. Free memory was 131.0 MB in the beginning and 122.2 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. [2019-09-10 02:44:58,138 INFO L168 Benchmark]: RCFGBuilder took 2079.43 ms. Allocated memory was 202.4 MB in the beginning and 262.1 MB in the end (delta: 59.8 MB). Free memory was 122.2 MB in the beginning and 158.4 MB in the end (delta: -36.1 MB). Peak memory consumption was 80.9 MB. Max. memory is 7.1 GB. [2019-09-10 02:44:58,139 INFO L168 Benchmark]: TraceAbstraction took 2653.62 ms. Allocated memory was 262.1 MB in the beginning and 328.7 MB in the end (delta: 66.6 MB). Free memory was 158.4 MB in the beginning and 244.4 MB in the end (delta: -86.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-10 02:44:58,148 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 133.7 MB. Free memory was 107.4 MB in the beginning and 107.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1084.19 ms. Allocated memory was 133.7 MB in the beginning and 202.4 MB in the end (delta: 68.7 MB). Free memory was 86.4 MB in the beginning and 131.0 MB in the end (delta: -44.6 MB). Peak memory consumption was 33.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 216.53 ms. Allocated memory is still 202.4 MB. Free memory was 131.0 MB in the beginning and 122.2 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2079.43 ms. Allocated memory was 202.4 MB in the beginning and 262.1 MB in the end (delta: 59.8 MB). Free memory was 122.2 MB in the beginning and 158.4 MB in the end (delta: -36.1 MB). Peak memory consumption was 80.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2653.62 ms. Allocated memory was 262.1 MB in the beginning and 328.7 MB in the end (delta: 66.6 MB). Free memory was 158.4 MB in the beginning and 244.4 MB in the end (delta: -86.0 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 697]: 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 117 procedures, 794 locations, 1 error locations. SAFE Result, 2.5s OverallTime, 6 OverallIterations, 3 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4803 SDtfs, 160 SDslu, 7863 SDs, 0 SdLazy, 40 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=881occurred 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, 4 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1014 NumberOfCodeBlocks, 1014 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 1008 ConstructedInterpolants, 0 QuantifiedInterpolants, 179610 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 170/170 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...