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_spec27_product27.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 02:52:21,180 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 02:52:21,182 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 02:52:21,194 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 02:52:21,195 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 02:52:21,196 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 02:52:21,197 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 02:52:21,199 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 02:52:21,201 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 02:52:21,202 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 02:52:21,203 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 02:52:21,204 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 02:52:21,204 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 02:52:21,205 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 02:52:21,206 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 02:52:21,207 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 02:52:21,208 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 02:52:21,209 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 02:52:21,211 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 02:52:21,213 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 02:52:21,215 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 02:52:21,216 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 02:52:21,217 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 02:52:21,218 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 02:52:21,221 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 02:52:21,221 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 02:52:21,222 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 02:52:21,223 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 02:52:21,223 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 02:52:21,224 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 02:52:21,224 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 02:52:21,225 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 02:52:21,226 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 02:52:21,227 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 02:52:21,228 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 02:52:21,228 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 02:52:21,229 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 02:52:21,229 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 02:52:21,230 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 02:52:21,231 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 02:52:21,231 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 02:52:21,232 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 [2019-10-03 02:52:21,252 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 02:52:21,252 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 02:52:21,252 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 02:52:21,253 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 02:52:21,253 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 02:52:21,254 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 02:52:21,254 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 02:52:21,254 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 02:52:21,254 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 02:52:21,254 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 02:52:21,257 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 02:52:21,257 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 02:52:21,257 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 02:52:21,257 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 02:52:21,258 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 02:52:21,258 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 02:52:21,258 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 02:52:21,258 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 02:52:21,258 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 02:52:21,259 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 02:52:21,259 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 02:52:21,260 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 02:52:21,260 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 02:52:21,260 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:52:21,260 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 02:52:21,260 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 02:52:21,261 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 02:52:21,261 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 02:52:21,261 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 02:52:21,261 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 02:52:21,309 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 02:52:21,320 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 02:52:21,324 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 02:52:21,325 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 02:52:21,326 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 02:52:21,327 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec27_product27.cil.c [2019-10-03 02:52:21,395 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5040f43a/9c0b58545647471591eee2ef611be35b/FLAG63b52baec [2019-10-03 02:52:22,043 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 02:52:22,043 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec27_product27.cil.c [2019-10-03 02:52:22,070 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5040f43a/9c0b58545647471591eee2ef611be35b/FLAG63b52baec [2019-10-03 02:52:22,247 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5040f43a/9c0b58545647471591eee2ef611be35b [2019-10-03 02:52:22,255 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 02:52:22,257 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 02:52:22,258 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 02:52:22,258 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 02:52:22,262 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 02:52:22,263 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:52:22" (1/1) ... [2019-10-03 02:52:22,266 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6af509e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:22, skipping insertion in model container [2019-10-03 02:52:22,266 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:52:22" (1/1) ... [2019-10-03 02:52:22,273 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 02:52:22,355 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 02:52:23,101 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:52:23,117 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 02:52:23,240 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:52:23,340 INFO L192 MainTranslator]: Completed translation [2019-10-03 02:52:23,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:23 WrapperNode [2019-10-03 02:52:23,341 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 02:52:23,342 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 02:52:23,342 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 02:52:23,343 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 02:52:23,358 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:23" (1/1) ... [2019-10-03 02:52:23,360 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:23" (1/1) ... [2019-10-03 02:52:23,402 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:23" (1/1) ... [2019-10-03 02:52:23,402 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:23" (1/1) ... [2019-10-03 02:52:23,470 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:23" (1/1) ... [2019-10-03 02:52:23,494 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:23" (1/1) ... [2019-10-03 02:52:23,518 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:23" (1/1) ... [2019-10-03 02:52:23,553 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 02:52:23,556 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 02:52:23,556 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 02:52:23,556 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 02:52:23,557 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:23" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:52:23,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 02:52:23,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 02:52:23,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-03 02:52:23,639 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-10-03 02:52:23,640 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-10-03 02:52:23,640 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-03 02:52:23,640 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-03 02:52:23,640 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-03 02:52:23,641 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-03 02:52:23,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-03 02:52:23,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-03 02:52:23,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-03 02:52:23,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-03 02:52:23,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-03 02:52:23,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-03 02:52:23,642 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-03 02:52:23,642 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-03 02:52:23,643 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-03 02:52:23,643 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-03 02:52:23,643 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-03 02:52:23,643 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-03 02:52:23,644 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-03 02:52:23,644 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-03 02:52:23,644 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-03 02:52:23,644 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-03 02:52:23,644 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-03 02:52:23,645 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-03 02:52:23,645 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-03 02:52:23,645 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-03 02:52:23,645 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-03 02:52:23,645 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-03 02:52:23,646 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-03 02:52:23,646 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-03 02:52:23,646 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-03 02:52:23,646 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-03 02:52:23,646 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-03 02:52:23,647 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-03 02:52:23,647 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-03 02:52:23,647 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-03 02:52:23,647 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-03 02:52:23,647 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-03 02:52:23,648 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-03 02:52:23,648 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-03 02:52:23,648 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-03 02:52:23,648 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-03 02:52:23,648 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-03 02:52:23,648 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-03 02:52:23,649 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-03 02:52:23,649 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-03 02:52:23,649 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-03 02:52:23,649 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-03 02:52:23,649 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-03 02:52:23,650 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-03 02:52:23,650 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-03 02:52:23,650 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-03 02:52:23,650 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-03 02:52:23,650 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-03 02:52:23,650 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-03 02:52:23,651 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-03 02:52:23,651 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-03 02:52:23,651 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-03 02:52:23,651 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-03 02:52:23,651 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-03 02:52:23,651 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-03 02:52:23,651 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-03 02:52:23,652 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-03 02:52:23,652 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-03 02:52:23,652 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-03 02:52:23,652 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-03 02:52:23,652 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-03 02:52:23,653 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-03 02:52:23,653 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-03 02:52:23,653 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-03 02:52:23,653 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-03 02:52:23,653 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-03 02:52:23,654 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 02:52:23,654 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-03 02:52:23,654 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-03 02:52:23,654 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-03 02:52:23,654 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-03 02:52:23,655 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-03 02:52:23,655 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-03 02:52:23,655 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-03 02:52:23,655 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-03 02:52:23,655 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-03 02:52:23,655 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-03 02:52:23,656 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-03 02:52:23,656 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-03 02:52:23,656 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-03 02:52:23,656 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-03 02:52:23,656 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-03 02:52:23,656 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-03 02:52:23,657 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-03 02:52:23,657 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__VerifyForward_spec__1 [2019-10-03 02:52:23,657 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-03 02:52:23,657 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-03 02:52:23,657 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-03 02:52:23,658 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-10-03 02:52:23,658 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-03 02:52:23,658 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-03 02:52:23,658 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Keys [2019-10-03 02:52:23,658 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-03 02:52:23,659 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-03 02:52:23,659 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-03 02:52:23,659 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-03 02:52:23,659 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-03 02:52:23,659 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-03 02:52:23,660 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-03 02:52:23,660 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-03 02:52:23,660 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-03 02:52:23,660 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-03 02:52:23,660 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-03 02:52:23,661 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-03 02:52:23,661 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-03 02:52:23,661 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-03 02:52:23,661 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-03 02:52:23,661 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-03 02:52:23,662 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 02:52:23,662 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 02:52:23,662 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-03 02:52:23,662 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-03 02:52:23,662 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-03 02:52:23,662 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-03 02:52:23,662 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-03 02:52:23,663 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-03 02:52:23,663 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-03 02:52:23,663 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-03 02:52:23,663 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-03 02:52:23,663 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-03 02:52:23,663 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-03 02:52:23,664 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-03 02:52:23,664 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-03 02:52:23,664 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-10-03 02:52:23,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 02:52:23,664 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-10-03 02:52:23,665 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-03 02:52:23,665 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 02:52:23,665 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 02:52:23,665 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-03 02:52:23,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 02:52:23,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 02:52:23,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 02:52:23,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 02:52:23,666 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-03 02:52:23,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 02:52:23,666 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-03 02:52:23,666 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-03 02:52:23,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 02:52:23,667 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-03 02:52:23,667 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-03 02:52:23,667 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-03 02:52:23,667 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-03 02:52:23,667 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-03 02:52:23,667 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-03 02:52:23,668 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-03 02:52:23,668 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-03 02:52:23,668 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-03 02:52:23,668 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-03 02:52:23,668 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-03 02:52:23,668 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-03 02:52:23,669 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-03 02:52:23,669 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-03 02:52:23,669 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-03 02:52:23,669 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-03 02:52:23,669 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-03 02:52:23,669 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-03 02:52:23,669 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-03 02:52:23,670 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-03 02:52:23,670 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-03 02:52:23,670 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-03 02:52:23,670 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-03 02:52:23,670 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-03 02:52:23,670 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-03 02:52:23,670 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-03 02:52:23,671 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-03 02:52:23,671 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-03 02:52:23,671 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-03 02:52:23,671 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-03 02:52:23,671 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-03 02:52:23,671 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-03 02:52:23,671 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-03 02:52:23,672 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-03 02:52:23,672 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-03 02:52:23,672 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-03 02:52:23,672 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-03 02:52:23,672 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-03 02:52:23,672 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-03 02:52:23,672 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-03 02:52:23,673 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-03 02:52:23,673 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-03 02:52:23,673 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-03 02:52:23,673 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-03 02:52:23,673 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-03 02:52:23,673 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-03 02:52:23,673 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-03 02:52:23,673 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-03 02:52:23,674 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-03 02:52:23,674 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-03 02:52:23,674 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-03 02:52:23,674 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-03 02:52:23,674 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-03 02:52:23,674 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-03 02:52:23,675 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-03 02:52:23,675 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-03 02:52:23,675 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-03 02:52:23,675 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-03 02:52:23,675 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-03 02:52:23,676 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-03 02:52:23,676 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-03 02:52:23,676 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-03 02:52:23,676 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-03 02:52:23,676 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-03 02:52:23,676 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-03 02:52:23,676 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-03 02:52:23,677 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-03 02:52:23,677 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-03 02:52:23,677 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-03 02:52:23,677 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-03 02:52:23,677 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-03 02:52:23,677 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-03 02:52:23,678 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 02:52:23,678 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-03 02:52:23,678 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-03 02:52:23,678 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-03 02:52:23,678 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-03 02:52:23,679 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-03 02:52:23,679 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-03 02:52:23,679 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-03 02:52:23,679 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__VerifyForward_spec__1 [2019-10-03 02:52:23,679 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-03 02:52:23,680 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-03 02:52:23,680 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-03 02:52:23,680 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-03 02:52:23,680 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-03 02:52:23,680 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-03 02:52:23,681 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-03 02:52:23,681 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-03 02:52:23,681 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-03 02:52:23,681 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-03 02:52:23,681 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-03 02:52:23,682 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-03 02:52:23,682 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-03 02:52:23,682 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-10-03 02:52:23,682 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Keys [2019-10-03 02:52:23,682 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-03 02:52:23,683 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-03 02:52:23,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 02:52:23,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 02:52:23,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 02:52:26,079 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 02:52:26,079 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-03 02:52:26,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:52:26 BoogieIcfgContainer [2019-10-03 02:52:26,082 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 02:52:26,083 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 02:52:26,084 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 02:52:26,087 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 02:52:26,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 02:52:22" (1/3) ... [2019-10-03 02:52:26,088 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@755514af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:52:26, skipping insertion in model container [2019-10-03 02:52:26,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:23" (2/3) ... [2019-10-03 02:52:26,088 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@755514af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:52:26, skipping insertion in model container [2019-10-03 02:52:26,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:52:26" (3/3) ... [2019-10-03 02:52:26,090 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec27_product27.cil.c [2019-10-03 02:52:26,100 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 02:52:26,110 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 02:52:26,128 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 02:52:26,158 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 02:52:26,158 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 02:52:26,158 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 02:52:26,158 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 02:52:26,159 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 02:52:26,159 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 02:52:26,159 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 02:52:26,159 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 02:52:26,189 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states. [2019-10-03 02:52:26,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2019-10-03 02:52:26,220 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:52:26,222 INFO L411 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:52:26,225 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:52:26,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:52:26,231 INFO L82 PathProgramCache]: Analyzing trace with hash -2063245919, now seen corresponding path program 1 times [2019-10-03 02:52:26,234 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:52:26,317 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:26,318 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:52:26,318 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:26,318 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:52:26,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:52:27,069 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-03 02:52:27,073 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:52:27,074 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-03 02:52:27,074 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:52:27,081 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:52:27,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:52:27,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:52:27,100 INFO L87 Difference]: Start difference. First operand 621 states. Second operand 2 states. [2019-10-03 02:52:27,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:52:27,173 INFO L93 Difference]: Finished difference Result 601 states and 814 transitions. [2019-10-03 02:52:27,173 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:52:27,174 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 190 [2019-10-03 02:52:27,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:52:27,204 INFO L225 Difference]: With dead ends: 601 [2019-10-03 02:52:27,204 INFO L226 Difference]: Without dead ends: 592 [2019-10-03 02:52:27,206 INFO L640 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 [2019-10-03 02:52:27,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2019-10-03 02:52:27,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 592. [2019-10-03 02:52:27,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states. [2019-10-03 02:52:27,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 803 transitions. [2019-10-03 02:52:27,307 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 803 transitions. Word has length 190 [2019-10-03 02:52:27,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:52:27,309 INFO L475 AbstractCegarLoop]: Abstraction has 592 states and 803 transitions. [2019-10-03 02:52:27,309 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:52:27,310 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 803 transitions. [2019-10-03 02:52:27,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2019-10-03 02:52:27,316 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:52:27,316 INFO L411 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:52:27,316 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:52:27,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:52:27,318 INFO L82 PathProgramCache]: Analyzing trace with hash -569297871, now seen corresponding path program 1 times [2019-10-03 02:52:27,318 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:52:27,322 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:27,323 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:52:27,323 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:27,323 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:52:27,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:52:27,603 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-03 02:52:27,604 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:52:27,604 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:52:27,604 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:52:27,610 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:52:27,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:52:27,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:52:27,611 INFO L87 Difference]: Start difference. First operand 592 states and 803 transitions. Second operand 3 states. [2019-10-03 02:52:27,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:52:27,681 INFO L93 Difference]: Finished difference Result 595 states and 806 transitions. [2019-10-03 02:52:27,682 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:52:27,682 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 191 [2019-10-03 02:52:27,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:52:27,693 INFO L225 Difference]: With dead ends: 595 [2019-10-03 02:52:27,694 INFO L226 Difference]: Without dead ends: 595 [2019-10-03 02:52:27,695 INFO L640 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 [2019-10-03 02:52:27,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 595 states. [2019-10-03 02:52:27,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 595 to 594. [2019-10-03 02:52:27,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 594 states. [2019-10-03 02:52:27,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 594 states and 805 transitions. [2019-10-03 02:52:27,728 INFO L78 Accepts]: Start accepts. Automaton has 594 states and 805 transitions. Word has length 191 [2019-10-03 02:52:27,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:52:27,729 INFO L475 AbstractCegarLoop]: Abstraction has 594 states and 805 transitions. [2019-10-03 02:52:27,729 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:52:27,729 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 805 transitions. [2019-10-03 02:52:27,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2019-10-03 02:52:27,733 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:52:27,734 INFO L411 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:52:27,734 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:52:27,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:52:27,734 INFO L82 PathProgramCache]: Analyzing trace with hash -306591454, now seen corresponding path program 1 times [2019-10-03 02:52:27,735 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:52:27,739 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:27,739 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:52:27,739 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:27,739 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:52:27,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:52:27,996 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-03 02:52:27,997 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:52:27,997 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:52:27,997 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:52:27,998 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:52:27,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:52:27,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:52:27,999 INFO L87 Difference]: Start difference. First operand 594 states and 805 transitions. Second operand 3 states. [2019-10-03 02:52:28,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:52:28,036 INFO L93 Difference]: Finished difference Result 639 states and 881 transitions. [2019-10-03 02:52:28,036 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:52:28,036 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 203 [2019-10-03 02:52:28,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:52:28,042 INFO L225 Difference]: With dead ends: 639 [2019-10-03 02:52:28,042 INFO L226 Difference]: Without dead ends: 639 [2019-10-03 02:52:28,042 INFO L640 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 [2019-10-03 02:52:28,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 639 states. [2019-10-03 02:52:28,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 639 to 638. [2019-10-03 02:52:28,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 638 states. [2019-10-03 02:52:28,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 880 transitions. [2019-10-03 02:52:28,080 INFO L78 Accepts]: Start accepts. Automaton has 638 states and 880 transitions. Word has length 203 [2019-10-03 02:52:28,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:52:28,081 INFO L475 AbstractCegarLoop]: Abstraction has 638 states and 880 transitions. [2019-10-03 02:52:28,081 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:52:28,081 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 880 transitions. [2019-10-03 02:52:28,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2019-10-03 02:52:28,087 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:52:28,087 INFO L411 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:52:28,087 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:52:28,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:52:28,088 INFO L82 PathProgramCache]: Analyzing trace with hash 1906834190, now seen corresponding path program 1 times [2019-10-03 02:52:28,088 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:52:28,092 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:28,092 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:52:28,093 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:28,093 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:52:28,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:52:28,226 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-03 02:52:28,227 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:52:28,227 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:52:28,227 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:52:28,228 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:52:28,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:52:28,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:52:28,229 INFO L87 Difference]: Start difference. First operand 638 states and 880 transitions. Second operand 3 states. [2019-10-03 02:52:28,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:52:28,253 INFO L93 Difference]: Finished difference Result 724 states and 1025 transitions. [2019-10-03 02:52:28,254 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:52:28,254 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 204 [2019-10-03 02:52:28,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:52:28,259 INFO L225 Difference]: With dead ends: 724 [2019-10-03 02:52:28,260 INFO L226 Difference]: Without dead ends: 724 [2019-10-03 02:52:28,260 INFO L640 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 [2019-10-03 02:52:28,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 724 states. [2019-10-03 02:52:28,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 724 to 723. [2019-10-03 02:52:28,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 723 states. [2019-10-03 02:52:28,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 723 states and 1024 transitions. [2019-10-03 02:52:28,295 INFO L78 Accepts]: Start accepts. Automaton has 723 states and 1024 transitions. Word has length 204 [2019-10-03 02:52:28,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:52:28,296 INFO L475 AbstractCegarLoop]: Abstraction has 723 states and 1024 transitions. [2019-10-03 02:52:28,296 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:52:28,296 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 1024 transitions. [2019-10-03 02:52:28,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2019-10-03 02:52:28,307 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:52:28,307 INFO L411 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:52:28,308 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:52:28,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:52:28,308 INFO L82 PathProgramCache]: Analyzing trace with hash 332587580, now seen corresponding path program 1 times [2019-10-03 02:52:28,308 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:52:28,312 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:28,313 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:52:28,313 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:28,313 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:52:28,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:52:28,644 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-10-03 02:52:28,644 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:52:28,644 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-03 02:52:28,644 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:52:28,645 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-03 02:52:28,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-03 02:52:28,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-03 02:52:28,647 INFO L87 Difference]: Start difference. First operand 723 states and 1024 transitions. Second operand 8 states. [2019-10-03 02:52:28,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:52:28,715 INFO L93 Difference]: Finished difference Result 723 states and 1023 transitions. [2019-10-03 02:52:28,716 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-03 02:52:28,716 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 207 [2019-10-03 02:52:28,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:52:28,722 INFO L225 Difference]: With dead ends: 723 [2019-10-03 02:52:28,723 INFO L226 Difference]: Without dead ends: 723 [2019-10-03 02:52:28,723 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-03 02:52:28,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 723 states. [2019-10-03 02:52:28,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 723 to 723. [2019-10-03 02:52:28,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 723 states. [2019-10-03 02:52:28,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 723 states and 1023 transitions. [2019-10-03 02:52:28,759 INFO L78 Accepts]: Start accepts. Automaton has 723 states and 1023 transitions. Word has length 207 [2019-10-03 02:52:28,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:52:28,762 INFO L475 AbstractCegarLoop]: Abstraction has 723 states and 1023 transitions. [2019-10-03 02:52:28,762 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-03 02:52:28,764 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 1023 transitions. [2019-10-03 02:52:28,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2019-10-03 02:52:28,769 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:52:28,769 INFO L411 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:52:28,769 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:52:28,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:52:28,770 INFO L82 PathProgramCache]: Analyzing trace with hash -753364862, now seen corresponding path program 1 times [2019-10-03 02:52:28,770 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:52:28,775 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:28,775 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:52:28,776 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:28,776 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:52:28,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:52:29,085 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-10-03 02:52:29,086 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:52:29,086 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-03 02:52:29,086 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:52:29,086 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-03 02:52:29,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-03 02:52:29,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-03 02:52:29,087 INFO L87 Difference]: Start difference. First operand 723 states and 1023 transitions. Second operand 7 states. [2019-10-03 02:52:32,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:52:32,490 INFO L93 Difference]: Finished difference Result 1044 states and 1445 transitions. [2019-10-03 02:52:32,490 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-03 02:52:32,491 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 214 [2019-10-03 02:52:32,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:52:32,503 INFO L225 Difference]: With dead ends: 1044 [2019-10-03 02:52:32,503 INFO L226 Difference]: Without dead ends: 1040 [2019-10-03 02:52:32,504 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-03 02:52:32,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1040 states. [2019-10-03 02:52:32,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1040 to 1031. [2019-10-03 02:52:32,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1031 states. [2019-10-03 02:52:32,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1031 states to 1031 states and 1428 transitions. [2019-10-03 02:52:32,579 INFO L78 Accepts]: Start accepts. Automaton has 1031 states and 1428 transitions. Word has length 214 [2019-10-03 02:52:32,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:52:32,580 INFO L475 AbstractCegarLoop]: Abstraction has 1031 states and 1428 transitions. [2019-10-03 02:52:32,580 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-03 02:52:32,581 INFO L276 IsEmpty]: Start isEmpty. Operand 1031 states and 1428 transitions. [2019-10-03 02:52:32,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2019-10-03 02:52:32,585 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:52:32,586 INFO L411 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:52:32,586 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:52:32,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:52:32,587 INFO L82 PathProgramCache]: Analyzing trace with hash 1756585351, now seen corresponding path program 1 times [2019-10-03 02:52:32,587 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:52:32,597 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:32,597 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:52:32,597 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:32,597 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:52:32,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:52:33,273 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-10-03 02:52:33,274 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:52:33,274 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2019-10-03 02:52:33,274 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:52:33,275 INFO L454 AbstractCegarLoop]: Interpolant automaton has 28 states [2019-10-03 02:52:33,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2019-10-03 02:52:33,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=703, Unknown=0, NotChecked=0, Total=756 [2019-10-03 02:52:33,276 INFO L87 Difference]: Start difference. First operand 1031 states and 1428 transitions. Second operand 28 states. [2019-10-03 02:52:34,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:52:34,244 INFO L93 Difference]: Finished difference Result 1180 states and 1626 transitions. [2019-10-03 02:52:34,244 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2019-10-03 02:52:34,245 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 215 [2019-10-03 02:52:34,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:52:34,252 INFO L225 Difference]: With dead ends: 1180 [2019-10-03 02:52:34,252 INFO L226 Difference]: Without dead ends: 1172 [2019-10-03 02:52:34,253 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=101, Invalid=1459, Unknown=0, NotChecked=0, Total=1560 [2019-10-03 02:52:34,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1172 states. [2019-10-03 02:52:34,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1172 to 1167. [2019-10-03 02:52:34,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1167 states. [2019-10-03 02:52:34,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1167 states to 1167 states and 1607 transitions. [2019-10-03 02:52:34,293 INFO L78 Accepts]: Start accepts. Automaton has 1167 states and 1607 transitions. Word has length 215 [2019-10-03 02:52:34,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:52:34,294 INFO L475 AbstractCegarLoop]: Abstraction has 1167 states and 1607 transitions. [2019-10-03 02:52:34,294 INFO L476 AbstractCegarLoop]: Interpolant automaton has 28 states. [2019-10-03 02:52:34,294 INFO L276 IsEmpty]: Start isEmpty. Operand 1167 states and 1607 transitions. [2019-10-03 02:52:34,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2019-10-03 02:52:34,300 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:52:34,300 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:52:34,300 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:52:34,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:52:34,301 INFO L82 PathProgramCache]: Analyzing trace with hash 1759537394, now seen corresponding path program 1 times [2019-10-03 02:52:34,301 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:52:34,305 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:34,306 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:52:34,306 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:34,306 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:52:34,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:52:34,593 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2019-10-03 02:52:34,594 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:52:34,594 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-03 02:52:34,594 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:52:34,595 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-03 02:52:34,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-03 02:52:34,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-03 02:52:34,596 INFO L87 Difference]: Start difference. First operand 1167 states and 1607 transitions. Second operand 8 states. [2019-10-03 02:52:40,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:52:40,898 INFO L93 Difference]: Finished difference Result 2693 states and 3669 transitions. [2019-10-03 02:52:40,899 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-03 02:52:40,899 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 246 [2019-10-03 02:52:40,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:52:40,916 INFO L225 Difference]: With dead ends: 2693 [2019-10-03 02:52:40,916 INFO L226 Difference]: Without dead ends: 2693 [2019-10-03 02:52:40,917 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=267, Unknown=0, NotChecked=0, Total=342 [2019-10-03 02:52:40,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2693 states. [2019-10-03 02:52:40,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2693 to 2681. [2019-10-03 02:52:40,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2681 states. [2019-10-03 02:52:41,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2681 states to 2681 states and 3659 transitions. [2019-10-03 02:52:41,011 INFO L78 Accepts]: Start accepts. Automaton has 2681 states and 3659 transitions. Word has length 246 [2019-10-03 02:52:41,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:52:41,012 INFO L475 AbstractCegarLoop]: Abstraction has 2681 states and 3659 transitions. [2019-10-03 02:52:41,012 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-03 02:52:41,012 INFO L276 IsEmpty]: Start isEmpty. Operand 2681 states and 3659 transitions. [2019-10-03 02:52:41,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2019-10-03 02:52:41,018 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:52:41,019 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:52:41,019 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:52:41,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:52:41,019 INFO L82 PathProgramCache]: Analyzing trace with hash 1250875765, now seen corresponding path program 1 times [2019-10-03 02:52:41,020 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:52:41,023 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:41,024 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:52:41,024 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:41,024 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:52:41,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:52:41,454 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2019-10-03 02:52:41,454 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:52:41,455 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2019-10-03 02:52:41,455 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:52:41,456 INFO L454 AbstractCegarLoop]: Interpolant automaton has 20 states [2019-10-03 02:52:41,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2019-10-03 02:52:41,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=343, Unknown=0, NotChecked=0, Total=380 [2019-10-03 02:52:41,457 INFO L87 Difference]: Start difference. First operand 2681 states and 3659 transitions. Second operand 20 states. [2019-10-03 02:52:41,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:52:41,935 INFO L93 Difference]: Finished difference Result 2358 states and 3214 transitions. [2019-10-03 02:52:41,936 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-10-03 02:52:41,936 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 247 [2019-10-03 02:52:41,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:52:41,954 INFO L225 Difference]: With dead ends: 2358 [2019-10-03 02:52:41,955 INFO L226 Difference]: Without dead ends: 2358 [2019-10-03 02:52:41,956 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=69, Invalid=687, Unknown=0, NotChecked=0, Total=756 [2019-10-03 02:52:41,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2358 states. [2019-10-03 02:52:42,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2358 to 2348. [2019-10-03 02:52:42,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2348 states. [2019-10-03 02:52:42,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2348 states to 2348 states and 3197 transitions. [2019-10-03 02:52:42,036 INFO L78 Accepts]: Start accepts. Automaton has 2348 states and 3197 transitions. Word has length 247 [2019-10-03 02:52:42,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:52:42,038 INFO L475 AbstractCegarLoop]: Abstraction has 2348 states and 3197 transitions. [2019-10-03 02:52:42,038 INFO L476 AbstractCegarLoop]: Interpolant automaton has 20 states. [2019-10-03 02:52:42,038 INFO L276 IsEmpty]: Start isEmpty. Operand 2348 states and 3197 transitions. [2019-10-03 02:52:42,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2019-10-03 02:52:42,044 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:52:42,045 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:52:42,045 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:52:42,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:52:42,046 INFO L82 PathProgramCache]: Analyzing trace with hash -63967557, now seen corresponding path program 1 times [2019-10-03 02:52:42,046 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:52:42,054 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:42,054 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:52:42,054 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:42,054 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:52:42,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:52:42,542 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2019-10-03 02:52:42,543 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-03 02:52:42,543 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-10-03 02:52:42,544 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 257 with the following transitions: [2019-10-03 02:52:42,547 INFO L207 CegarAbsIntRunner]: [44], [57], [59], [62], [64], [66], [69], [103], [106], [115], [116], [119], [129], [140], [143], [153], [154], [183], [186], [187], [188], [190], [300], [303], [304], [305], [308], [314], [336], [348], [350], [354], [357], [366], [377], [378], [379], [381], [382], [385], [395], [396], [426], [428], [431], [433], [436], [442], [444], [447], [449], [451], [454], [462], [464], [494], [497], [503], [653], [655], [656], [657], [665], [668], [674], [695], [698], [712], [741], [744], [750], [751], [752], [753], [755], [758], [761], [767], [768], [770], [774], [777], [801], [805], [808], [816], [819], [847], [853], [862], [866], [868], [870], [873], [880], [887], [890], [892], [1030], [1032], [1049], [1053], [1056], [1070], [1178], [1250], [1254], [1255], [1258], [1264], [1265], [1268], [1269], [1272], [1275], [1306], [1309], [1311], [1424], [1427], [1441], [1447], [1450], [1459], [1460], [1463], [1472], [1475], [1478], [1487], [1653], [1655], [1657], [1659], [1660], [1664], [1675], [1683], [1684], [1685], [1686], [1687], [1688], [1689], [1709], [1719], [1720], [1721], [1722], [1723], [1724], [1727], [1728], [1729], [1730], [1737], [1743], [1744], [1745], [1746], [1747], [1753], [1754], [1755], [1761], [1762], [1763], [1764], [1765], [1766], [1767], [1768], [1769], [1770], [1771], [1772], [1773], [1774], [1775], [1776], [1797], [1798], [1813], [1814], [1815], [1817], [1818], [1819], [1820], [1821], [1822], [1823], [1824], [1825], [1826], [1827], [1828], [1829], [1830], [1831], [1833], [1834], [1835], [1836], [1849], [1850], [1851], [1857], [1858], [1877], [1879], [1880], [1897], [1899], [1900], [1901], [1903], [1904], [1905], [1906], [1907], [1908], [1909], [1929], [1930], [1931], [1932], [1933], [1934], [1935], [1936], [1937], [1939] [2019-10-03 02:52:42,609 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-03 02:52:42,610 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 02:52:42,761 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-03 02:52:42,763 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 202 root evaluator evaluations with a maximum evaluation depth of 0. Performed 202 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 376 variables. [2019-10-03 02:52:42,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:52:42,768 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-03 02:52:42,907 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-03 02:52:42,907 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-10-03 02:52:42,918 INFO L420 sIntCurrentIteration]: We unified 255 AI predicates to 255 [2019-10-03 02:52:42,918 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-03 02:52:42,919 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-03 02:52:42,919 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 7 [2019-10-03 02:52:42,920 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:52:42,920 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:52:42,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:52:42,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:52:42,921 INFO L87 Difference]: Start difference. First operand 2348 states and 3197 transitions. Second operand 2 states. [2019-10-03 02:52:42,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:52:42,922 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-10-03 02:52:42,922 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:52:42,922 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 256 [2019-10-03 02:52:42,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:52:42,922 INFO L225 Difference]: With dead ends: 2 [2019-10-03 02:52:42,922 INFO L226 Difference]: Without dead ends: 0 [2019-10-03 02:52:42,923 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 255 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:52:42,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-03 02:52:42,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-03 02:52:42,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-03 02:52:42,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-03 02:52:42,924 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 256 [2019-10-03 02:52:42,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:52:42,924 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-03 02:52:42,925 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:52:42,925 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-03 02:52:42,925 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-03 02:52:42,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 02:52:42 BoogieIcfgContainer [2019-10-03 02:52:42,931 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-03 02:52:42,934 INFO L168 Benchmark]: Toolchain (without parser) took 20676.05 ms. Allocated memory was 131.1 MB in the beginning and 593.0 MB in the end (delta: 461.9 MB). Free memory was 84.3 MB in the beginning and 436.8 MB in the end (delta: -352.5 MB). Peak memory consumption was 109.4 MB. Max. memory is 7.1 GB. [2019-10-03 02:52:42,935 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 131.1 MB. Free memory was 105.2 MB in the beginning and 105.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-03 02:52:42,937 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1083.80 ms. Allocated memory was 131.1 MB in the beginning and 200.3 MB in the end (delta: 69.2 MB). Free memory was 84.1 MB in the beginning and 132.0 MB in the end (delta: -47.9 MB). Peak memory consumption was 37.3 MB. Max. memory is 7.1 GB. [2019-10-03 02:52:42,939 INFO L168 Benchmark]: Boogie Preprocessor took 212.92 ms. Allocated memory is still 200.3 MB. Free memory was 132.0 MB in the beginning and 123.0 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2019-10-03 02:52:42,943 INFO L168 Benchmark]: RCFGBuilder took 2526.87 ms. Allocated memory was 200.3 MB in the beginning and 273.2 MB in the end (delta: 72.9 MB). Free memory was 123.0 MB in the beginning and 166.3 MB in the end (delta: -43.3 MB). Peak memory consumption was 84.2 MB. Max. memory is 7.1 GB. [2019-10-03 02:52:42,944 INFO L168 Benchmark]: TraceAbstraction took 16847.78 ms. Allocated memory was 273.2 MB in the beginning and 593.0 MB in the end (delta: 319.8 MB). Free memory was 164.0 MB in the beginning and 436.8 MB in the end (delta: -272.8 MB). Peak memory consumption was 47.1 MB. Max. memory is 7.1 GB. [2019-10-03 02:52:42,949 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 131.1 MB. Free memory was 105.2 MB in the beginning and 105.0 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1083.80 ms. Allocated memory was 131.1 MB in the beginning and 200.3 MB in the end (delta: 69.2 MB). Free memory was 84.1 MB in the beginning and 132.0 MB in the end (delta: -47.9 MB). Peak memory consumption was 37.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 212.92 ms. Allocated memory is still 200.3 MB. Free memory was 132.0 MB in the beginning and 123.0 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2526.87 ms. Allocated memory was 200.3 MB in the beginning and 273.2 MB in the end (delta: 72.9 MB). Free memory was 123.0 MB in the beginning and 166.3 MB in the end (delta: -43.3 MB). Peak memory consumption was 84.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 16847.78 ms. Allocated memory was 273.2 MB in the beginning and 593.0 MB in the end (delta: 319.8 MB). Free memory was 164.0 MB in the beginning and 436.8 MB in the end (delta: -272.8 MB). Peak memory consumption was 47.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 2588]: 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, 800 locations, 1 error locations. SAFE Result, 16.7s OverallTime, 10 OverallIterations, 3 TraceHistogramMax, 11.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 7447 SDtfs, 3166 SDslu, 43848 SDs, 0 SdLazy, 9304 SolverSat, 1321 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 395 GetRequests, 294 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2681occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.2s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 2.007843137254902 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 10 MinimizatonAttempts, 39 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 2173 NumberOfCodeBlocks, 2173 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2163 ConstructedInterpolants, 0 QuantifiedInterpolants, 630548 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 9 PerfectInterpolantSequences, 317/319 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...