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_spec9_product14.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 02:55:56,277 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 02:55:56,280 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 02:55:56,297 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 02:55:56,298 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 02:55:56,299 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 02:55:56,302 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 02:55:56,312 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 02:55:56,316 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 02:55:56,318 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 02:55:56,321 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 02:55:56,323 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 02:55:56,323 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 02:55:56,325 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 02:55:56,328 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 02:55:56,329 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 02:55:56,330 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 02:55:56,332 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 02:55:56,333 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 02:55:56,338 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 02:55:56,341 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 02:55:56,344 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 02:55:56,347 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 02:55:56,348 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 02:55:56,351 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 02:55:56,351 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 02:55:56,351 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 02:55:56,353 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 02:55:56,355 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 02:55:56,356 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 02:55:56,357 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 02:55:56,357 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 02:55:56,358 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 02:55:56,359 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 02:55:56,361 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 02:55:56,361 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 02:55:56,361 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 02:55:56,362 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 02:55:56,362 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 02:55:56,363 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 02:55:56,363 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 02:55:56,365 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 02:55:56,402 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 02:55:56,402 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 02:55:56,403 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 02:55:56,403 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 02:55:56,407 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 02:55:56,407 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 02:55:56,407 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 02:55:56,408 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 02:55:56,408 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 02:55:56,411 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 02:55:56,412 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 02:55:56,412 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 02:55:56,412 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 02:55:56,412 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 02:55:56,413 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 02:55:56,413 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 02:55:56,413 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 02:55:56,413 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 02:55:56,413 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 02:55:56,414 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 02:55:56,414 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 02:55:56,414 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 02:55:56,415 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 02:55:56,416 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:55:56,416 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 02:55:56,416 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 02:55:56,416 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 02:55:56,417 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 02:55:56,417 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 02:55:56,417 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 02:55:56,465 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 02:55:56,482 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 02:55:56,487 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 02:55:56,488 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 02:55:56,489 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 02:55:56,490 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec9_product14.cil.c [2019-10-03 02:55:56,561 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/347546a05/89b647279ecc47828271f06b0383ebd2/FLAGb863ed57a [2019-10-03 02:55:57,144 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 02:55:57,145 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec9_product14.cil.c [2019-10-03 02:55:57,179 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/347546a05/89b647279ecc47828271f06b0383ebd2/FLAGb863ed57a [2019-10-03 02:55:57,402 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/347546a05/89b647279ecc47828271f06b0383ebd2 [2019-10-03 02:55:57,412 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 02:55:57,413 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 02:55:57,414 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 02:55:57,414 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 02:55:57,417 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 02:55:57,418 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:55:57" (1/1) ... [2019-10-03 02:55:57,421 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6885b406 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:57, skipping insertion in model container [2019-10-03 02:55:57,421 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:55:57" (1/1) ... [2019-10-03 02:55:57,429 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 02:55:57,510 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 02:55:58,168 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:55:58,195 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 02:55:58,386 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:55:58,503 INFO L192 MainTranslator]: Completed translation [2019-10-03 02:55:58,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:58 WrapperNode [2019-10-03 02:55:58,504 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 02:55:58,505 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 02:55:58,505 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 02:55:58,506 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 02:55:58,528 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:58" (1/1) ... [2019-10-03 02:55:58,530 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:58" (1/1) ... [2019-10-03 02:55:58,601 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:58" (1/1) ... [2019-10-03 02:55:58,602 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:58" (1/1) ... [2019-10-03 02:55:58,691 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:58" (1/1) ... [2019-10-03 02:55:58,736 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:58" (1/1) ... [2019-10-03 02:55:58,758 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:58" (1/1) ... [2019-10-03 02:55:58,772 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 02:55:58,773 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 02:55:58,773 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 02:55:58,773 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 02:55:58,776 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:58" (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 02:55:58,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 02:55:58,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 02:55:58,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-03 02:55:58,884 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-03 02:55:58,884 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-03 02:55:58,884 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-03 02:55:58,885 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-03 02:55:58,885 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-03 02:55:58,885 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-03 02:55:58,886 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-03 02:55:58,886 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-03 02:55:58,887 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-03 02:55:58,887 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 02:55:58,888 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-03 02:55:58,889 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-03 02:55:58,890 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-03 02:55:58,890 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-03 02:55:58,891 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-03 02:55:58,891 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-03 02:55:58,892 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-03 02:55:58,893 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-03 02:55:58,893 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-03 02:55:58,893 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-03 02:55:58,893 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__1 [2019-10-03 02:55:58,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__2 [2019-10-03 02:55:58,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-03 02:55:58,895 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-03 02:55:58,896 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-03 02:55:58,896 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2019-10-03 02:55:58,896 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-03 02:55:58,897 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-03 02:55:58,897 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AddressBook [2019-10-03 02:55:58,897 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-03 02:55:58,897 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-03 02:55:58,897 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-03 02:55:58,898 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-03 02:55:58,898 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-03 02:55:58,898 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-03 02:55:58,899 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-03 02:55:58,899 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-03 02:55:58,900 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-03 02:55:58,900 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-03 02:55:58,900 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-03 02:55:58,900 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-03 02:55:58,901 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-03 02:55:58,901 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-03 02:55:58,901 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-03 02:55:58,901 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-03 02:55:58,902 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-03 02:55:58,902 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-03 02:55:58,902 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-03 02:55:58,903 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-03 02:55:58,903 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-03 02:55:58,903 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-03 02:55:58,903 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-03 02:55:58,904 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-03 02:55:58,904 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-03 02:55:58,904 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-03 02:55:58,905 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-03 02:55:58,905 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-03 02:55:58,905 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-03 02:55:58,905 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-03 02:55:58,906 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-03 02:55:58,906 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-03 02:55:58,907 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-03 02:55:58,907 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-03 02:55:58,908 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-03 02:55:58,908 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-03 02:55:58,908 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-03 02:55:58,908 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-03 02:55:58,909 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-03 02:55:58,909 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-03 02:55:58,909 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-03 02:55:58,911 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-03 02:55:58,911 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-03 02:55:58,911 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-03 02:55:58,911 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-03 02:55:58,912 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-03 02:55:58,912 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-03 02:55:58,913 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-03 02:55:58,913 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-03 02:55:58,914 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-03 02:55:58,914 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-03 02:55:58,914 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-03 02:55:58,915 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-03 02:55:58,916 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-03 02:55:58,917 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-03 02:55:58,917 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-03 02:55:58,917 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-03 02:55:58,917 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-03 02:55:58,917 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-03 02:55:58,918 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-03 02:55:58,918 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-03 02:55:58,918 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-03 02:55:58,918 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-03 02:55:58,919 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-03 02:55:58,919 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-03 02:55:58,919 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-03 02:55:58,919 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-03 02:55:58,920 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-03 02:55:58,920 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-03 02:55:58,920 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-03 02:55:58,920 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-03 02:55:58,921 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-03 02:55:58,921 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-03 02:55:58,921 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-03 02:55:58,921 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-03 02:55:58,921 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-03 02:55:58,922 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-03 02:55:58,922 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-03 02:55:58,922 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 02:55:58,922 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 02:55:58,923 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-03 02:55:58,923 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-03 02:55:58,923 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-03 02:55:58,924 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-03 02:55:58,924 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-03 02:55:58,925 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-03 02:55:58,925 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-03 02:55:58,926 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-03 02:55:58,926 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-03 02:55:58,926 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-03 02:55:58,927 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-03 02:55:58,928 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-03 02:55:58,929 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-03 02:55:58,929 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-03 02:55:58,929 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-03 02:55:58,929 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-03 02:55:58,930 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-03 02:55:58,930 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-03 02:55:58,930 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-03 02:55:58,931 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-03 02:55:58,931 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-03 02:55:58,931 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-03 02:55:58,931 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-03 02:55:58,931 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-03 02:55:58,932 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-03 02:55:58,932 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-03 02:55:58,933 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-03 02:55:58,937 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-03 02:55:58,938 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 02:55:58,939 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-03 02:55:58,939 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-03 02:55:58,945 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-03 02:55:58,945 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-03 02:55:58,946 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-03 02:55:58,946 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-03 02:55:58,946 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-03 02:55:58,946 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-03 02:55:58,947 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-03 02:55:58,947 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-03 02:55:58,947 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-03 02:55:58,947 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-03 02:55:58,947 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-03 02:55:58,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 02:55:58,948 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-03 02:55:58,948 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-03 02:55:58,948 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__1 [2019-10-03 02:55:58,948 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__2 [2019-10-03 02:55:58,949 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-03 02:55:58,949 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-03 02:55:58,949 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-03 02:55:58,949 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-03 02:55:58,950 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-03 02:55:58,950 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-03 02:55:58,950 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-03 02:55:58,950 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-03 02:55:58,950 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-03 02:55:58,951 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-03 02:55:58,951 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-03 02:55:58,951 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-03 02:55:58,951 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-03 02:55:58,952 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-03 02:55:58,952 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-03 02:55:58,952 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-03 02:55:58,952 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-03 02:55:58,952 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-03 02:55:58,953 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-03 02:55:58,953 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-03 02:55:58,953 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-03 02:55:58,953 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2019-10-03 02:55:58,954 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AddressBook [2019-10-03 02:55:58,954 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-03 02:55:58,954 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-03 02:55:58,954 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-03 02:55:58,954 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 02:55:58,955 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 02:55:58,955 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-03 02:55:58,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 02:55:58,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 02:55:58,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 02:55:58,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 02:55:58,956 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-03 02:55:58,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 02:55:58,956 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-03 02:55:58,957 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-03 02:55:58,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 02:55:58,957 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-03 02:55:58,957 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-03 02:55:58,957 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-03 02:55:58,957 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-03 02:55:58,958 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-03 02:55:58,958 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-03 02:55:58,958 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-03 02:55:58,958 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-03 02:55:58,958 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-03 02:55:58,959 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-03 02:55:58,959 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-03 02:55:58,959 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-03 02:55:58,959 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-03 02:55:58,959 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-03 02:55:58,960 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-03 02:55:58,960 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-03 02:55:58,960 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-03 02:55:58,960 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-03 02:55:58,961 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-03 02:55:58,961 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-03 02:55:58,961 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-03 02:55:58,961 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-03 02:55:58,961 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-03 02:55:58,962 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-03 02:55:58,962 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-03 02:55:58,962 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-03 02:55:58,962 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-03 02:55:58,962 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-03 02:55:58,963 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-03 02:55:58,963 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-03 02:55:58,963 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-03 02:55:58,963 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-03 02:55:58,964 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-03 02:55:58,964 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-03 02:55:58,964 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-03 02:55:58,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 02:55:58,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 02:55:58,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 02:56:01,532 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 02:56:01,533 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-03 02:56:01,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:56:01 BoogieIcfgContainer [2019-10-03 02:56:01,535 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 02:56:01,536 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 02:56:01,536 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 02:56:01,540 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 02:56:01,540 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 02:55:57" (1/3) ... [2019-10-03 02:56:01,541 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2eb04d08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:56:01, skipping insertion in model container [2019-10-03 02:56:01,541 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:58" (2/3) ... [2019-10-03 02:56:01,542 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2eb04d08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:56:01, skipping insertion in model container [2019-10-03 02:56:01,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:56:01" (3/3) ... [2019-10-03 02:56:01,544 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec9_product14.cil.c [2019-10-03 02:56:01,555 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 02:56:01,565 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 02:56:01,584 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 02:56:01,614 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 02:56:01,614 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 02:56:01,614 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 02:56:01,614 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 02:56:01,615 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 02:56:01,615 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 02:56:01,615 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 02:56:01,615 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 02:56:01,645 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states. [2019-10-03 02:56:01,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-10-03 02:56:01,673 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:56:01,674 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] [2019-10-03 02:56:01,677 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:56:01,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:56:01,683 INFO L82 PathProgramCache]: Analyzing trace with hash 2026641383, now seen corresponding path program 1 times [2019-10-03 02:56:01,686 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:56:01,753 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:01,753 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:56:01,754 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:01,754 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:56:02,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:56:02,326 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 02:56:02,329 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:56:02,329 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-03 02:56:02,329 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:56:02,336 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:56:02,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:56:02,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:56:02,354 INFO L87 Difference]: Start difference. First operand 521 states. Second operand 2 states. [2019-10-03 02:56:02,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:56:02,413 INFO L93 Difference]: Finished difference Result 479 states and 662 transitions. [2019-10-03 02:56:02,413 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:56:02,416 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 154 [2019-10-03 02:56:02,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:56:02,442 INFO L225 Difference]: With dead ends: 479 [2019-10-03 02:56:02,442 INFO L226 Difference]: Without dead ends: 470 [2019-10-03 02:56:02,444 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 02:56:02,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2019-10-03 02:56:02,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 470. [2019-10-03 02:56:02,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 470 states. [2019-10-03 02:56:02,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 651 transitions. [2019-10-03 02:56:02,547 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 651 transitions. Word has length 154 [2019-10-03 02:56:02,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:56:02,550 INFO L475 AbstractCegarLoop]: Abstraction has 470 states and 651 transitions. [2019-10-03 02:56:02,550 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:56:02,550 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 651 transitions. [2019-10-03 02:56:02,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-10-03 02:56:02,556 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:56:02,556 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] [2019-10-03 02:56:02,556 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:56:02,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:56:02,557 INFO L82 PathProgramCache]: Analyzing trace with hash 918383061, now seen corresponding path program 1 times [2019-10-03 02:56:02,557 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:56:02,562 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:02,563 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:56:02,563 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:02,563 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:56:02,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:56:02,946 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 02:56:02,946 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:56:02,946 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:56:02,946 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:56:02,952 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:56:02,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:56:02,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:56:02,953 INFO L87 Difference]: Start difference. First operand 470 states and 651 transitions. Second operand 3 states. [2019-10-03 02:56:03,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:56:03,006 INFO L93 Difference]: Finished difference Result 473 states and 654 transitions. [2019-10-03 02:56:03,007 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:56:03,007 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 155 [2019-10-03 02:56:03,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:56:03,012 INFO L225 Difference]: With dead ends: 473 [2019-10-03 02:56:03,013 INFO L226 Difference]: Without dead ends: 473 [2019-10-03 02:56:03,014 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 02:56:03,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2019-10-03 02:56:03,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 472. [2019-10-03 02:56:03,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 472 states. [2019-10-03 02:56:03,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 653 transitions. [2019-10-03 02:56:03,042 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 653 transitions. Word has length 155 [2019-10-03 02:56:03,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:56:03,043 INFO L475 AbstractCegarLoop]: Abstraction has 472 states and 653 transitions. [2019-10-03 02:56:03,043 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:56:03,043 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 653 transitions. [2019-10-03 02:56:03,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2019-10-03 02:56:03,047 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:56:03,047 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] [2019-10-03 02:56:03,047 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:56:03,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:56:03,048 INFO L82 PathProgramCache]: Analyzing trace with hash 1716493705, now seen corresponding path program 1 times [2019-10-03 02:56:03,048 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:56:03,052 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:03,052 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:56:03,052 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:03,053 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:56:03,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:56:03,194 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-03 02:56:03,195 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:56:03,195 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:56:03,195 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:56:03,196 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:56:03,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:56:03,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:56:03,197 INFO L87 Difference]: Start difference. First operand 472 states and 653 transitions. Second operand 3 states. [2019-10-03 02:56:03,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:56:03,224 INFO L93 Difference]: Finished difference Result 513 states and 723 transitions. [2019-10-03 02:56:03,224 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:56:03,225 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 161 [2019-10-03 02:56:03,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:56:03,229 INFO L225 Difference]: With dead ends: 513 [2019-10-03 02:56:03,230 INFO L226 Difference]: Without dead ends: 513 [2019-10-03 02:56:03,230 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 02:56:03,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 513 states. [2019-10-03 02:56:03,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 513 to 512. [2019-10-03 02:56:03,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 512 states. [2019-10-03 02:56:03,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 722 transitions. [2019-10-03 02:56:03,256 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 722 transitions. Word has length 161 [2019-10-03 02:56:03,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:56:03,257 INFO L475 AbstractCegarLoop]: Abstraction has 512 states and 722 transitions. [2019-10-03 02:56:03,257 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:56:03,257 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 722 transitions. [2019-10-03 02:56:03,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2019-10-03 02:56:03,261 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:56:03,261 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] [2019-10-03 02:56:03,261 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:56:03,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:56:03,262 INFO L82 PathProgramCache]: Analyzing trace with hash 121065149, now seen corresponding path program 1 times [2019-10-03 02:56:03,262 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:56:03,266 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:03,266 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:56:03,266 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:03,266 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:56:03,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:56:03,502 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 02:56:03,502 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:56:03,503 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:56:03,503 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:56:03,504 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:56:03,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:56:03,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:56:03,505 INFO L87 Difference]: Start difference. First operand 512 states and 722 transitions. Second operand 3 states. [2019-10-03 02:56:03,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:56:03,560 INFO L93 Difference]: Finished difference Result 626 states and 886 transitions. [2019-10-03 02:56:03,563 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:56:03,563 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 162 [2019-10-03 02:56:03,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:56:03,572 INFO L225 Difference]: With dead ends: 626 [2019-10-03 02:56:03,572 INFO L226 Difference]: Without dead ends: 626 [2019-10-03 02:56:03,573 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 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 02:56:03,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 626 states. [2019-10-03 02:56:03,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 626 to 625. [2019-10-03 02:56:03,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 625 states. [2019-10-03 02:56:03,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 884 transitions. [2019-10-03 02:56:03,633 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 884 transitions. Word has length 162 [2019-10-03 02:56:03,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:56:03,635 INFO L475 AbstractCegarLoop]: Abstraction has 625 states and 884 transitions. [2019-10-03 02:56:03,635 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:56:03,636 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 884 transitions. [2019-10-03 02:56:03,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2019-10-03 02:56:03,647 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:56:03,648 INFO L411 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:56:03,648 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:56:03,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:56:03,649 INFO L82 PathProgramCache]: Analyzing trace with hash 1610932169, now seen corresponding path program 1 times [2019-10-03 02:56:03,649 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:56:03,654 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:03,654 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:56:03,654 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:03,657 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:56:03,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:56:04,051 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2019-10-03 02:56:04,051 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:56:04,051 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-03 02:56:04,051 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:56:04,052 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-03 02:56:04,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-03 02:56:04,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-03 02:56:04,053 INFO L87 Difference]: Start difference. First operand 625 states and 884 transitions. Second operand 6 states. [2019-10-03 02:56:04,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:56:04,736 INFO L93 Difference]: Finished difference Result 1201 states and 1714 transitions. [2019-10-03 02:56:04,736 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-03 02:56:04,736 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 275 [2019-10-03 02:56:04,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:56:04,746 INFO L225 Difference]: With dead ends: 1201 [2019-10-03 02:56:04,747 INFO L226 Difference]: Without dead ends: 1201 [2019-10-03 02:56:04,747 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-03 02:56:04,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1201 states. [2019-10-03 02:56:04,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1201 to 1190. [2019-10-03 02:56:04,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1190 states. [2019-10-03 02:56:04,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1190 states to 1190 states and 1704 transitions. [2019-10-03 02:56:04,822 INFO L78 Accepts]: Start accepts. Automaton has 1190 states and 1704 transitions. Word has length 275 [2019-10-03 02:56:04,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:56:04,826 INFO L475 AbstractCegarLoop]: Abstraction has 1190 states and 1704 transitions. [2019-10-03 02:56:04,826 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-03 02:56:04,826 INFO L276 IsEmpty]: Start isEmpty. Operand 1190 states and 1704 transitions. [2019-10-03 02:56:04,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2019-10-03 02:56:04,834 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:56:04,835 INFO L411 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:56:04,835 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:56:04,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:56:04,836 INFO L82 PathProgramCache]: Analyzing trace with hash -1309125253, now seen corresponding path program 1 times [2019-10-03 02:56:04,836 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:56:04,843 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:04,843 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:56:04,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:04,844 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:56:04,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:56:05,160 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2019-10-03 02:56:05,160 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:56:05,160 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-03 02:56:05,161 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:56:05,161 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-03 02:56:05,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-03 02:56:05,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-03 02:56:05,162 INFO L87 Difference]: Start difference. First operand 1190 states and 1704 transitions. Second operand 9 states. [2019-10-03 02:56:05,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:56:05,520 INFO L93 Difference]: Finished difference Result 1178 states and 1674 transitions. [2019-10-03 02:56:05,521 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-03 02:56:05,521 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 276 [2019-10-03 02:56:05,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:56:05,529 INFO L225 Difference]: With dead ends: 1178 [2019-10-03 02:56:05,529 INFO L226 Difference]: Without dead ends: 1164 [2019-10-03 02:56:05,530 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2019-10-03 02:56:05,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1164 states. [2019-10-03 02:56:05,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1164 to 1160. [2019-10-03 02:56:05,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1160 states. [2019-10-03 02:56:05,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1160 states to 1160 states and 1653 transitions. [2019-10-03 02:56:05,576 INFO L78 Accepts]: Start accepts. Automaton has 1160 states and 1653 transitions. Word has length 276 [2019-10-03 02:56:05,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:56:05,576 INFO L475 AbstractCegarLoop]: Abstraction has 1160 states and 1653 transitions. [2019-10-03 02:56:05,577 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-03 02:56:05,577 INFO L276 IsEmpty]: Start isEmpty. Operand 1160 states and 1653 transitions. [2019-10-03 02:56:05,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2019-10-03 02:56:05,585 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:56:05,585 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-10-03 02:56:05,586 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:56:05,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:56:05,586 INFO L82 PathProgramCache]: Analyzing trace with hash -866990585, now seen corresponding path program 1 times [2019-10-03 02:56:05,586 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:56:05,591 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:05,591 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:56:05,591 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:05,591 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:56:05,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:56:06,281 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 21 proven. 8 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2019-10-03 02:56:06,282 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-03 02:56:06,282 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-10-03 02:56:06,283 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 270 with the following transitions: [2019-10-03 02:56:06,285 INFO L207 CegarAbsIntRunner]: [29], [30], [59], [62], [72], [96], [99], [109], [110], [113], [118], [120], [122], [126], [129], [143], [144], [146], [256], [258], [261], [262], [265], [266], [267], [270], [276], [277], [278], [300], [303], [312], [333], [335], [336], [339], [349], [350], [351], [362], [364], [565], [567], [568], [569], [570], [572], [573], [579], [582], [584], [589], [593], [595], [626], [629], [643], [672], [673], [674], [676], [678], [680], [714], [718], [721], [739], [742], [767], [770], [795], [798], [801], [810], [814], [816], [818], [821], [828], [835], [838], [1099], [1153], [1155], [1172], [1175], [1194], [1205], [1208], [1209], [1212], [1215], [1246], [1247], [1249], [1251], [1258], [1261], [1264], [1266], [1268], [1335], [1338], [1344], [1379], [1382], [1396], [1404], [1407], [1416], [1430], [1431], [1610], [1612], [1614], [1616], [1617], [1639], [1640], [1641], [1642], [1643], [1644], [1645], [1646], [1647], [1649], [1650], [1651], [1652], [1653], [1654], [1657], [1658], [1659], [1660], [1661], [1662], [1663], [1664], [1665], [1666], [1681], [1682], [1687], [1688], [1705], [1706], [1707], [1708], [1715], [1716], [1717], [1725], [1726], [1727], [1728], [1729], [1730], [1731], [1732], [1733], [1734], [1735], [1736], [1737], [1738], [1739], [1741], [1742], [1743], [1744], [1753], [1754], [1755], [1756], [1767], [1768], [1789], [1791], [1792], [1809], [1810], [1811], [1812], [1813], [1814], [1815], [1816], [1817], [1818], [1823], [1824], [1825], [1826], [1827], [1828], [1849], [1850], [1851], [1852], [1853], [1854], [1855], [1856], [1857] [2019-10-03 02:56:06,333 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-03 02:56:06,334 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 02:56:06,447 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-03 02:56:06,449 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 206 root evaluator evaluations with a maximum evaluation depth of 0. Performed 206 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 378 variables. [2019-10-03 02:56:06,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:56:06,454 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-03 02:56:06,541 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-03 02:56:06,541 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-10-03 02:56:06,556 INFO L420 sIntCurrentIteration]: We unified 268 AI predicates to 268 [2019-10-03 02:56:06,557 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-03 02:56:06,558 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-03 02:56:06,558 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [21] total 21 [2019-10-03 02:56:06,558 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:56:06,559 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:56:06,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:56:06,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:56:06,560 INFO L87 Difference]: Start difference. First operand 1160 states and 1653 transitions. Second operand 2 states. [2019-10-03 02:56:06,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:56:06,561 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-10-03 02:56:06,561 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:56:06,561 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 269 [2019-10-03 02:56:06,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:56:06,561 INFO L225 Difference]: With dead ends: 2 [2019-10-03 02:56:06,562 INFO L226 Difference]: Without dead ends: 0 [2019-10-03 02:56:06,562 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 268 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 02:56:06,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-03 02:56:06,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-03 02:56:06,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-03 02:56:06,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-03 02:56:06,564 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 269 [2019-10-03 02:56:06,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:56:06,564 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-03 02:56:06,564 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:56:06,565 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-03 02:56:06,565 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-03 02:56:06,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 02:56:06 BoogieIcfgContainer [2019-10-03 02:56:06,571 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-03 02:56:06,575 INFO L168 Benchmark]: Toolchain (without parser) took 9159.23 ms. Allocated memory was 136.3 MB in the beginning and 453.5 MB in the end (delta: 317.2 MB). Free memory was 80.9 MB in the beginning and 273.0 MB in the end (delta: -192.1 MB). Peak memory consumption was 125.1 MB. Max. memory is 7.1 GB. [2019-10-03 02:56:06,576 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 136.3 MB. Free memory was 102.3 MB in the beginning and 102.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-03 02:56:06,578 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1090.26 ms. Allocated memory was 136.3 MB in the beginning and 199.8 MB in the end (delta: 63.4 MB). Free memory was 80.7 MB in the beginning and 133.5 MB in the end (delta: -52.8 MB). Peak memory consumption was 31.0 MB. Max. memory is 7.1 GB. [2019-10-03 02:56:06,579 INFO L168 Benchmark]: Boogie Preprocessor took 267.56 ms. Allocated memory is still 199.8 MB. Free memory was 133.5 MB in the beginning and 124.5 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-10-03 02:56:06,581 INFO L168 Benchmark]: RCFGBuilder took 2762.16 ms. Allocated memory was 199.8 MB in the beginning and 276.8 MB in the end (delta: 77.1 MB). Free memory was 124.5 MB in the beginning and 178.1 MB in the end (delta: -53.6 MB). Peak memory consumption was 86.2 MB. Max. memory is 7.1 GB. [2019-10-03 02:56:06,586 INFO L168 Benchmark]: TraceAbstraction took 5034.44 ms. Allocated memory was 276.8 MB in the beginning and 453.5 MB in the end (delta: 176.7 MB). Free memory was 175.7 MB in the beginning and 273.0 MB in the end (delta: -97.3 MB). Peak memory consumption was 79.4 MB. Max. memory is 7.1 GB. [2019-10-03 02:56:06,593 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 136.3 MB. Free memory was 102.3 MB in the beginning and 102.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1090.26 ms. Allocated memory was 136.3 MB in the beginning and 199.8 MB in the end (delta: 63.4 MB). Free memory was 80.7 MB in the beginning and 133.5 MB in the end (delta: -52.8 MB). Peak memory consumption was 31.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 267.56 ms. Allocated memory is still 199.8 MB. Free memory was 133.5 MB in the beginning and 124.5 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2762.16 ms. Allocated memory was 199.8 MB in the beginning and 276.8 MB in the end (delta: 77.1 MB). Free memory was 124.5 MB in the beginning and 178.1 MB in the end (delta: -53.6 MB). Peak memory consumption was 86.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5034.44 ms. Allocated memory was 276.8 MB in the beginning and 453.5 MB in the end (delta: 176.7 MB). Free memory was 175.7 MB in the beginning and 273.0 MB in the end (delta: -97.3 MB). Peak memory consumption was 79.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 407]: 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 110 procedures, 755 locations, 1 error locations. SAFE Result, 4.9s OverallTime, 7 OverallIterations, 4 TraceHistogramMax, 1.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4068 SDtfs, 1836 SDslu, 8142 SDs, 0 SdLazy, 348 SolverSat, 41 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 313 GetRequests, 290 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1190occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.1s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 1.9664179104477613 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 7 MinimizatonAttempts, 18 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1452 NumberOfCodeBlocks, 1452 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1445 ConstructedInterpolants, 0 QuantifiedInterpolants, 414762 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 412/420 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...