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_spec8_product21.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 02:55:31,513 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 02:55:31,515 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 02:55:31,527 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 02:55:31,528 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 02:55:31,529 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 02:55:31,530 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 02:55:31,532 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 02:55:31,534 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 02:55:31,534 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 02:55:31,535 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 02:55:31,537 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 02:55:31,537 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 02:55:31,538 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 02:55:31,539 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 02:55:31,540 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 02:55:31,541 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 02:55:31,542 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 02:55:31,544 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 02:55:31,546 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 02:55:31,548 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 02:55:31,549 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 02:55:31,550 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 02:55:31,551 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 02:55:31,557 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 02:55:31,559 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 02:55:31,559 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 02:55:31,560 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 02:55:31,561 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 02:55:31,561 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 02:55:31,562 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 02:55:31,565 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 02:55:31,566 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 02:55:31,566 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 02:55:31,567 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 02:55:31,567 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 02:55:31,571 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 02:55:31,571 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 02:55:31,571 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 02:55:31,573 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 02:55:31,574 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 02:55:31,575 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 02:55:31,604 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 02:55:31,604 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 02:55:31,605 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 02:55:31,606 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 02:55:31,606 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 02:55:31,607 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 02:55:31,607 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 02:55:31,607 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 02:55:31,607 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 02:55:31,607 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 02:55:31,612 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 02:55:31,612 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 02:55:31,612 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 02:55:31,613 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 02:55:31,613 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 02:55:31,613 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 02:55:31,613 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 02:55:31,614 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 02:55:31,614 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 02:55:31,614 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 02:55:31,614 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 02:55:31,614 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 02:55:31,615 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 02:55:31,615 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:55:31,615 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 02:55:31,615 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 02:55:31,616 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 02:55:31,616 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 02:55:31,616 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 02:55:31,616 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 02:55:31,645 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 02:55:31,662 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 02:55:31,666 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 02:55:31,668 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 02:55:31,669 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 02:55:31,670 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec8_product21.cil.c [2019-10-03 02:55:31,749 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1664c9bf1/dee3f47d38a9446bb470fead153cdfae/FLAG6cc5d2065 [2019-10-03 02:55:32,353 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 02:55:32,354 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec8_product21.cil.c [2019-10-03 02:55:32,374 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1664c9bf1/dee3f47d38a9446bb470fead153cdfae/FLAG6cc5d2065 [2019-10-03 02:55:32,608 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1664c9bf1/dee3f47d38a9446bb470fead153cdfae [2019-10-03 02:55:32,617 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 02:55:32,618 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 02:55:32,620 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 02:55:32,620 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 02:55:32,624 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 02:55:32,625 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:55:32" (1/1) ... [2019-10-03 02:55:32,628 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e9ca86a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:32, skipping insertion in model container [2019-10-03 02:55:32,628 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:55:32" (1/1) ... [2019-10-03 02:55:32,636 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 02:55:32,715 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 02:55:33,498 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:55:33,516 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 02:55:33,612 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:55:33,700 INFO L192 MainTranslator]: Completed translation [2019-10-03 02:55:33,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:33 WrapperNode [2019-10-03 02:55:33,700 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 02:55:33,701 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 02:55:33,701 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 02:55:33,702 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 02:55:33,716 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:33" (1/1) ... [2019-10-03 02:55:33,716 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:33" (1/1) ... [2019-10-03 02:55:33,755 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:33" (1/1) ... [2019-10-03 02:55:33,756 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:33" (1/1) ... [2019-10-03 02:55:33,824 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:33" (1/1) ... [2019-10-03 02:55:33,842 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:33" (1/1) ... [2019-10-03 02:55:33,854 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:33" (1/1) ... [2019-10-03 02:55:33,872 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 02:55:33,873 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 02:55:33,873 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 02:55:33,876 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 02:55:33,877 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:33" (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 02:55:33,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 02:55:33,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 02:55:33,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-03 02:55:33,987 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-03 02:55:33,987 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-03 02:55:33,987 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-03 02:55:33,987 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-03 02:55:33,988 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-03 02:55:33,988 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-03 02:55:33,988 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-03 02:55:33,989 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-03 02:55:33,989 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-03 02:55:33,989 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 02:55:33,990 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-03 02:55:33,991 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-03 02:55:33,992 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-03 02:55:33,992 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-03 02:55:33,992 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-03 02:55:33,993 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-03 02:55:33,993 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-03 02:55:33,993 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-03 02:55:33,993 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-03 02:55:33,994 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-03 02:55:33,994 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-03 02:55:33,994 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-03 02:55:33,995 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-03 02:55:33,995 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-03 02:55:33,995 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-03 02:55:33,996 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-03 02:55:33,996 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-03 02:55:33,996 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-03 02:55:33,996 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-03 02:55:33,996 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2019-10-03 02:55:33,996 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-03 02:55:33,996 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-03 02:55:33,997 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AddressBook [2019-10-03 02:55:33,997 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-03 02:55:33,997 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-03 02:55:33,998 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-03 02:55:33,998 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-03 02:55:33,998 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-03 02:55:33,998 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-03 02:55:33,998 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-03 02:55:33,998 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-03 02:55:33,999 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-03 02:55:33,999 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-03 02:55:33,999 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-03 02:55:33,999 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-03 02:55:33,999 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-03 02:55:33,999 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-03 02:55:34,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-03 02:55:34,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-03 02:55:34,000 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-03 02:55:34,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-03 02:55:34,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-03 02:55:34,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-03 02:55:34,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__1 [2019-10-03 02:55:34,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__2 [2019-10-03 02:55:34,001 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-03 02:55:34,002 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-03 02:55:34,002 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-03 02:55:34,002 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-03 02:55:34,002 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-03 02:55:34,003 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-03 02:55:34,003 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-03 02:55:34,003 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-03 02:55:34,003 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-03 02:55:34,004 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-03 02:55:34,004 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-03 02:55:34,004 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-03 02:55:34,004 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-03 02:55:34,004 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-03 02:55:34,005 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-03 02:55:34,006 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-03 02:55:34,006 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-03 02:55:34,006 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-03 02:55:34,006 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-03 02:55:34,006 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-03 02:55:34,006 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-03 02:55:34,007 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-03 02:55:34,007 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-03 02:55:34,008 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-03 02:55:34,008 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-03 02:55:34,008 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-03 02:55:34,008 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-03 02:55:34,009 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-03 02:55:34,010 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-03 02:55:34,010 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-03 02:55:34,010 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-03 02:55:34,010 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-03 02:55:34,011 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-03 02:55:34,011 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-03 02:55:34,011 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-03 02:55:34,011 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-03 02:55:34,011 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-03 02:55:34,011 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-03 02:55:34,011 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-03 02:55:34,012 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-03 02:55:34,012 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-03 02:55:34,012 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-03 02:55:34,012 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-03 02:55:34,012 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-03 02:55:34,012 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-03 02:55:34,012 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-03 02:55:34,013 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-03 02:55:34,013 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-03 02:55:34,013 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-03 02:55:34,013 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-03 02:55:34,013 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-03 02:55:34,013 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-03 02:55:34,014 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-03 02:55:34,014 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-03 02:55:34,014 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-03 02:55:34,014 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 02:55:34,015 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 02:55:34,015 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-03 02:55:34,015 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-03 02:55:34,015 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-03 02:55:34,016 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-03 02:55:34,016 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-03 02:55:34,017 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-03 02:55:34,017 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-03 02:55:34,017 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-03 02:55:34,018 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-03 02:55:34,018 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-03 02:55:34,019 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-03 02:55:34,019 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-03 02:55:34,019 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-03 02:55:34,019 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-03 02:55:34,019 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-03 02:55:34,020 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-03 02:55:34,020 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-03 02:55:34,020 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-03 02:55:34,020 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-03 02:55:34,020 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-03 02:55:34,020 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-03 02:55:34,020 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-03 02:55:34,021 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-03 02:55:34,021 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-03 02:55:34,024 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-03 02:55:34,025 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-03 02:55:34,025 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-03 02:55:34,026 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-03 02:55:34,032 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-03 02:55:34,032 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 02:55:34,032 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-03 02:55:34,032 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-03 02:55:34,032 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-03 02:55:34,033 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-03 02:55:34,033 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-03 02:55:34,033 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-03 02:55:34,033 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-03 02:55:34,035 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-03 02:55:34,035 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-03 02:55:34,035 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-03 02:55:34,035 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-03 02:55:34,036 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-03 02:55:34,036 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-03 02:55:34,036 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-03 02:55:34,036 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 02:55:34,036 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-03 02:55:34,036 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-03 02:55:34,036 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-03 02:55:34,037 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-03 02:55:34,037 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-03 02:55:34,037 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-03 02:55:34,037 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-03 02:55:34,037 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-03 02:55:34,037 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-03 02:55:34,037 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-03 02:55:34,038 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-03 02:55:34,038 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-03 02:55:34,038 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-03 02:55:34,038 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-03 02:55:34,038 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-03 02:55:34,038 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-03 02:55:34,039 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-03 02:55:34,039 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-03 02:55:34,039 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-03 02:55:34,039 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-03 02:55:34,039 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-03 02:55:34,039 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-03 02:55:34,039 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-03 02:55:34,040 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-03 02:55:34,040 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-03 02:55:34,040 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-03 02:55:34,040 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-03 02:55:34,040 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-03 02:55:34,040 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-03 02:55:34,040 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-03 02:55:34,040 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__2 [2019-10-03 02:55:34,041 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-03 02:55:34,041 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2019-10-03 02:55:34,041 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AddressBook [2019-10-03 02:55:34,041 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-03 02:55:34,041 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__1 [2019-10-03 02:55:34,041 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-03 02:55:34,041 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-03 02:55:34,042 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 02:55:34,042 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 02:55:34,042 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-03 02:55:34,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 02:55:34,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 02:55:34,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 02:55:34,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 02:55:34,042 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-03 02:55:34,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 02:55:34,043 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-03 02:55:34,043 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-03 02:55:34,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 02:55:34,043 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-03 02:55:34,043 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-03 02:55:34,044 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-03 02:55:34,044 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-03 02:55:34,044 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-03 02:55:34,044 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-03 02:55:34,044 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-03 02:55:34,044 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-03 02:55:34,045 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-03 02:55:34,045 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-03 02:55:34,045 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-03 02:55:34,045 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-03 02:55:34,045 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-03 02:55:34,045 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-03 02:55:34,046 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-03 02:55:34,046 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-03 02:55:34,046 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-03 02:55:34,046 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-03 02:55:34,046 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-03 02:55:34,046 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-03 02:55:34,046 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-03 02:55:34,047 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-03 02:55:34,047 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-03 02:55:34,047 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-03 02:55:34,047 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-03 02:55:34,047 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-03 02:55:34,048 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-03 02:55:34,048 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-03 02:55:34,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 02:55:34,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 02:55:34,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 02:55:36,416 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 02:55:36,416 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-03 02:55:36,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:55:36 BoogieIcfgContainer [2019-10-03 02:55:36,420 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 02:55:36,421 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 02:55:36,421 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 02:55:36,425 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 02:55:36,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 02:55:32" (1/3) ... [2019-10-03 02:55:36,426 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3993e681 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:55:36, skipping insertion in model container [2019-10-03 02:55:36,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:33" (2/3) ... [2019-10-03 02:55:36,427 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3993e681 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:55:36, skipping insertion in model container [2019-10-03 02:55:36,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:55:36" (3/3) ... [2019-10-03 02:55:36,429 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec8_product21.cil.c [2019-10-03 02:55:36,442 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 02:55:36,455 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 02:55:36,475 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 02:55:36,505 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 02:55:36,505 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 02:55:36,505 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 02:55:36,505 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 02:55:36,506 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 02:55:36,506 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 02:55:36,506 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 02:55:36,506 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 02:55:36,550 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states. [2019-10-03 02:55:36,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-10-03 02:55:36,593 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:55:36,595 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 02:55:36,597 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:55:36,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:55:36,606 INFO L82 PathProgramCache]: Analyzing trace with hash 857697907, now seen corresponding path program 1 times [2019-10-03 02:55:36,609 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:55:36,676 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:36,677 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:55:36,677 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:36,677 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:55:36,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:55:37,223 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 02:55:37,225 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:55:37,226 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-03 02:55:37,226 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:55:37,232 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:55:37,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:55:37,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:55:37,250 INFO L87 Difference]: Start difference. First operand 573 states. Second operand 2 states. [2019-10-03 02:55:37,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:55:37,303 INFO L93 Difference]: Finished difference Result 553 states and 753 transitions. [2019-10-03 02:55:37,303 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:55:37,306 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 154 [2019-10-03 02:55:37,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:55:37,345 INFO L225 Difference]: With dead ends: 553 [2019-10-03 02:55:37,345 INFO L226 Difference]: Without dead ends: 544 [2019-10-03 02:55:37,349 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 02:55:37,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 544 states. [2019-10-03 02:55:37,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 544 to 544. [2019-10-03 02:55:37,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 544 states. [2019-10-03 02:55:37,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 742 transitions. [2019-10-03 02:55:37,460 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 742 transitions. Word has length 154 [2019-10-03 02:55:37,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:55:37,463 INFO L475 AbstractCegarLoop]: Abstraction has 544 states and 742 transitions. [2019-10-03 02:55:37,463 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:55:37,463 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 742 transitions. [2019-10-03 02:55:37,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-10-03 02:55:37,467 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:55:37,468 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 02:55:37,468 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:55:37,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:55:37,469 INFO L82 PathProgramCache]: Analyzing trace with hash 2017038380, now seen corresponding path program 1 times [2019-10-03 02:55:37,470 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:55:37,474 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:37,474 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:55:37,474 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:37,475 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:55:37,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:55:37,718 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 02:55:37,719 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:55:37,719 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:55:37,719 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:55:37,724 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:55:37,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:55:37,725 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:55:37,725 INFO L87 Difference]: Start difference. First operand 544 states and 742 transitions. Second operand 3 states. [2019-10-03 02:55:37,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:55:37,794 INFO L93 Difference]: Finished difference Result 547 states and 745 transitions. [2019-10-03 02:55:37,794 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:55:37,794 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 155 [2019-10-03 02:55:37,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:55:37,799 INFO L225 Difference]: With dead ends: 547 [2019-10-03 02:55:37,799 INFO L226 Difference]: Without dead ends: 547 [2019-10-03 02:55:37,802 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 02:55:37,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states. [2019-10-03 02:55:37,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 546. [2019-10-03 02:55:37,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 546 states. [2019-10-03 02:55:37,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 744 transitions. [2019-10-03 02:55:37,851 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 744 transitions. Word has length 155 [2019-10-03 02:55:37,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:55:37,852 INFO L475 AbstractCegarLoop]: Abstraction has 546 states and 744 transitions. [2019-10-03 02:55:37,852 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:55:37,852 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 744 transitions. [2019-10-03 02:55:37,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2019-10-03 02:55:37,855 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:55:37,855 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 02:55:37,856 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:55:37,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:55:37,856 INFO L82 PathProgramCache]: Analyzing trace with hash 480175040, now seen corresponding path program 1 times [2019-10-03 02:55:37,856 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:55:37,861 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:37,861 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:55:37,861 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:37,861 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:55:37,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:55:38,110 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 02:55:38,111 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:55:38,111 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:55:38,111 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:55:38,116 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:55:38,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:55:38,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:55:38,122 INFO L87 Difference]: Start difference. First operand 546 states and 744 transitions. Second operand 3 states. [2019-10-03 02:55:38,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:55:38,183 INFO L93 Difference]: Finished difference Result 589 states and 817 transitions. [2019-10-03 02:55:38,183 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:55:38,183 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 161 [2019-10-03 02:55:38,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:55:38,198 INFO L225 Difference]: With dead ends: 589 [2019-10-03 02:55:38,199 INFO L226 Difference]: Without dead ends: 589 [2019-10-03 02:55:38,199 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 02:55:38,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 589 states. [2019-10-03 02:55:38,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 589 to 588. [2019-10-03 02:55:38,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 588 states. [2019-10-03 02:55:38,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 816 transitions. [2019-10-03 02:55:38,252 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 816 transitions. Word has length 161 [2019-10-03 02:55:38,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:55:38,253 INFO L475 AbstractCegarLoop]: Abstraction has 588 states and 816 transitions. [2019-10-03 02:55:38,253 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:55:38,253 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 816 transitions. [2019-10-03 02:55:38,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2019-10-03 02:55:38,264 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:55:38,265 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 02:55:38,267 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:55:38,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:55:38,268 INFO L82 PathProgramCache]: Analyzing trace with hash -868910391, now seen corresponding path program 1 times [2019-10-03 02:55:38,268 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:55:38,276 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:38,276 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:55:38,277 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:38,277 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:55:38,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:55:38,607 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 02:55:38,608 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:55:38,608 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:55:38,608 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:55:38,609 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:55:38,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:55:38,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:55:38,609 INFO L87 Difference]: Start difference. First operand 588 states and 816 transitions. Second operand 3 states. [2019-10-03 02:55:38,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:55:38,650 INFO L93 Difference]: Finished difference Result 702 states and 980 transitions. [2019-10-03 02:55:38,652 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:55:38,652 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 162 [2019-10-03 02:55:38,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:55:38,660 INFO L225 Difference]: With dead ends: 702 [2019-10-03 02:55:38,660 INFO L226 Difference]: Without dead ends: 702 [2019-10-03 02:55:38,660 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 02:55:38,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 702 states. [2019-10-03 02:55:38,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 702 to 701. [2019-10-03 02:55:38,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 701 states. [2019-10-03 02:55:38,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 701 states and 978 transitions. [2019-10-03 02:55:38,698 INFO L78 Accepts]: Start accepts. Automaton has 701 states and 978 transitions. Word has length 162 [2019-10-03 02:55:38,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:55:38,699 INFO L475 AbstractCegarLoop]: Abstraction has 701 states and 978 transitions. [2019-10-03 02:55:38,699 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:55:38,699 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 978 transitions. [2019-10-03 02:55:38,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2019-10-03 02:55:38,706 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:55:38,706 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:55:38,707 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:55:38,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:55:38,708 INFO L82 PathProgramCache]: Analyzing trace with hash -1149971746, now seen corresponding path program 1 times [2019-10-03 02:55:38,708 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:55:38,713 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:38,713 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:55:38,714 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:38,714 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:55:38,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:55:39,079 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 02:55:39,080 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:55:39,080 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-03 02:55:39,080 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:55:39,081 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-03 02:55:39,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-03 02:55:39,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-03 02:55:39,082 INFO L87 Difference]: Start difference. First operand 701 states and 978 transitions. Second operand 6 states. [2019-10-03 02:55:39,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:55:39,900 INFO L93 Difference]: Finished difference Result 1353 states and 1902 transitions. [2019-10-03 02:55:39,900 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-03 02:55:39,901 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 286 [2019-10-03 02:55:39,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:55:39,910 INFO L225 Difference]: With dead ends: 1353 [2019-10-03 02:55:39,910 INFO L226 Difference]: Without dead ends: 1353 [2019-10-03 02:55:39,911 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 02:55:39,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1353 states. [2019-10-03 02:55:39,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1353 to 1342. [2019-10-03 02:55:39,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1342 states. [2019-10-03 02:55:39,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1342 states to 1342 states and 1892 transitions. [2019-10-03 02:55:39,973 INFO L78 Accepts]: Start accepts. Automaton has 1342 states and 1892 transitions. Word has length 286 [2019-10-03 02:55:39,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:55:39,975 INFO L475 AbstractCegarLoop]: Abstraction has 1342 states and 1892 transitions. [2019-10-03 02:55:39,976 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-03 02:55:39,976 INFO L276 IsEmpty]: Start isEmpty. Operand 1342 states and 1892 transitions. [2019-10-03 02:55:39,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2019-10-03 02:55:39,984 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:55:39,984 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:55:39,985 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:55:39,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:55:39,985 INFO L82 PathProgramCache]: Analyzing trace with hash 1823902781, now seen corresponding path program 1 times [2019-10-03 02:55:39,985 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:55:39,991 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:39,992 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:55:39,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:39,992 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:55:40,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:55:40,290 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 02:55:40,290 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:55:40,290 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-03 02:55:40,290 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:55:40,291 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-03 02:55:40,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-03 02:55:40,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-03 02:55:40,292 INFO L87 Difference]: Start difference. First operand 1342 states and 1892 transitions. Second operand 9 states. [2019-10-03 02:55:40,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:55:40,630 INFO L93 Difference]: Finished difference Result 1330 states and 1862 transitions. [2019-10-03 02:55:40,630 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-03 02:55:40,631 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 287 [2019-10-03 02:55:40,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:55:40,640 INFO L225 Difference]: With dead ends: 1330 [2019-10-03 02:55:40,641 INFO L226 Difference]: Without dead ends: 1316 [2019-10-03 02:55:40,641 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 02:55:40,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1316 states. [2019-10-03 02:55:40,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1316 to 1312. [2019-10-03 02:55:40,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1312 states. [2019-10-03 02:55:40,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1312 states to 1312 states and 1841 transitions. [2019-10-03 02:55:40,699 INFO L78 Accepts]: Start accepts. Automaton has 1312 states and 1841 transitions. Word has length 287 [2019-10-03 02:55:40,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:55:40,700 INFO L475 AbstractCegarLoop]: Abstraction has 1312 states and 1841 transitions. [2019-10-03 02:55:40,700 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-03 02:55:40,700 INFO L276 IsEmpty]: Start isEmpty. Operand 1312 states and 1841 transitions. [2019-10-03 02:55:40,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2019-10-03 02:55:40,710 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:55:40,711 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:55:40,711 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:55:40,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:55:40,711 INFO L82 PathProgramCache]: Analyzing trace with hash 58369020, now seen corresponding path program 1 times [2019-10-03 02:55:40,712 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:55:40,716 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:40,717 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:55:40,717 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:40,717 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:55:40,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:55:41,241 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 02:55:41,242 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-03 02:55:41,242 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-10-03 02:55:41,244 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 281 with the following transitions: [2019-10-03 02:55:41,246 INFO L207 CegarAbsIntRunner]: [29], [30], [44], [47], [54], [56], [72], [75], [85], [109], [112], [122], [123], [126], [131], [133], [135], [139], [142], [156], [157], [159], [269], [271], [274], [275], [278], [279], [280], [283], [289], [290], [291], [313], [316], [325], [346], [348], [349], [352], [362], [363], [364], [375], [377], [394], [397], [399], [404], [408], [410], [424], [426], [427], [603], [605], [606], [607], [645], [648], [662], [691], [692], [693], [695], [697], [699], [733], [737], [740], [758], [761], [772], [775], [785], [786], [789], [814], [817], [820], [829], [833], [835], [837], [840], [847], [854], [857], [1120], [1192], [1194], [1211], [1214], [1215], [1226], [1229], [1230], [1233], [1236], [1267], [1268], [1270], [1272], [1279], [1282], [1285], [1287], [1289], [1356], [1359], [1365], [1400], [1403], [1417], [1425], [1428], [1437], [1451], [1452], [1631], [1633], [1635], [1637], [1638], [1650], [1651], [1652], [1653], [1668], [1669], [1670], [1671], [1672], [1673], [1674], [1675], [1676], [1678], [1679], [1680], [1681], [1682], [1683], [1686], [1687], [1688], [1689], [1690], [1691], [1692], [1693], [1694], [1695], [1710], [1711], [1716], [1717], [1718], [1719], [1720], [1722], [1723], [1744], [1745], [1760], [1761], [1762], [1763], [1764], [1765], [1766], [1767], [1768], [1769], [1770], [1771], [1772], [1773], [1774], [1776], [1777], [1778], [1779], [1788], [1789], [1790], [1791], [1802], [1803], [1826], [1828], [1829], [1846], [1847], [1848], [1849], [1850], [1851], [1852], [1853], [1854], [1855], [1860], [1861], [1862], [1863], [1864], [1865], [1886], [1887], [1888], [1889], [1890], [1891], [1892], [1893], [1894] [2019-10-03 02:55:41,315 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-03 02:55:41,315 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 02:55:41,492 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-03 02:55:41,493 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 208 root evaluator evaluations with a maximum evaluation depth of 0. Performed 208 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 382 variables. [2019-10-03 02:55:41,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:55:41,499 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-03 02:55:41,594 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-03 02:55:41,594 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-10-03 02:55:41,601 INFO L420 sIntCurrentIteration]: We unified 279 AI predicates to 279 [2019-10-03 02:55:41,601 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-03 02:55:41,602 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-03 02:55:41,602 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [22] total 22 [2019-10-03 02:55:41,602 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:55:41,605 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:55:41,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:55:41,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:55:41,606 INFO L87 Difference]: Start difference. First operand 1312 states and 1841 transitions. Second operand 2 states. [2019-10-03 02:55:41,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:55:41,606 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-10-03 02:55:41,607 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:55:41,607 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 280 [2019-10-03 02:55:41,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:55:41,607 INFO L225 Difference]: With dead ends: 2 [2019-10-03 02:55:41,607 INFO L226 Difference]: Without dead ends: 0 [2019-10-03 02:55:41,608 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 279 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 02:55:41,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-03 02:55:41,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-03 02:55:41,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-03 02:55:41,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-03 02:55:41,608 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 280 [2019-10-03 02:55:41,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:55:41,609 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-03 02:55:41,609 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:55:41,609 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-03 02:55:41,609 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-03 02:55:41,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 02:55:41 BoogieIcfgContainer [2019-10-03 02:55:41,615 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-03 02:55:41,617 INFO L168 Benchmark]: Toolchain (without parser) took 8998.08 ms. Allocated memory was 134.7 MB in the beginning and 403.2 MB in the end (delta: 268.4 MB). Free memory was 88.5 MB in the beginning and 260.8 MB in the end (delta: -172.3 MB). Peak memory consumption was 96.1 MB. Max. memory is 7.1 GB. [2019-10-03 02:55:41,618 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 134.7 MB. Free memory was 109.0 MB in the beginning and 108.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-03 02:55:41,619 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1081.23 ms. Allocated memory was 134.7 MB in the beginning and 200.3 MB in the end (delta: 65.5 MB). Free memory was 88.3 MB in the beginning and 131.0 MB in the end (delta: -42.7 MB). Peak memory consumption was 32.9 MB. Max. memory is 7.1 GB. [2019-10-03 02:55:41,620 INFO L168 Benchmark]: Boogie Preprocessor took 171.02 ms. Allocated memory is still 200.3 MB. Free memory was 131.0 MB in the beginning and 122.0 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2019-10-03 02:55:41,621 INFO L168 Benchmark]: RCFGBuilder took 2547.18 ms. Allocated memory was 200.3 MB in the beginning and 261.1 MB in the end (delta: 60.8 MB). Free memory was 122.0 MB in the beginning and 143.8 MB in the end (delta: -21.8 MB). Peak memory consumption was 82.7 MB. Max. memory is 7.1 GB. [2019-10-03 02:55:41,622 INFO L168 Benchmark]: TraceAbstraction took 5193.69 ms. Allocated memory was 261.1 MB in the beginning and 403.2 MB in the end (delta: 142.1 MB). Free memory was 143.8 MB in the beginning and 260.8 MB in the end (delta: -117.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. [2019-10-03 02:55:41,626 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 134.7 MB. Free memory was 109.0 MB in the beginning and 108.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1081.23 ms. Allocated memory was 134.7 MB in the beginning and 200.3 MB in the end (delta: 65.5 MB). Free memory was 88.3 MB in the beginning and 131.0 MB in the end (delta: -42.7 MB). Peak memory consumption was 32.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 171.02 ms. Allocated memory is still 200.3 MB. Free memory was 131.0 MB in the beginning and 122.0 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2547.18 ms. Allocated memory was 200.3 MB in the beginning and 261.1 MB in the end (delta: 60.8 MB). Free memory was 122.0 MB in the beginning and 143.8 MB in the end (delta: -21.8 MB). Peak memory consumption was 82.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5193.69 ms. Allocated memory was 261.1 MB in the beginning and 403.2 MB in the end (delta: 142.1 MB). Free memory was 143.8 MB in the beginning and 260.8 MB in the end (delta: -117.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 805]: 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 113 procedures, 774 locations, 1 error locations. SAFE Result, 5.1s OverallTime, 7 OverallIterations, 4 TraceHistogramMax, 1.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4627 SDtfs, 2034 SDslu, 9300 SDs, 0 SdLazy, 382 SolverSat, 45 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 324 GetRequests, 301 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1342occurred in iteration=5, 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, 1.946236559139785 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, 0.5s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 1485 NumberOfCodeBlocks, 1485 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1478 ConstructedInterpolants, 0 QuantifiedInterpolants, 441201 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...