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_product29.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 02:46:57,939 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 02:46:57,941 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 02:46:57,954 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 02:46:57,954 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 02:46:57,955 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 02:46:57,956 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 02:46:57,958 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 02:46:57,960 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 02:46:57,961 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 02:46:57,962 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 02:46:57,963 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 02:46:57,963 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 02:46:57,964 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 02:46:57,965 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 02:46:57,966 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 02:46:57,967 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 02:46:57,968 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 02:46:57,970 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 02:46:57,972 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 02:46:57,973 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 02:46:57,975 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 02:46:57,976 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 02:46:57,976 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 02:46:57,982 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 02:46:57,982 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 02:46:57,983 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 02:46:57,986 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 02:46:57,986 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 02:46:57,989 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 02:46:57,989 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 02:46:57,990 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 02:46:57,990 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 02:46:57,992 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 02:46:57,993 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 02:46:57,994 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 02:46:57,997 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 02:46:57,997 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 02:46:57,997 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 02:46:57,999 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 02:46:58,000 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 02:46:58,002 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-10 02:46:58,031 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 02:46:58,032 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 02:46:58,035 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 02:46:58,036 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 02:46:58,037 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 02:46:58,037 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 02:46:58,037 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 02:46:58,037 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 02:46:58,037 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 02:46:58,038 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 02:46:58,038 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 02:46:58,039 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 02:46:58,039 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 02:46:58,040 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 02:46:58,041 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 02:46:58,041 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 02:46:58,041 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 02:46:58,042 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 02:46:58,043 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 02:46:58,043 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 02:46:58,043 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 02:46:58,043 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 02:46:58,044 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 02:46:58,044 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 02:46:58,045 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 02:46:58,045 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 02:46:58,045 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 02:46:58,045 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 02:46:58,045 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 02:46:58,046 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 02:46:58,091 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 02:46:58,107 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 02:46:58,111 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 02:46:58,113 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 02:46:58,114 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 02:46:58,115 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec9_product29.cil.c [2019-09-10 02:46:58,187 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6eb7f9203/a77e6d6aafca4899afdd676da283c022/FLAGa20196f92 [2019-09-10 02:46:58,768 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 02:46:58,769 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec9_product29.cil.c [2019-09-10 02:46:58,791 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6eb7f9203/a77e6d6aafca4899afdd676da283c022/FLAGa20196f92 [2019-09-10 02:46:58,982 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6eb7f9203/a77e6d6aafca4899afdd676da283c022 [2019-09-10 02:46:58,991 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 02:46:58,992 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 02:46:58,993 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 02:46:58,994 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 02:46:58,997 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 02:46:58,998 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:46:58" (1/1) ... [2019-09-10 02:46:59,001 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5eccc939 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:46:58, skipping insertion in model container [2019-09-10 02:46:59,001 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:46:58" (1/1) ... [2019-09-10 02:46:59,009 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 02:46:59,077 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 02:46:59,915 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:46:59,946 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 02:47:00,144 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:47:00,262 INFO L192 MainTranslator]: Completed translation [2019-09-10 02:47:00,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:47:00 WrapperNode [2019-09-10 02:47:00,263 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 02:47:00,265 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 02:47:00,265 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 02:47:00,265 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 02:47:00,280 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:47:00" (1/1) ... [2019-09-10 02:47:00,283 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:47:00" (1/1) ... [2019-09-10 02:47:00,325 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:47:00" (1/1) ... [2019-09-10 02:47:00,325 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:47:00" (1/1) ... [2019-09-10 02:47:00,385 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:47:00" (1/1) ... [2019-09-10 02:47:00,411 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:47:00" (1/1) ... [2019-09-10 02:47:00,430 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:47:00" (1/1) ... [2019-09-10 02:47:00,469 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 02:47:00,470 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 02:47:00,470 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 02:47:00,471 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 02:47:00,472 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:47:00" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 02:47:00,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 02:47:00,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 02:47:00,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-10 02:47:00,564 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-10 02:47:00,564 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-10 02:47:00,564 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-10 02:47:00,564 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-10 02:47:00,565 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-09-10 02:47:00,565 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-09-10 02:47:00,565 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2019-09-10 02:47:00,566 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-09-10 02:47:00,567 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-09-10 02:47:00,567 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-09-10 02:47:00,568 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-09-10 02:47:00,568 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-09-10 02:47:00,569 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__1 [2019-09-10 02:47:00,570 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__2 [2019-09-10 02:47:00,570 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-09-10 02:47:00,570 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-09-10 02:47:00,570 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2019-09-10 02:47:00,571 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-09-10 02:47:00,571 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-09-10 02:47:00,571 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-09-10 02:47:00,571 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-09-10 02:47:00,572 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-09-10 02:47:00,573 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-09-10 02:47:00,573 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-09-10 02:47:00,573 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-09-10 02:47:00,573 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-09-10 02:47:00,573 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-09-10 02:47:00,574 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-09-10 02:47:00,574 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-09-10 02:47:00,574 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-09-10 02:47:00,574 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-09-10 02:47:00,574 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-09-10 02:47:00,574 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-09-10 02:47:00,575 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-09-10 02:47:00,575 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-09-10 02:47:00,575 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-10 02:47:00,575 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-10 02:47:00,575 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-10 02:47:00,575 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-10 02:47:00,576 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-10 02:47:00,576 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-10 02:47:00,576 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-10 02:47:00,577 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-09-10 02:47:00,577 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-09-10 02:47:00,577 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-09-10 02:47:00,577 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-09-10 02:47:00,577 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-09-10 02:47:00,577 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-09-10 02:47:00,577 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-09-10 02:47:00,578 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-09-10 02:47:00,578 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-09-10 02:47:00,578 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-09-10 02:47:00,578 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-09-10 02:47:00,578 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-09-10 02:47:00,578 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-09-10 02:47:00,579 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-09-10 02:47:00,579 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-09-10 02:47:00,579 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-09-10 02:47:00,580 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-09-10 02:47:00,580 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-09-10 02:47:00,580 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-09-10 02:47:00,580 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-09-10 02:47:00,581 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-09-10 02:47:00,581 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-09-10 02:47:00,581 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-09-10 02:47:00,581 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-09-10 02:47:00,581 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-09-10 02:47:00,581 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-09-10 02:47:00,582 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-09-10 02:47:00,582 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-09-10 02:47:00,583 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-09-10 02:47:00,583 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-09-10 02:47:00,583 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-09-10 02:47:00,583 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-09-10 02:47:00,583 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-09-10 02:47:00,583 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-09-10 02:47:00,584 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-09-10 02:47:00,585 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-09-10 02:47:00,585 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-09-10 02:47:00,585 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-09-10 02:47:00,585 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-09-10 02:47:00,585 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-09-10 02:47:00,587 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-09-10 02:47:00,587 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-09-10 02:47:00,588 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-09-10 02:47:00,588 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-09-10 02:47:00,588 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-09-10 02:47:00,589 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-09-10 02:47:00,589 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-09-10 02:47:00,589 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-09-10 02:47:00,589 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-09-10 02:47:00,589 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-09-10 02:47:00,589 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-09-10 02:47:00,590 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-09-10 02:47:00,590 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-09-10 02:47:00,590 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-09-10 02:47:00,590 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-09-10 02:47:00,590 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-09-10 02:47:00,590 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-09-10 02:47:00,591 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-09-10 02:47:00,591 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-10 02:47:00,591 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 02:47:00,591 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-09-10 02:47:00,591 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-09-10 02:47:00,591 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-09-10 02:47:00,592 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-09-10 02:47:00,592 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-09-10 02:47:00,592 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-09-10 02:47:00,592 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-09-10 02:47:00,592 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-09-10 02:47:00,592 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-09-10 02:47:00,593 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-09-10 02:47:00,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-10 02:47:00,594 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 02:47:00,594 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 02:47:00,595 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-10 02:47:00,595 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-10 02:47:00,595 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-10 02:47:00,595 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-10 02:47:00,596 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-10 02:47:00,597 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-09-10 02:47:00,597 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-09-10 02:47:00,598 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-09-10 02:47:00,598 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-09-10 02:47:00,598 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-09-10 02:47:00,598 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-09-10 02:47:00,598 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-09-10 02:47:00,599 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-09-10 02:47:00,599 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-09-10 02:47:00,599 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-09-10 02:47:00,600 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-09-10 02:47:00,600 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-09-10 02:47:00,600 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-09-10 02:47:00,600 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-09-10 02:47:00,601 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-09-10 02:47:00,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 02:47:00,605 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-09-10 02:47:00,606 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2019-09-10 02:47:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-09-10 02:47:00,607 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-10 02:47:00,616 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-09-10 02:47:00,616 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__1 [2019-09-10 02:47:00,617 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__2 [2019-09-10 02:47:00,617 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-09-10 02:47:00,617 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-09-10 02:47:00,617 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-09-10 02:47:00,617 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-09-10 02:47:00,617 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-09-10 02:47:00,618 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-09-10 02:47:00,618 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-09-10 02:47:00,618 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-09-10 02:47:00,618 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-09-10 02:47:00,619 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-09-10 02:47:00,619 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-09-10 02:47:00,619 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-09-10 02:47:00,620 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-09-10 02:47:00,620 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-09-10 02:47:00,620 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-09-10 02:47:00,620 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-09-10 02:47:00,620 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-09-10 02:47:00,620 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-09-10 02:47:00,621 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-09-10 02:47:00,621 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-09-10 02:47:00,621 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-09-10 02:47:00,621 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-09-10 02:47:00,621 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-09-10 02:47:00,621 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-09-10 02:47:00,622 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-09-10 02:47:00,622 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-09-10 02:47:00,622 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-09-10 02:47:00,622 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-09-10 02:47:00,622 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2019-09-10 02:47:00,622 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-09-10 02:47:00,622 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-09-10 02:47:00,622 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-09-10 02:47:00,623 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-09-10 02:47:00,623 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-10 02:47:00,623 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 02:47:00,623 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 02:47:00,623 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-10 02:47:00,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 02:47:00,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 02:47:00,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 02:47:00,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 02:47:00,624 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-10 02:47:00,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 02:47:00,624 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-10 02:47:00,624 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-10 02:47:00,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 02:47:00,624 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-10 02:47:00,625 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-10 02:47:00,625 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-10 02:47:00,625 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-09-10 02:47:00,625 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-09-10 02:47:00,625 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-09-10 02:47:00,625 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-09-10 02:47:00,626 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-09-10 02:47:00,626 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-09-10 02:47:00,626 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-09-10 02:47:00,626 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-09-10 02:47:00,626 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-09-10 02:47:00,627 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-10 02:47:00,627 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-09-10 02:47:00,627 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-09-10 02:47:00,627 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-09-10 02:47:00,627 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-09-10 02:47:00,627 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-09-10 02:47:00,628 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-09-10 02:47:00,628 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-09-10 02:47:00,628 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-09-10 02:47:00,628 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-09-10 02:47:00,628 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-09-10 02:47:00,628 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-09-10 02:47:00,629 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-09-10 02:47:00,629 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-09-10 02:47:00,629 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-09-10 02:47:00,629 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-09-10 02:47:00,629 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-09-10 02:47:00,629 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-09-10 02:47:00,630 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-09-10 02:47:00,630 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-09-10 02:47:00,630 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-09-10 02:47:00,630 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-09-10 02:47:00,630 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-09-10 02:47:00,630 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-09-10 02:47:00,631 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-09-10 02:47:00,631 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-09-10 02:47:00,631 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-09-10 02:47:00,631 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-09-10 02:47:00,631 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-09-10 02:47:00,632 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-09-10 02:47:00,632 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-09-10 02:47:00,632 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-09-10 02:47:00,632 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-09-10 02:47:00,632 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-10 02:47:00,632 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 02:47:00,633 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-09-10 02:47:00,633 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-09-10 02:47:00,633 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-09-10 02:47:00,633 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-09-10 02:47:00,633 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-09-10 02:47:00,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 02:47:00,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 02:47:00,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 02:47:02,752 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 02:47:02,752 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-10 02:47:02,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:47:02 BoogieIcfgContainer [2019-09-10 02:47:02,754 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 02:47:02,755 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 02:47:02,755 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 02:47:02,758 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 02:47:02,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 02:46:58" (1/3) ... [2019-09-10 02:47:02,760 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3480fc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:47:02, skipping insertion in model container [2019-09-10 02:47:02,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:47:00" (2/3) ... [2019-09-10 02:47:02,760 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3480fc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:47:02, skipping insertion in model container [2019-09-10 02:47:02,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:47:02" (3/3) ... [2019-09-10 02:47:02,763 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec9_product29.cil.c [2019-09-10 02:47:02,772 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 02:47:02,789 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 02:47:02,806 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 02:47:02,848 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 02:47:02,848 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 02:47:02,849 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 02:47:02,853 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 02:47:02,853 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 02:47:02,853 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 02:47:02,853 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 02:47:02,854 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 02:47:02,899 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states. [2019-09-10 02:47:02,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2019-09-10 02:47:02,942 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:47:02,944 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:47:02,950 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:47:02,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:47:02,959 INFO L82 PathProgramCache]: Analyzing trace with hash 584994227, now seen corresponding path program 1 times [2019-09-10 02:47:02,962 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:47:03,064 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:03,065 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:47:03,065 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:03,066 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:47:03,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:47:03,653 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-10 02:47:03,656 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:47:03,656 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-10 02:47:03,656 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:47:03,662 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:47:03,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:47:03,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:47:03,680 INFO L87 Difference]: Start difference. First operand 606 states. Second operand 2 states. [2019-09-10 02:47:03,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:47:03,733 INFO L93 Difference]: Finished difference Result 558 states and 763 transitions. [2019-09-10 02:47:03,733 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:47:03,735 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 167 [2019-09-10 02:47:03,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:47:03,763 INFO L225 Difference]: With dead ends: 558 [2019-09-10 02:47:03,763 INFO L226 Difference]: Without dead ends: 549 [2019-09-10 02:47:03,765 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:47:03,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2019-09-10 02:47:03,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 549. [2019-09-10 02:47:03,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 549 states. [2019-09-10 02:47:03,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 752 transitions. [2019-09-10 02:47:03,890 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 752 transitions. Word has length 167 [2019-09-10 02:47:03,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:47:03,897 INFO L475 AbstractCegarLoop]: Abstraction has 549 states and 752 transitions. [2019-09-10 02:47:03,898 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:47:03,898 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 752 transitions. [2019-09-10 02:47:03,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2019-09-10 02:47:03,915 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:47:03,916 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:47:03,916 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:47:03,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:47:03,918 INFO L82 PathProgramCache]: Analyzing trace with hash 758057620, now seen corresponding path program 1 times [2019-09-10 02:47:03,918 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:47:03,920 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:03,921 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:47:03,921 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:03,921 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:47:04,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:47:04,376 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-10 02:47:04,376 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:47:04,376 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:47:04,377 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:47:04,380 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:47:04,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:47:04,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:47:04,382 INFO L87 Difference]: Start difference. First operand 549 states and 752 transitions. Second operand 3 states. [2019-09-10 02:47:04,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:47:04,440 INFO L93 Difference]: Finished difference Result 552 states and 755 transitions. [2019-09-10 02:47:04,441 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:47:04,441 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 168 [2019-09-10 02:47:04,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:47:04,449 INFO L225 Difference]: With dead ends: 552 [2019-09-10 02:47:04,449 INFO L226 Difference]: Without dead ends: 552 [2019-09-10 02:47:04,450 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:47:04,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states. [2019-09-10 02:47:04,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 551. [2019-09-10 02:47:04,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 551 states. [2019-09-10 02:47:04,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 551 states and 754 transitions. [2019-09-10 02:47:04,484 INFO L78 Accepts]: Start accepts. Automaton has 551 states and 754 transitions. Word has length 168 [2019-09-10 02:47:04,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:47:04,485 INFO L475 AbstractCegarLoop]: Abstraction has 551 states and 754 transitions. [2019-09-10 02:47:04,485 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:47:04,485 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 754 transitions. [2019-09-10 02:47:04,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2019-09-10 02:47:04,490 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:47:04,490 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:47:04,490 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:47:04,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:47:04,491 INFO L82 PathProgramCache]: Analyzing trace with hash -1115975232, now seen corresponding path program 1 times [2019-09-10 02:47:04,491 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:47:04,492 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:04,492 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:47:04,492 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:04,492 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:47:04,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:47:04,706 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-10 02:47:04,706 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:47:04,706 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:47:04,706 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:47:04,707 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:47:04,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:47:04,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:47:04,708 INFO L87 Difference]: Start difference. First operand 551 states and 754 transitions. Second operand 3 states. [2019-09-10 02:47:04,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:47:04,747 INFO L93 Difference]: Finished difference Result 592 states and 824 transitions. [2019-09-10 02:47:04,748 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:47:04,748 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 174 [2019-09-10 02:47:04,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:47:04,757 INFO L225 Difference]: With dead ends: 592 [2019-09-10 02:47:04,757 INFO L226 Difference]: Without dead ends: 592 [2019-09-10 02:47:04,758 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:47:04,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2019-09-10 02:47:04,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 591. [2019-09-10 02:47:04,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 591 states. [2019-09-10 02:47:04,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 823 transitions. [2019-09-10 02:47:04,802 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 823 transitions. Word has length 174 [2019-09-10 02:47:04,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:47:04,804 INFO L475 AbstractCegarLoop]: Abstraction has 591 states and 823 transitions. [2019-09-10 02:47:04,804 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:47:04,805 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 823 transitions. [2019-09-10 02:47:04,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2019-09-10 02:47:04,812 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:47:04,813 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:47:04,813 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:47:04,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:47:04,814 INFO L82 PathProgramCache]: Analyzing trace with hash 866228765, now seen corresponding path program 1 times [2019-09-10 02:47:04,814 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:47:04,815 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:04,815 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:47:04,815 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:04,815 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:47:04,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:47:05,061 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-09-10 02:47:05,061 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:47:05,062 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:47:05,062 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:47:05,062 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:47:05,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:47:05,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:47:05,063 INFO L87 Difference]: Start difference. First operand 591 states and 823 transitions. Second operand 3 states. [2019-09-10 02:47:05,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:47:05,105 INFO L93 Difference]: Finished difference Result 732 states and 1023 transitions. [2019-09-10 02:47:05,105 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:47:05,105 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 175 [2019-09-10 02:47:05,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:47:05,113 INFO L225 Difference]: With dead ends: 732 [2019-09-10 02:47:05,113 INFO L226 Difference]: Without dead ends: 732 [2019-09-10 02:47:05,114 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:47:05,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 732 states. [2019-09-10 02:47:05,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 732 to 731. [2019-09-10 02:47:05,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 731 states. [2019-09-10 02:47:05,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 731 states to 731 states and 1020 transitions. [2019-09-10 02:47:05,157 INFO L78 Accepts]: Start accepts. Automaton has 731 states and 1020 transitions. Word has length 175 [2019-09-10 02:47:05,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:47:05,158 INFO L475 AbstractCegarLoop]: Abstraction has 731 states and 1020 transitions. [2019-09-10 02:47:05,158 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:47:05,158 INFO L276 IsEmpty]: Start isEmpty. Operand 731 states and 1020 transitions. [2019-09-10 02:47:05,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2019-09-10 02:47:05,167 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:47:05,167 INFO L399 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:47:05,168 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:47:05,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:47:05,168 INFO L82 PathProgramCache]: Analyzing trace with hash 1738374254, now seen corresponding path program 1 times [2019-09-10 02:47:05,168 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:47:05,169 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:05,169 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:47:05,169 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:05,170 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:47:05,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:47:05,551 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2019-09-10 02:47:05,552 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:47:05,552 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-10 02:47:05,552 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:47:05,553 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-10 02:47:05,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-10 02:47:05,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-10 02:47:05,554 INFO L87 Difference]: Start difference. First operand 731 states and 1020 transitions. Second operand 6 states. [2019-09-10 02:47:06,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:47:06,277 INFO L93 Difference]: Finished difference Result 1413 states and 1986 transitions. [2019-09-10 02:47:06,277 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-10 02:47:06,277 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 309 [2019-09-10 02:47:06,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:47:06,288 INFO L225 Difference]: With dead ends: 1413 [2019-09-10 02:47:06,288 INFO L226 Difference]: Without dead ends: 1413 [2019-09-10 02:47:06,289 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-10 02:47:06,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1413 states. [2019-09-10 02:47:06,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1413 to 1402. [2019-09-10 02:47:06,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1402 states. [2019-09-10 02:47:06,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1402 states to 1402 states and 1976 transitions. [2019-09-10 02:47:06,351 INFO L78 Accepts]: Start accepts. Automaton has 1402 states and 1976 transitions. Word has length 309 [2019-09-10 02:47:06,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:47:06,351 INFO L475 AbstractCegarLoop]: Abstraction has 1402 states and 1976 transitions. [2019-09-10 02:47:06,351 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-10 02:47:06,352 INFO L276 IsEmpty]: Start isEmpty. Operand 1402 states and 1976 transitions. [2019-09-10 02:47:06,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2019-09-10 02:47:06,360 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:47:06,361 INFO L399 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:47:06,361 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:47:06,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:47:06,362 INFO L82 PathProgramCache]: Analyzing trace with hash 807957841, now seen corresponding path program 1 times [2019-09-10 02:47:06,362 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:47:06,363 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:06,363 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:47:06,363 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:06,363 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:47:06,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:47:06,757 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2019-09-10 02:47:06,757 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:47:06,758 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-09-10 02:47:06,758 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:47:06,759 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-09-10 02:47:06,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-09-10 02:47:06,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2019-09-10 02:47:06,760 INFO L87 Difference]: Start difference. First operand 1402 states and 1976 transitions. Second operand 11 states. [2019-09-10 02:47:07,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:47:07,390 INFO L93 Difference]: Finished difference Result 1390 states and 1946 transitions. [2019-09-10 02:47:07,391 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-09-10 02:47:07,391 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 310 [2019-09-10 02:47:07,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:47:07,403 INFO L225 Difference]: With dead ends: 1390 [2019-09-10 02:47:07,404 INFO L226 Difference]: Without dead ends: 1376 [2019-09-10 02:47:07,404 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2019-09-10 02:47:07,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1376 states. [2019-09-10 02:47:07,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1376 to 1372. [2019-09-10 02:47:07,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1372 states. [2019-09-10 02:47:07,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1372 states to 1372 states and 1925 transitions. [2019-09-10 02:47:07,563 INFO L78 Accepts]: Start accepts. Automaton has 1372 states and 1925 transitions. Word has length 310 [2019-09-10 02:47:07,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:47:07,570 INFO L475 AbstractCegarLoop]: Abstraction has 1372 states and 1925 transitions. [2019-09-10 02:47:07,570 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-09-10 02:47:07,571 INFO L276 IsEmpty]: Start isEmpty. Operand 1372 states and 1925 transitions. [2019-09-10 02:47:07,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2019-09-10 02:47:07,589 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:47:07,589 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:47:07,590 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:47:07,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:47:07,591 INFO L82 PathProgramCache]: Analyzing trace with hash -494275136, now seen corresponding path program 1 times [2019-09-10 02:47:07,591 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:47:07,593 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:07,593 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:47:07,593 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:07,593 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:47:07,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:47:08,161 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 27 proven. 11 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2019-09-10 02:47:08,162 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 02:47:08,162 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 02:47:08,164 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 319 with the following transitions: [2019-09-10 02:47:08,168 INFO L207 CegarAbsIntRunner]: [29], [30], [66], [69], [79], [103], [106], [116], [117], [120], [125], [127], [129], [146], [149], [150], [151], [153], [263], [265], [268], [269], [272], [273], [274], [277], [283], [284], [285], [305], [307], [310], [313], [322], [333], [335], [338], [342], [343], [345], [346], [349], [359], [360], [361], [395], [397], [409], [431], [451], [454], [620], [622], [623], [624], [625], [627], [628], [629], [632], [634], [639], [643], [645], [681], [684], [698], [727], [728], [739], [741], [743], [745], [756], [758], [761], [765], [789], [793], [796], [804], [807], [832], [835], [860], [863], [866], [875], [879], [881], [883], [886], [893], [900], [903], [1039], [1041], [1058], [1061], [1187], [1241], [1244], [1263], [1274], [1277], [1278], [1281], [1284], [1315], [1316], [1318], [1320], [1327], [1330], [1333], [1335], [1337], [1404], [1407], [1413], [1448], [1451], [1465], [1471], [1474], [1483], [1497], [1498], [1677], [1679], [1681], [1683], [1684], [1712], [1713], [1714], [1715], [1716], [1717], [1718], [1719], [1720], [1722], [1723], [1724], [1725], [1726], [1727], [1730], [1731], [1732], [1733], [1734], [1735], [1736], [1737], [1738], [1739], [1746], [1747], [1752], [1753], [1756], [1757], [1768], [1769], [1782], [1783], [1784], [1785], [1802], [1803], [1804], [1805], [1806], [1807], [1808], [1822], [1823], [1824], [1825], [1826], [1827], [1828], [1829], [1834], [1835], [1836], [1837], [1838], [1839], [1840], [1841], [1842], [1844], [1845], [1846], [1847], [1856], [1857], [1858], [1859], [1870], [1871], [1892], [1894], [1895], [1912], [1913], [1914], [1915], [1916], [1917], [1918], [1919], [1920], [1921], [1922], [1923], [1924], [1925], [1930], [1931], [1932], [1933], [1934], [1935], [1954], [1955], [1956], [1957], [1958], [1959], [1960], [1961], [1962] [2019-09-10 02:47:08,245 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 02:47:08,245 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 02:47:08,388 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-10 02:47:08,390 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 209 root evaluator evaluations with a maximum evaluation depth of 0. Performed 209 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 390 variables. [2019-09-10 02:47:08,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:47:08,396 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-10 02:47:08,491 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-10 02:47:08,492 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-10 02:47:08,508 INFO L420 sIntCurrentIteration]: We unified 317 AI predicates to 317 [2019-09-10 02:47:08,508 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-10 02:47:08,509 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-10 02:47:08,509 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [21] total 21 [2019-09-10 02:47:08,509 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:47:08,510 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:47:08,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:47:08,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:47:08,512 INFO L87 Difference]: Start difference. First operand 1372 states and 1925 transitions. Second operand 2 states. [2019-09-10 02:47:08,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:47:08,513 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-10 02:47:08,513 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:47:08,513 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 318 [2019-09-10 02:47:08,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:47:08,513 INFO L225 Difference]: With dead ends: 2 [2019-09-10 02:47:08,514 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 02:47:08,514 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 317 GetRequests, 317 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:47:08,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 02:47:08,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 02:47:08,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 02:47:08,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 02:47:08,515 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 318 [2019-09-10 02:47:08,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:47:08,516 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 02:47:08,516 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:47:08,516 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 02:47:08,516 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 02:47:08,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 02:47:08 BoogieIcfgContainer [2019-09-10 02:47:08,522 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 02:47:08,526 INFO L168 Benchmark]: Toolchain (without parser) took 9531.69 ms. Allocated memory was 140.0 MB in the beginning and 395.8 MB in the end (delta: 255.9 MB). Free memory was 93.4 MB in the beginning and 86.3 MB in the end (delta: 7.1 MB). Peak memory consumption was 263.0 MB. Max. memory is 7.1 GB. [2019-09-10 02:47:08,527 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 140.0 MB. Free memory was 114.5 MB in the beginning and 114.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-10 02:47:08,530 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1270.92 ms. Allocated memory was 140.0 MB in the beginning and 206.0 MB in the end (delta: 66.1 MB). Free memory was 93.2 MB in the beginning and 135.9 MB in the end (delta: -42.7 MB). Peak memory consumption was 36.0 MB. Max. memory is 7.1 GB. [2019-09-10 02:47:08,531 INFO L168 Benchmark]: Boogie Preprocessor took 205.13 ms. Allocated memory is still 206.0 MB. Free memory was 135.9 MB in the beginning and 126.5 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-09-10 02:47:08,533 INFO L168 Benchmark]: RCFGBuilder took 2284.24 ms. Allocated memory was 206.0 MB in the beginning and 248.0 MB in the end (delta: 41.9 MB). Free memory was 126.5 MB in the beginning and 104.8 MB in the end (delta: 21.8 MB). Peak memory consumption was 71.8 MB. Max. memory is 7.1 GB. [2019-09-10 02:47:08,540 INFO L168 Benchmark]: TraceAbstraction took 5767.06 ms. Allocated memory was 248.0 MB in the beginning and 395.8 MB in the end (delta: 147.8 MB). Free memory was 104.8 MB in the beginning and 86.3 MB in the end (delta: 18.5 MB). Peak memory consumption was 166.3 MB. Max. memory is 7.1 GB. [2019-09-10 02:47:08,548 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 140.0 MB. Free memory was 114.5 MB in the beginning and 114.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1270.92 ms. Allocated memory was 140.0 MB in the beginning and 206.0 MB in the end (delta: 66.1 MB). Free memory was 93.2 MB in the beginning and 135.9 MB in the end (delta: -42.7 MB). Peak memory consumption was 36.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 205.13 ms. Allocated memory is still 206.0 MB. Free memory was 135.9 MB in the beginning and 126.5 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2284.24 ms. Allocated memory was 206.0 MB in the beginning and 248.0 MB in the end (delta: 41.9 MB). Free memory was 126.5 MB in the beginning and 104.8 MB in the end (delta: 21.8 MB). Peak memory consumption was 71.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5767.06 ms. Allocated memory was 248.0 MB in the beginning and 395.8 MB in the end (delta: 147.8 MB). Free memory was 104.8 MB in the beginning and 86.3 MB in the end (delta: 18.5 MB). Peak memory consumption was 166.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3025]: 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 116 procedures, 807 locations, 1 error locations. SAFE Result, 5.6s OverallTime, 7 OverallIterations, 4 TraceHistogramMax, 1.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4687 SDtfs, 2072 SDslu, 10905 SDs, 0 SdLazy, 450 SolverSat, 51 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 367 GetRequests, 340 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1402occurred 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, 1.889589905362776 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 7 MinimizatonAttempts, 18 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1621 NumberOfCodeBlocks, 1621 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1614 ConstructedInterpolants, 0 QuantifiedInterpolants, 519214 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 462/473 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...