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_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 02:46:55,027 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 02:46:55,029 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 02:46:55,041 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 02:46:55,042 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 02:46:55,043 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 02:46:55,045 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 02:46:55,046 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 02:46:55,048 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 02:46:55,049 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 02:46:55,050 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 02:46:55,052 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 02:46:55,052 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 02:46:55,053 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 02:46:55,054 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 02:46:55,055 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 02:46:55,056 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 02:46:55,057 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 02:46:55,061 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 02:46:55,065 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 02:46:55,067 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 02:46:55,068 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 02:46:55,071 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 02:46:55,073 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 02:46:55,076 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 02:46:55,078 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 02:46:55,078 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 02:46:55,081 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 02:46:55,082 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 02:46:55,082 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 02:46:55,083 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 02:46:55,086 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 02:46:55,087 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 02:46:55,087 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 02:46:55,091 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 02:46:55,091 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 02:46:55,092 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 02:46:55,093 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 02:46:55,093 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 02:46:55,095 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 02:46:55,096 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 02:46:55,097 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 02:46:55,123 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 02:46:55,123 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 02:46:55,124 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 02:46:55,124 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 02:46:55,125 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 02:46:55,125 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 02:46:55,125 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 02:46:55,125 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 02:46:55,126 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 02:46:55,126 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 02:46:55,128 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 02:46:55,128 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 02:46:55,129 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 02:46:55,129 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 02:46:55,129 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 02:46:55,129 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 02:46:55,130 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 02:46:55,130 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 02:46:55,130 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 02:46:55,130 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 02:46:55,130 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 02:46:55,131 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 02:46:55,131 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 02:46:55,131 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 02:46:55,131 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 02:46:55,131 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 02:46:55,132 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 02:46:55,132 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 02:46:55,132 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 02:46:55,132 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 02:46:55,170 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 02:46:55,182 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 02:46:55,186 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 02:46:55,187 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 02:46:55,187 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 02:46:55,188 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec9_product28.cil.c [2019-09-10 02:46:55,263 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a1ee4ee3/cb459fc909014e30bcc966a8f294cc5e/FLAG63c7faad4 [2019-09-10 02:46:55,912 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 02:46:55,912 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec9_product28.cil.c [2019-09-10 02:46:55,935 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a1ee4ee3/cb459fc909014e30bcc966a8f294cc5e/FLAG63c7faad4 [2019-09-10 02:46:56,076 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a1ee4ee3/cb459fc909014e30bcc966a8f294cc5e [2019-09-10 02:46:56,085 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 02:46:56,087 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 02:46:56,088 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 02:46:56,088 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 02:46:56,092 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 02:46:56,093 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:46:56" (1/1) ... [2019-09-10 02:46:56,096 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@245df3fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:46:56, skipping insertion in model container [2019-09-10 02:46:56,096 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:46:56" (1/1) ... [2019-09-10 02:46:56,104 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 02:46:56,182 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 02:46:56,948 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:46:56,975 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 02:46:57,113 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:46:57,214 INFO L192 MainTranslator]: Completed translation [2019-09-10 02:46:57,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:46:57 WrapperNode [2019-09-10 02:46:57,216 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 02:46:57,217 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 02:46:57,217 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 02:46:57,217 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 02:46:57,232 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:46:57" (1/1) ... [2019-09-10 02:46:57,232 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:46:57" (1/1) ... [2019-09-10 02:46:57,269 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:46:57" (1/1) ... [2019-09-10 02:46:57,269 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:46:57" (1/1) ... [2019-09-10 02:46:57,338 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:46:57" (1/1) ... [2019-09-10 02:46:57,375 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:46:57" (1/1) ... [2019-09-10 02:46:57,392 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:46:57" (1/1) ... [2019-09-10 02:46:57,416 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 02:46:57,417 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 02:46:57,418 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 02:46:57,418 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 02:46:57,419 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:46:57" (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 02:46:57,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 02:46:57,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 02:46:57,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-10 02:46:57,515 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__1 [2019-09-10 02:46:57,515 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__2 [2019-09-10 02:46:57,515 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-09-10 02:46:57,516 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-10 02:46:57,516 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-10 02:46:57,516 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-10 02:46:57,516 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-10 02:46:57,517 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-09-10 02:46:57,518 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-09-10 02:46:57,518 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2019-09-10 02:46:57,519 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-09-10 02:46:57,519 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-09-10 02:46:57,520 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-09-10 02:46:57,521 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-09-10 02:46:57,521 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-09-10 02:46:57,521 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-09-10 02:46:57,521 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-09-10 02:46:57,522 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-09-10 02:46:57,522 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-09-10 02:46:57,522 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-09-10 02:46:57,523 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-09-10 02:46:57,523 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-09-10 02:46:57,524 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-09-10 02:46:57,524 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-09-10 02:46:57,524 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-09-10 02:46:57,525 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-10 02:46:57,525 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-09-10 02:46:57,525 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-09-10 02:46:57,525 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-09-10 02:46:57,526 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-09-10 02:46:57,526 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-09-10 02:46:57,526 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-09-10 02:46:57,526 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-09-10 02:46:57,526 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-09-10 02:46:57,527 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-09-10 02:46:57,527 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-09-10 02:46:57,527 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-09-10 02:46:57,527 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-09-10 02:46:57,527 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-09-10 02:46:57,527 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-09-10 02:46:57,528 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-09-10 02:46:57,528 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-09-10 02:46:57,528 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-09-10 02:46:57,528 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-09-10 02:46:57,528 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-09-10 02:46:57,529 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-09-10 02:46:57,529 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-09-10 02:46:57,529 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-09-10 02:46:57,529 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-09-10 02:46:57,529 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-09-10 02:46:57,530 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-09-10 02:46:57,530 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-09-10 02:46:57,530 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-09-10 02:46:57,530 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-09-10 02:46:57,530 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-09-10 02:46:57,531 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-10 02:46:57,531 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-10 02:46:57,531 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-10 02:46:57,532 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-10 02:46:57,532 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-10 02:46:57,532 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-10 02:46:57,532 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-09-10 02:46:57,533 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-09-10 02:46:57,533 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-09-10 02:46:57,533 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-09-10 02:46:57,533 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-09-10 02:46:57,533 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-09-10 02:46:57,534 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-09-10 02:46:57,534 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-09-10 02:46:57,534 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-10 02:46:57,535 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 02:46:57,535 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-09-10 02:46:57,535 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-09-10 02:46:57,535 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-09-10 02:46:57,536 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-09-10 02:46:57,536 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-09-10 02:46:57,536 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-09-10 02:46:57,537 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-09-10 02:46:57,537 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-09-10 02:46:57,537 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-09-10 02:46:57,537 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-09-10 02:46:57,537 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Encrypt [2019-09-10 02:46:57,539 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2019-09-10 02:46:57,539 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-09-10 02:46:57,540 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-09-10 02:46:57,540 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-09-10 02:46:57,540 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-09-10 02:46:57,541 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-09-10 02:46:57,541 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-09-10 02:46:57,541 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-09-10 02:46:57,541 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-09-10 02:46:57,541 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-09-10 02:46:57,542 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-09-10 02:46:57,542 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-09-10 02:46:57,542 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-09-10 02:46:57,542 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-09-10 02:46:57,542 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-09-10 02:46:57,543 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-09-10 02:46:57,543 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-09-10 02:46:57,543 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-09-10 02:46:57,543 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-09-10 02:46:57,544 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-09-10 02:46:57,544 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-09-10 02:46:57,544 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-09-10 02:46:57,544 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-09-10 02:46:57,545 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-09-10 02:46:57,545 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-09-10 02:46:57,545 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-09-10 02:46:57,545 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-09-10 02:46:57,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-10 02:46:57,545 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 02:46:57,546 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 02:46:57,546 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-10 02:46:57,546 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-09-10 02:46:57,547 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-10 02:46:57,548 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-09-10 02:46:57,548 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__1 [2019-09-10 02:46:57,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 02:46:57,549 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__2 [2019-09-10 02:46:57,549 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-09-10 02:46:57,550 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-10 02:46:57,550 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-10 02:46:57,550 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-10 02:46:57,550 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-10 02:46:57,551 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-09-10 02:46:57,551 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-09-10 02:46:57,551 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-09-10 02:46:57,551 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-09-10 02:46:57,552 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-09-10 02:46:57,552 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-09-10 02:46:57,552 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-09-10 02:46:57,552 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-09-10 02:46:57,552 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-09-10 02:46:57,552 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-09-10 02:46:57,553 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-09-10 02:46:57,553 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-09-10 02:46:57,557 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-09-10 02:46:57,558 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-09-10 02:46:57,558 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-09-10 02:46:57,558 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-09-10 02:46:57,565 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-09-10 02:46:57,566 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-09-10 02:46:57,566 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-09-10 02:46:57,566 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-09-10 02:46:57,566 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-09-10 02:46:57,566 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-09-10 02:46:57,567 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-09-10 02:46:57,567 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-09-10 02:46:57,567 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-09-10 02:46:57,567 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-09-10 02:46:57,567 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-09-10 02:46:57,567 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-09-10 02:46:57,568 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-09-10 02:46:57,568 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-09-10 02:46:57,568 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-09-10 02:46:57,568 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-09-10 02:46:57,569 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-09-10 02:46:57,569 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2019-09-10 02:46:57,569 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-09-10 02:46:57,570 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-09-10 02:46:57,570 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-09-10 02:46:57,570 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-09-10 02:46:57,570 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-09-10 02:46:57,570 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-09-10 02:46:57,570 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-09-10 02:46:57,570 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-09-10 02:46:57,571 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-09-10 02:46:57,571 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-09-10 02:46:57,571 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-10 02:46:57,571 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-09-10 02:46:57,571 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-09-10 02:46:57,571 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-09-10 02:46:57,571 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-09-10 02:46:57,571 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-09-10 02:46:57,572 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-09-10 02:46:57,572 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-09-10 02:46:57,572 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-09-10 02:46:57,572 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-09-10 02:46:57,572 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-09-10 02:46:57,572 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-09-10 02:46:57,572 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-09-10 02:46:57,573 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-09-10 02:46:57,573 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-09-10 02:46:57,573 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-09-10 02:46:57,573 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-09-10 02:46:57,573 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-09-10 02:46:57,573 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-09-10 02:46:57,573 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-09-10 02:46:57,573 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-09-10 02:46:57,574 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-09-10 02:46:57,574 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-09-10 02:46:57,574 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-09-10 02:46:57,574 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-09-10 02:46:57,574 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-10 02:46:57,575 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 02:46:57,575 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 02:46:57,575 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-10 02:46:57,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 02:46:57,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 02:46:57,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 02:46:57,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 02:46:57,576 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-10 02:46:57,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 02:46:57,576 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-10 02:46:57,577 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-10 02:46:57,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 02:46:57,577 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-10 02:46:57,577 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-10 02:46:57,577 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-10 02:46:57,577 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-09-10 02:46:57,578 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-09-10 02:46:57,578 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-09-10 02:46:57,578 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-09-10 02:46:57,578 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-10 02:46:57,578 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 02:46:57,578 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-09-10 02:46:57,579 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-09-10 02:46:57,579 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-09-10 02:46:57,579 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-09-10 02:46:57,579 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-09-10 02:46:57,579 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-09-10 02:46:57,579 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-09-10 02:46:57,580 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-09-10 02:46:57,580 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-09-10 02:46:57,580 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-09-10 02:46:57,580 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-09-10 02:46:57,580 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Encrypt [2019-09-10 02:46:57,580 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2019-09-10 02:46:57,581 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-09-10 02:46:57,581 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-09-10 02:46:57,581 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-09-10 02:46:57,581 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-09-10 02:46:57,581 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-09-10 02:46:57,581 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-09-10 02:46:57,582 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-09-10 02:46:57,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 02:46:57,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 02:46:57,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 02:47:00,010 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 02:47:00,011 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-10 02:47:00,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:47:00 BoogieIcfgContainer [2019-09-10 02:47:00,013 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 02:47:00,014 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 02:47:00,014 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 02:47:00,017 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 02:47:00,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 02:46:56" (1/3) ... [2019-09-10 02:47:00,019 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6012ff7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:47:00, skipping insertion in model container [2019-09-10 02:47:00,019 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:46:57" (2/3) ... [2019-09-10 02:47:00,019 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6012ff7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:47:00, skipping insertion in model container [2019-09-10 02:47:00,019 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:47:00" (3/3) ... [2019-09-10 02:47:00,021 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec9_product28.cil.c [2019-09-10 02:47:00,031 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 02:47:00,040 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 02:47:00,057 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 02:47:00,084 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 02:47:00,084 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 02:47:00,085 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 02:47:00,085 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 02:47:00,085 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 02:47:00,085 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 02:47:00,085 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 02:47:00,085 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 02:47:00,111 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states. [2019-09-10 02:47:00,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2019-09-10 02:47:00,136 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:47:00,138 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] [2019-09-10 02:47:00,140 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:47:00,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:47:00,146 INFO L82 PathProgramCache]: Analyzing trace with hash 419003498, now seen corresponding path program 1 times [2019-09-10 02:47:00,149 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:47:00,195 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:00,195 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:47:00,196 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:00,196 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:47:00,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:47:00,768 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 02:47:00,770 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:47:00,771 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-10 02:47:00,771 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:47:00,779 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:47:00,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:47:00,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:47:00,832 INFO L87 Difference]: Start difference. First operand 513 states. Second operand 2 states. [2019-09-10 02:47:00,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:47:00,904 INFO L93 Difference]: Finished difference Result 471 states and 626 transitions. [2019-09-10 02:47:00,905 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:47:00,906 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 158 [2019-09-10 02:47:00,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:47:00,928 INFO L225 Difference]: With dead ends: 471 [2019-09-10 02:47:00,928 INFO L226 Difference]: Without dead ends: 462 [2019-09-10 02:47:00,931 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 02:47:00,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2019-09-10 02:47:01,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 462. [2019-09-10 02:47:01,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 462 states. [2019-09-10 02:47:01,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 615 transitions. [2019-09-10 02:47:01,018 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 615 transitions. Word has length 158 [2019-09-10 02:47:01,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:47:01,020 INFO L475 AbstractCegarLoop]: Abstraction has 462 states and 615 transitions. [2019-09-10 02:47:01,020 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:47:01,020 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 615 transitions. [2019-09-10 02:47:01,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-09-10 02:47:01,025 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:47:01,026 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:47:01,026 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:47:01,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:47:01,027 INFO L82 PathProgramCache]: Analyzing trace with hash 1840062497, now seen corresponding path program 1 times [2019-09-10 02:47:01,027 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:47:01,028 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:01,028 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:47:01,028 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:01,029 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:47:01,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:47:01,344 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 02:47:01,344 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:47:01,344 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:47:01,345 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:47:01,349 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:47:01,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:47:01,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:47:01,351 INFO L87 Difference]: Start difference. First operand 462 states and 615 transitions. Second operand 3 states. [2019-09-10 02:47:01,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:47:01,407 INFO L93 Difference]: Finished difference Result 465 states and 618 transitions. [2019-09-10 02:47:01,407 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:47:01,407 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 159 [2019-09-10 02:47:01,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:47:01,417 INFO L225 Difference]: With dead ends: 465 [2019-09-10 02:47:01,417 INFO L226 Difference]: Without dead ends: 465 [2019-09-10 02:47:01,418 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 02:47:01,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2019-09-10 02:47:01,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 464. [2019-09-10 02:47:01,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 464 states. [2019-09-10 02:47:01,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 617 transitions. [2019-09-10 02:47:01,447 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 617 transitions. Word has length 159 [2019-09-10 02:47:01,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:47:01,448 INFO L475 AbstractCegarLoop]: Abstraction has 464 states and 617 transitions. [2019-09-10 02:47:01,448 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:47:01,448 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 617 transitions. [2019-09-10 02:47:01,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2019-09-10 02:47:01,451 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:47:01,452 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] [2019-09-10 02:47:01,453 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:47:01,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:47:01,454 INFO L82 PathProgramCache]: Analyzing trace with hash -1272244619, now seen corresponding path program 1 times [2019-09-10 02:47:01,454 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:47:01,455 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:01,455 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:47:01,455 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:01,455 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:47:01,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:47:01,673 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 02:47:01,674 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:47:01,675 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:47:01,675 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:47:01,677 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:47:01,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:47:01,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:47:01,679 INFO L87 Difference]: Start difference. First operand 464 states and 617 transitions. Second operand 3 states. [2019-09-10 02:47:01,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:47:01,717 INFO L93 Difference]: Finished difference Result 503 states and 684 transitions. [2019-09-10 02:47:01,718 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:47:01,718 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 165 [2019-09-10 02:47:01,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:47:01,727 INFO L225 Difference]: With dead ends: 503 [2019-09-10 02:47:01,727 INFO L226 Difference]: Without dead ends: 503 [2019-09-10 02:47:01,728 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 02:47:01,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2019-09-10 02:47:01,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 502. [2019-09-10 02:47:01,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 502 states. [2019-09-10 02:47:01,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 502 states and 683 transitions. [2019-09-10 02:47:01,800 INFO L78 Accepts]: Start accepts. Automaton has 502 states and 683 transitions. Word has length 165 [2019-09-10 02:47:01,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:47:01,800 INFO L475 AbstractCegarLoop]: Abstraction has 502 states and 683 transitions. [2019-09-10 02:47:01,800 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:47:01,801 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 683 transitions. [2019-09-10 02:47:01,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2019-09-10 02:47:01,804 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:47:01,805 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] [2019-09-10 02:47:01,805 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:47:01,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:47:01,805 INFO L82 PathProgramCache]: Analyzing trace with hash 1238780960, now seen corresponding path program 1 times [2019-09-10 02:47:01,805 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:47:01,806 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:01,807 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:47:01,807 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:01,807 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:47:01,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:47:02,048 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 02:47:02,048 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:47:02,048 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:47:02,049 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:47:02,049 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:47:02,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:47:02,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:47:02,050 INFO L87 Difference]: Start difference. First operand 502 states and 683 transitions. Second operand 3 states. [2019-09-10 02:47:02,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:47:02,091 INFO L93 Difference]: Finished difference Result 601 states and 820 transitions. [2019-09-10 02:47:02,093 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:47:02,093 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 166 [2019-09-10 02:47:02,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:47:02,100 INFO L225 Difference]: With dead ends: 601 [2019-09-10 02:47:02,101 INFO L226 Difference]: Without dead ends: 590 [2019-09-10 02:47:02,101 INFO L628 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 [2019-09-10 02:47:02,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 590 states. [2019-09-10 02:47:02,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 590 to 590. [2019-09-10 02:47:02,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 590 states. [2019-09-10 02:47:02,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 800 transitions. [2019-09-10 02:47:02,132 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 800 transitions. Word has length 166 [2019-09-10 02:47:02,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:47:02,133 INFO L475 AbstractCegarLoop]: Abstraction has 590 states and 800 transitions. [2019-09-10 02:47:02,133 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:47:02,133 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 800 transitions. [2019-09-10 02:47:02,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2019-09-10 02:47:02,140 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:47:02,140 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:47:02,141 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:47:02,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:47:02,141 INFO L82 PathProgramCache]: Analyzing trace with hash -2093416572, now seen corresponding path program 1 times [2019-09-10 02:47:02,141 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:47:02,142 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:02,142 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:47:02,142 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:47:02,143 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:47:02,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:47:02,698 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 22 proven. 11 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2019-09-10 02:47:02,699 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 02:47:02,699 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 02:47:02,700 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 299 with the following transitions: [2019-09-10 02:47:02,703 INFO L207 CegarAbsIntRunner]: [29], [30], [59], [62], [72], [110], [113], [118], [120], [122], [139], [142], [143], [144], [146], [256], [258], [261], [262], [265], [266], [267], [270], [276], [277], [278], [298], [300], [303], [306], [315], [326], [328], [331], [335], [336], [338], [339], [342], [352], [353], [354], [388], [390], [402], [424], [444], [447], [613], [615], [616], [617], [618], [620], [621], [622], [625], [627], [632], [636], [638], [674], [677], [691], [727], [728], [739], [741], [743], [745], [756], [758], [761], [765], [779], [783], [786], [804], [807], [832], [835], [860], [863], [866], [875], [879], [881], [883], [886], [893], [900], [903], [1162], [1216], [1219], [1238], [1249], [1252], [1253], [1256], [1259], [1290], [1291], [1293], [1295], [1302], [1305], [1306], [1308], [1310], [1377], [1380], [1386], [1421], [1424], [1438], [1444], [1447], [1456], [1470], [1471], [1645], [1647], [1649], [1651], [1652], [1674], [1675], [1676], [1677], [1678], [1679], [1680], [1681], [1682], [1684], [1685], [1686], [1687], [1688], [1689], [1692], [1693], [1694], [1695], [1696], [1697], [1698], [1699], [1700], [1701], [1708], [1709], [1714], [1715], [1718], [1719], [1730], [1731], [1744], [1745], [1746], [1747], [1764], [1765], [1766], [1767], [1768], [1769], [1770], [1790], [1791], [1792], [1793], [1794], [1795], [1796], [1797], [1802], [1803], [1804], [1805], [1806], [1807], [1808], [1809], [1810], [1812], [1813], [1814], [1815], [1824], [1825], [1826], [1827], [1838], [1839], [1858], [1860], [1861], [1862], [1863], [1864], [1865], [1866], [1867], [1868], [1869], [1870], [1871], [1876], [1877], [1878], [1879], [1880], [1881], [1892], [1893], [1894], [1895], [1896], [1897], [1898], [1899], [1900] [2019-09-10 02:47:02,783 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 02:47:02,783 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 02:47:02,922 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-10 02:47:02,924 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 206 root evaluator evaluations with a maximum evaluation depth of 0. Performed 206 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 382 variables. [2019-09-10 02:47:02,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:47:02,929 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-10 02:47:03,057 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-10 02:47:03,057 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-10 02:47:03,066 INFO L420 sIntCurrentIteration]: We unified 297 AI predicates to 297 [2019-09-10 02:47:03,067 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-10 02:47:03,068 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-10 02:47:03,068 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [21] total 21 [2019-09-10 02:47:03,068 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:47:03,069 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:47:03,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:47:03,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:47:03,070 INFO L87 Difference]: Start difference. First operand 590 states and 800 transitions. Second operand 2 states. [2019-09-10 02:47:03,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:47:03,070 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-10 02:47:03,070 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:47:03,070 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 298 [2019-09-10 02:47:03,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:47:03,071 INFO L225 Difference]: With dead ends: 2 [2019-09-10 02:47:03,071 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 02:47:03,071 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 297 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 02:47:03,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 02:47:03,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 02:47:03,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 02:47:03,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 02:47:03,072 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 298 [2019-09-10 02:47:03,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:47:03,073 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 02:47:03,073 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:47:03,073 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 02:47:03,073 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 02:47:03,078 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 02:47:03 BoogieIcfgContainer [2019-09-10 02:47:03,078 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 02:47:03,081 INFO L168 Benchmark]: Toolchain (without parser) took 6993.23 ms. Allocated memory was 134.7 MB in the beginning and 329.3 MB in the end (delta: 194.5 MB). Free memory was 87.3 MB in the beginning and 197.3 MB in the end (delta: -110.0 MB). Peak memory consumption was 84.5 MB. Max. memory is 7.1 GB. [2019-09-10 02:47:03,082 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 134.7 MB. Free memory was 108.1 MB in the beginning and 107.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-10 02:47:03,083 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1128.44 ms. Allocated memory was 134.7 MB in the beginning and 202.4 MB in the end (delta: 67.6 MB). Free memory was 87.1 MB in the beginning and 137.2 MB in the end (delta: -50.1 MB). Peak memory consumption was 36.1 MB. Max. memory is 7.1 GB. [2019-09-10 02:47:03,084 INFO L168 Benchmark]: Boogie Preprocessor took 199.99 ms. Allocated memory is still 202.4 MB. Free memory was 137.2 MB in the beginning and 128.0 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-09-10 02:47:03,085 INFO L168 Benchmark]: RCFGBuilder took 2596.48 ms. Allocated memory was 202.4 MB in the beginning and 261.6 MB in the end (delta: 59.2 MB). Free memory was 128.0 MB in the beginning and 156.9 MB in the end (delta: -28.9 MB). Peak memory consumption was 86.6 MB. Max. memory is 7.1 GB. [2019-09-10 02:47:03,085 INFO L168 Benchmark]: TraceAbstraction took 3064.16 ms. Allocated memory was 261.6 MB in the beginning and 329.3 MB in the end (delta: 67.6 MB). Free memory was 156.9 MB in the beginning and 197.3 MB in the end (delta: -40.4 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. [2019-09-10 02:47:03,090 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 134.7 MB. Free memory was 108.1 MB in the beginning and 107.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1128.44 ms. Allocated memory was 134.7 MB in the beginning and 202.4 MB in the end (delta: 67.6 MB). Free memory was 87.1 MB in the beginning and 137.2 MB in the end (delta: -50.1 MB). Peak memory consumption was 36.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 199.99 ms. Allocated memory is still 202.4 MB. Free memory was 137.2 MB in the beginning and 128.0 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2596.48 ms. Allocated memory was 202.4 MB in the beginning and 261.6 MB in the end (delta: 59.2 MB). Free memory was 128.0 MB in the beginning and 156.9 MB in the end (delta: -28.9 MB). Peak memory consumption was 86.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3064.16 ms. Allocated memory was 261.6 MB in the beginning and 329.3 MB in the end (delta: 67.6 MB). Free memory was 156.9 MB in the beginning and 197.3 MB in the end (delta: -40.4 MB). Peak memory consumption was 27.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 2963]: 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, 777 locations, 1 error locations. SAFE Result, 3.0s OverallTime, 5 OverallIterations, 3 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2496 SDtfs, 467 SDslu, 1506 SDs, 0 SdLazy, 11 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 316 GetRequests, 313 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=590occurred in iteration=4, 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, 1.8754208754208754 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 946 NumberOfCodeBlocks, 946 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 941 ConstructedInterpolants, 0 QuantifiedInterpolants, 252462 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 213/224 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...