java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/product-lines/email_spec8_product21.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 02:46:01,439 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 02:46:01,441 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 02:46:01,453 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 02:46:01,453 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 02:46:01,455 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 02:46:01,456 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 02:46:01,458 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 02:46:01,460 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 02:46:01,461 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 02:46:01,462 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 02:46:01,463 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 02:46:01,463 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 02:46:01,464 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 02:46:01,465 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 02:46:01,466 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 02:46:01,467 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 02:46:01,468 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 02:46:01,470 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 02:46:01,472 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 02:46:01,473 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 02:46:01,475 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 02:46:01,476 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 02:46:01,477 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 02:46:01,479 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 02:46:01,479 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 02:46:01,479 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 02:46:01,480 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 02:46:01,481 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 02:46:01,482 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 02:46:01,482 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 02:46:01,483 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 02:46:01,484 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 02:46:01,485 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 02:46:01,486 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 02:46:01,486 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 02:46:01,487 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 02:46:01,488 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 02:46:01,488 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 02:46:01,489 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 02:46:01,490 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 02:46:01,490 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 02:46:01,505 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 02:46:01,505 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 02:46:01,506 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 02:46:01,506 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 02:46:01,506 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 02:46:01,507 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 02:46:01,507 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 02:46:01,507 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 02:46:01,507 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 02:46:01,507 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 02:46:01,508 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 02:46:01,508 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 02:46:01,509 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 02:46:01,509 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 02:46:01,509 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 02:46:01,509 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 02:46:01,509 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 02:46:01,510 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 02:46:01,510 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 02:46:01,510 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 02:46:01,510 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 02:46:01,510 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 02:46:01,511 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 02:46:01,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 02:46:01,511 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 02:46:01,511 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 02:46:01,511 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 02:46:01,511 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 02:46:01,512 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 02:46:01,512 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 02:46:01,562 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 02:46:01,580 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 02:46:01,585 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 02:46:01,588 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 02:46:01,588 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 02:46:01,589 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec8_product21.cil.c [2019-09-10 02:46:01,665 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ebef5a85/7737a19cdf5f4a9da4fff06693a13eb8/FLAGa5cb3fc06 [2019-09-10 02:46:02,269 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 02:46:02,271 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec8_product21.cil.c [2019-09-10 02:46:02,306 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ebef5a85/7737a19cdf5f4a9da4fff06693a13eb8/FLAGa5cb3fc06 [2019-09-10 02:46:02,520 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ebef5a85/7737a19cdf5f4a9da4fff06693a13eb8 [2019-09-10 02:46:02,529 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 02:46:02,531 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 02:46:02,532 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 02:46:02,532 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 02:46:02,536 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 02:46:02,537 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:46:02" (1/1) ... [2019-09-10 02:46:02,540 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2caa90b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:46:02, skipping insertion in model container [2019-09-10 02:46:02,540 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:46:02" (1/1) ... [2019-09-10 02:46:02,546 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 02:46:02,613 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 02:46:03,425 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:46:03,453 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 02:46:03,571 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:46:03,656 INFO L192 MainTranslator]: Completed translation [2019-09-10 02:46:03,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:46:03 WrapperNode [2019-09-10 02:46:03,657 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 02:46:03,658 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 02:46:03,658 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 02:46:03,658 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 02:46:03,673 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:46:03" (1/1) ... [2019-09-10 02:46:03,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:46:03" (1/1) ... [2019-09-10 02:46:03,712 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:46:03" (1/1) ... [2019-09-10 02:46:03,713 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:46:03" (1/1) ... [2019-09-10 02:46:03,799 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:46:03" (1/1) ... [2019-09-10 02:46:03,825 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:46:03" (1/1) ... [2019-09-10 02:46:03,837 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:46:03" (1/1) ... [2019-09-10 02:46:03,854 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 02:46:03,855 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 02:46:03,855 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 02:46:03,855 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 02:46:03,856 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:46:03" (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 02:46:03,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 02:46:03,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 02:46:03,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-10 02:46:03,931 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-09-10 02:46:03,931 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-09-10 02:46:03,932 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-09-10 02:46:03,932 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-09-10 02:46:03,932 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-09-10 02:46:03,932 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-09-10 02:46:03,932 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-09-10 02:46:03,933 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-09-10 02:46:03,933 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-10 02:46:03,933 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 02:46:03,933 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-09-10 02:46:03,934 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-09-10 02:46:03,934 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-09-10 02:46:03,934 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-09-10 02:46:03,934 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-09-10 02:46:03,935 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-09-10 02:46:03,935 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-09-10 02:46:03,935 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-09-10 02:46:03,935 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-09-10 02:46:03,935 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-09-10 02:46:03,936 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-09-10 02:46:03,936 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-09-10 02:46:03,936 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-09-10 02:46:03,936 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-09-10 02:46:03,936 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-09-10 02:46:03,937 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-09-10 02:46:03,937 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-09-10 02:46:03,937 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-09-10 02:46:03,937 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-09-10 02:46:03,938 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2019-09-10 02:46:03,938 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-09-10 02:46:03,938 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-09-10 02:46:03,938 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AddressBook [2019-09-10 02:46:03,938 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-09-10 02:46:03,938 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-09-10 02:46:03,939 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-09-10 02:46:03,939 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-09-10 02:46:03,939 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-09-10 02:46:03,939 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-09-10 02:46:03,939 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-09-10 02:46:03,939 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-09-10 02:46:03,940 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-09-10 02:46:03,940 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-09-10 02:46:03,940 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-09-10 02:46:03,940 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-09-10 02:46:03,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-10 02:46:03,941 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-10 02:46:03,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-10 02:46:03,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-10 02:46:03,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-10 02:46:03,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-10 02:46:03,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-10 02:46:03,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-10 02:46:03,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__1 [2019-09-10 02:46:03,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__2 [2019-09-10 02:46:03,942 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-09-10 02:46:03,942 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-09-10 02:46:03,942 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-09-10 02:46:03,942 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-09-10 02:46:03,942 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-09-10 02:46:03,943 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-09-10 02:46:03,943 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-09-10 02:46:03,943 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-09-10 02:46:03,943 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-09-10 02:46:03,943 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-09-10 02:46:03,943 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-09-10 02:46:03,943 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-09-10 02:46:03,944 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-09-10 02:46:03,944 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-09-10 02:46:03,944 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-09-10 02:46:03,944 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-09-10 02:46:03,944 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-09-10 02:46:03,944 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-09-10 02:46:03,945 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-09-10 02:46:03,945 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-09-10 02:46:03,945 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-09-10 02:46:03,945 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-09-10 02:46:03,945 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-09-10 02:46:03,945 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-09-10 02:46:03,946 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-09-10 02:46:03,946 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-09-10 02:46:03,946 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-09-10 02:46:03,946 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-09-10 02:46:03,946 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-09-10 02:46:03,946 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-10 02:46:03,946 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-10 02:46:03,947 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-10 02:46:03,947 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-10 02:46:03,947 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-09-10 02:46:03,947 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-09-10 02:46:03,947 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-09-10 02:46:03,947 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-09-10 02:46:03,948 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-09-10 02:46:03,948 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-09-10 02:46:03,948 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-09-10 02:46:03,948 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-09-10 02:46:03,948 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-09-10 02:46:03,948 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-09-10 02:46:03,948 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-09-10 02:46:03,949 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-09-10 02:46:03,949 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-09-10 02:46:03,949 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-09-10 02:46:03,949 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-09-10 02:46:03,949 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-09-10 02:46:03,949 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-09-10 02:46:03,950 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-09-10 02:46:03,950 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-09-10 02:46:03,950 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-09-10 02:46:03,950 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-09-10 02:46:03,950 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-09-10 02:46:03,950 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 02:46:03,951 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 02:46:03,951 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-10 02:46:03,951 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-09-10 02:46:03,951 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-09-10 02:46:03,951 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-09-10 02:46:03,951 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-09-10 02:46:03,952 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-09-10 02:46:03,952 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-09-10 02:46:03,952 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-09-10 02:46:03,952 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-09-10 02:46:03,952 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-09-10 02:46:03,952 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-09-10 02:46:03,953 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-09-10 02:46:03,953 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-09-10 02:46:03,953 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-10 02:46:03,953 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-10 02:46:03,953 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-10 02:46:03,953 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-09-10 02:46:03,954 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-09-10 02:46:03,954 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-09-10 02:46:03,954 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-09-10 02:46:03,954 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-09-10 02:46:03,954 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-09-10 02:46:03,954 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-09-10 02:46:03,954 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-09-10 02:46:03,955 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-09-10 02:46:03,955 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-09-10 02:46:03,955 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-09-10 02:46:03,955 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-10 02:46:03,955 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-10 02:46:03,955 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 02:46:03,956 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-09-10 02:46:03,956 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-09-10 02:46:03,956 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-09-10 02:46:03,956 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-09-10 02:46:03,956 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-09-10 02:46:03,956 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-09-10 02:46:03,956 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-09-10 02:46:03,957 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-09-10 02:46:03,957 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-09-10 02:46:03,957 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-09-10 02:46:03,957 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-09-10 02:46:03,957 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-09-10 02:46:03,957 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-09-10 02:46:03,957 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-09-10 02:46:03,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 02:46:03,958 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-09-10 02:46:03,958 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-09-10 02:46:03,958 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-09-10 02:46:03,958 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-09-10 02:46:03,958 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-09-10 02:46:03,958 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-09-10 02:46:03,959 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-09-10 02:46:03,959 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-09-10 02:46:03,959 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-09-10 02:46:03,959 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-09-10 02:46:03,959 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-09-10 02:46:03,959 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-09-10 02:46:03,959 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-09-10 02:46:03,960 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-09-10 02:46:03,960 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-09-10 02:46:03,960 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-09-10 02:46:03,960 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-09-10 02:46:03,960 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-09-10 02:46:03,960 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-09-10 02:46:03,960 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-09-10 02:46:03,961 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-09-10 02:46:03,961 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-09-10 02:46:03,961 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-09-10 02:46:03,961 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-09-10 02:46:03,961 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-09-10 02:46:03,961 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-09-10 02:46:03,961 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-09-10 02:46:03,961 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-09-10 02:46:03,962 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-09-10 02:46:03,962 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-09-10 02:46:03,962 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__2 [2019-09-10 02:46:03,962 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-09-10 02:46:03,962 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2019-09-10 02:46:03,962 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AddressBook [2019-09-10 02:46:03,962 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-09-10 02:46:03,963 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__1 [2019-09-10 02:46:03,963 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-10 02:46:03,963 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-10 02:46:03,963 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 02:46:03,963 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 02:46:03,963 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-10 02:46:03,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 02:46:03,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 02:46:03,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 02:46:03,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 02:46:03,964 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-10 02:46:03,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 02:46:03,964 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-10 02:46:03,965 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-10 02:46:03,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 02:46:03,965 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-10 02:46:03,965 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-10 02:46:03,965 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-10 02:46:03,965 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-09-10 02:46:03,966 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-09-10 02:46:03,966 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-09-10 02:46:03,966 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-09-10 02:46:03,966 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-09-10 02:46:03,966 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-09-10 02:46:03,966 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-09-10 02:46:03,967 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-09-10 02:46:03,967 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-09-10 02:46:03,967 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-09-10 02:46:03,967 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-09-10 02:46:03,967 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-10 02:46:03,967 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-09-10 02:46:03,967 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-09-10 02:46:03,968 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-09-10 02:46:03,968 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-09-10 02:46:03,968 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-09-10 02:46:03,968 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-09-10 02:46:03,968 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-09-10 02:46:03,968 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-09-10 02:46:03,969 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-09-10 02:46:03,969 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-09-10 02:46:03,969 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-09-10 02:46:03,969 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-09-10 02:46:03,970 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-09-10 02:46:03,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 02:46:03,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 02:46:03,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 02:46:06,368 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 02:46:06,368 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-10 02:46:06,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:46:06 BoogieIcfgContainer [2019-09-10 02:46:06,371 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 02:46:06,372 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 02:46:06,372 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 02:46:06,375 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 02:46:06,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 02:46:02" (1/3) ... [2019-09-10 02:46:06,376 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cc8ae40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:46:06, skipping insertion in model container [2019-09-10 02:46:06,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:46:03" (2/3) ... [2019-09-10 02:46:06,378 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cc8ae40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:46:06, skipping insertion in model container [2019-09-10 02:46:06,378 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:46:06" (3/3) ... [2019-09-10 02:46:06,380 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec8_product21.cil.c [2019-09-10 02:46:06,392 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 02:46:06,406 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 02:46:06,426 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 02:46:06,460 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 02:46:06,460 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 02:46:06,461 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 02:46:06,461 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 02:46:06,461 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 02:46:06,461 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 02:46:06,461 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 02:46:06,461 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 02:46:06,501 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states. [2019-09-10 02:46:06,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-09-10 02:46:06,545 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:46:06,548 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] [2019-09-10 02:46:06,552 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:46:06,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:46:06,567 INFO L82 PathProgramCache]: Analyzing trace with hash 857697907, now seen corresponding path program 1 times [2019-09-10 02:46:06,570 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:46:06,624 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:46:06,625 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:46:06,625 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:46:06,625 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:46:07,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:46:07,302 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 02:46:07,304 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:46:07,305 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-10 02:46:07,305 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:46:07,313 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:46:07,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:46:07,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:46:07,332 INFO L87 Difference]: Start difference. First operand 573 states. Second operand 2 states. [2019-09-10 02:46:07,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:46:07,429 INFO L93 Difference]: Finished difference Result 553 states and 753 transitions. [2019-09-10 02:46:07,429 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:46:07,430 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 154 [2019-09-10 02:46:07,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:46:07,456 INFO L225 Difference]: With dead ends: 553 [2019-09-10 02:46:07,456 INFO L226 Difference]: Without dead ends: 544 [2019-09-10 02:46:07,458 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 02:46:07,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 544 states. [2019-09-10 02:46:07,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 544 to 544. [2019-09-10 02:46:07,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 544 states. [2019-09-10 02:46:07,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 742 transitions. [2019-09-10 02:46:07,551 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 742 transitions. Word has length 154 [2019-09-10 02:46:07,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:46:07,553 INFO L475 AbstractCegarLoop]: Abstraction has 544 states and 742 transitions. [2019-09-10 02:46:07,553 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:46:07,554 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 742 transitions. [2019-09-10 02:46:07,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-09-10 02:46:07,558 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:46:07,559 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] [2019-09-10 02:46:07,559 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:46:07,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:46:07,560 INFO L82 PathProgramCache]: Analyzing trace with hash 2017038380, now seen corresponding path program 1 times [2019-09-10 02:46:07,560 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:46:07,561 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:46:07,561 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:46:07,561 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:46:07,561 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:46:07,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:46:07,782 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 02:46:07,782 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:46:07,782 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:46:07,782 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:46:07,787 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:46:07,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:46:07,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:46:07,788 INFO L87 Difference]: Start difference. First operand 544 states and 742 transitions. Second operand 3 states. [2019-09-10 02:46:07,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:46:07,864 INFO L93 Difference]: Finished difference Result 547 states and 745 transitions. [2019-09-10 02:46:07,865 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:46:07,866 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 155 [2019-09-10 02:46:07,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:46:07,871 INFO L225 Difference]: With dead ends: 547 [2019-09-10 02:46:07,872 INFO L226 Difference]: Without dead ends: 547 [2019-09-10 02:46:07,873 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 02:46:07,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 547 states. [2019-09-10 02:46:07,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 547 to 546. [2019-09-10 02:46:07,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 546 states. [2019-09-10 02:46:07,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 744 transitions. [2019-09-10 02:46:07,906 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 744 transitions. Word has length 155 [2019-09-10 02:46:07,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:46:07,907 INFO L475 AbstractCegarLoop]: Abstraction has 546 states and 744 transitions. [2019-09-10 02:46:07,907 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:46:07,907 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 744 transitions. [2019-09-10 02:46:07,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2019-09-10 02:46:07,910 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:46:07,910 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] [2019-09-10 02:46:07,911 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:46:07,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:46:07,911 INFO L82 PathProgramCache]: Analyzing trace with hash 480175040, now seen corresponding path program 1 times [2019-09-10 02:46:07,911 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:46:07,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:46:07,913 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:46:07,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:46:07,913 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:46:07,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:46:08,093 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 02:46:08,093 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:46:08,093 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:46:08,094 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:46:08,096 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:46:08,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:46:08,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:46:08,099 INFO L87 Difference]: Start difference. First operand 546 states and 744 transitions. Second operand 3 states. [2019-09-10 02:46:08,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:46:08,140 INFO L93 Difference]: Finished difference Result 589 states and 817 transitions. [2019-09-10 02:46:08,144 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:46:08,144 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 161 [2019-09-10 02:46:08,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:46:08,153 INFO L225 Difference]: With dead ends: 589 [2019-09-10 02:46:08,155 INFO L226 Difference]: Without dead ends: 589 [2019-09-10 02:46:08,156 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 02:46:08,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 589 states. [2019-09-10 02:46:08,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 589 to 588. [2019-09-10 02:46:08,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 588 states. [2019-09-10 02:46:08,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 816 transitions. [2019-09-10 02:46:08,203 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 816 transitions. Word has length 161 [2019-09-10 02:46:08,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:46:08,206 INFO L475 AbstractCegarLoop]: Abstraction has 588 states and 816 transitions. [2019-09-10 02:46:08,206 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:46:08,206 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 816 transitions. [2019-09-10 02:46:08,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2019-09-10 02:46:08,214 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:46:08,214 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] [2019-09-10 02:46:08,216 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:46:08,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:46:08,216 INFO L82 PathProgramCache]: Analyzing trace with hash -868910391, now seen corresponding path program 1 times [2019-09-10 02:46:08,216 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:46:08,217 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:46:08,218 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:46:08,218 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:46:08,218 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:46:08,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:46:08,587 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 02:46:08,587 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:46:08,588 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:46:08,588 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:46:08,588 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:46:08,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:46:08,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:46:08,593 INFO L87 Difference]: Start difference. First operand 588 states and 816 transitions. Second operand 3 states. [2019-09-10 02:46:08,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:46:08,630 INFO L93 Difference]: Finished difference Result 702 states and 980 transitions. [2019-09-10 02:46:08,631 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:46:08,632 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 162 [2019-09-10 02:46:08,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:46:08,640 INFO L225 Difference]: With dead ends: 702 [2019-09-10 02:46:08,640 INFO L226 Difference]: Without dead ends: 702 [2019-09-10 02:46:08,640 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 02:46:08,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 702 states. [2019-09-10 02:46:08,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 702 to 701. [2019-09-10 02:46:08,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 701 states. [2019-09-10 02:46:08,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 701 states and 978 transitions. [2019-09-10 02:46:08,684 INFO L78 Accepts]: Start accepts. Automaton has 701 states and 978 transitions. Word has length 162 [2019-09-10 02:46:08,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:46:08,684 INFO L475 AbstractCegarLoop]: Abstraction has 701 states and 978 transitions. [2019-09-10 02:46:08,685 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:46:08,685 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 978 transitions. [2019-09-10 02:46:08,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2019-09-10 02:46:08,692 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:46:08,692 INFO L399 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:46:08,692 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:46:08,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:46:08,693 INFO L82 PathProgramCache]: Analyzing trace with hash -1149971746, now seen corresponding path program 1 times [2019-09-10 02:46:08,693 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:46:08,695 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:46:08,696 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:46:08,696 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:46:08,696 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:46:08,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:46:08,979 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2019-09-10 02:46:08,980 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:46:08,980 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-10 02:46:08,980 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:46:08,981 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-10 02:46:08,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-10 02:46:08,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-10 02:46:08,982 INFO L87 Difference]: Start difference. First operand 701 states and 978 transitions. Second operand 6 states. [2019-09-10 02:46:09,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:46:09,834 INFO L93 Difference]: Finished difference Result 1353 states and 1902 transitions. [2019-09-10 02:46:09,834 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-10 02:46:09,835 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 286 [2019-09-10 02:46:09,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:46:09,846 INFO L225 Difference]: With dead ends: 1353 [2019-09-10 02:46:09,846 INFO L226 Difference]: Without dead ends: 1353 [2019-09-10 02:46:09,847 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 02:46:09,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1353 states. [2019-09-10 02:46:09,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1353 to 1342. [2019-09-10 02:46:09,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1342 states. [2019-09-10 02:46:09,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1342 states to 1342 states and 1892 transitions. [2019-09-10 02:46:09,906 INFO L78 Accepts]: Start accepts. Automaton has 1342 states and 1892 transitions. Word has length 286 [2019-09-10 02:46:09,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:46:09,908 INFO L475 AbstractCegarLoop]: Abstraction has 1342 states and 1892 transitions. [2019-09-10 02:46:09,908 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-10 02:46:09,908 INFO L276 IsEmpty]: Start isEmpty. Operand 1342 states and 1892 transitions. [2019-09-10 02:46:09,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2019-09-10 02:46:09,916 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:46:09,916 INFO L399 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:46:09,916 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:46:09,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:46:09,917 INFO L82 PathProgramCache]: Analyzing trace with hash 1823902781, now seen corresponding path program 1 times [2019-09-10 02:46:09,917 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:46:09,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:46:09,919 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:46:09,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:46:09,919 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:46:09,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:46:10,202 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2019-09-10 02:46:10,204 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:46:10,205 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-10 02:46:10,205 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:46:10,205 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-10 02:46:10,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-10 02:46:10,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-09-10 02:46:10,206 INFO L87 Difference]: Start difference. First operand 1342 states and 1892 transitions. Second operand 9 states. [2019-09-10 02:46:10,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:46:10,683 INFO L93 Difference]: Finished difference Result 1330 states and 1862 transitions. [2019-09-10 02:46:10,684 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-10 02:46:10,684 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 287 [2019-09-10 02:46:10,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:46:10,694 INFO L225 Difference]: With dead ends: 1330 [2019-09-10 02:46:10,695 INFO L226 Difference]: Without dead ends: 1316 [2019-09-10 02:46:10,696 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2019-09-10 02:46:10,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1316 states. [2019-09-10 02:46:10,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1316 to 1312. [2019-09-10 02:46:10,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1312 states. [2019-09-10 02:46:10,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1312 states to 1312 states and 1841 transitions. [2019-09-10 02:46:10,764 INFO L78 Accepts]: Start accepts. Automaton has 1312 states and 1841 transitions. Word has length 287 [2019-09-10 02:46:10,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:46:10,764 INFO L475 AbstractCegarLoop]: Abstraction has 1312 states and 1841 transitions. [2019-09-10 02:46:10,764 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-10 02:46:10,765 INFO L276 IsEmpty]: Start isEmpty. Operand 1312 states and 1841 transitions. [2019-09-10 02:46:10,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2019-09-10 02:46:10,773 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:46:10,773 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:46:10,774 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:46:10,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:46:10,774 INFO L82 PathProgramCache]: Analyzing trace with hash 58369020, now seen corresponding path program 1 times [2019-09-10 02:46:10,774 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:46:10,776 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:46:10,776 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:46:10,776 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:46:10,776 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:46:10,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:46:11,328 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 21 proven. 8 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2019-09-10 02:46:11,328 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 02:46:11,329 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 02:46:11,330 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 281 with the following transitions: [2019-09-10 02:46:11,334 INFO L207 CegarAbsIntRunner]: [29], [30], [44], [47], [54], [56], [72], [75], [85], [109], [112], [122], [123], [126], [131], [133], [135], [139], [142], [156], [157], [159], [269], [271], [274], [275], [278], [279], [280], [283], [289], [290], [291], [313], [316], [325], [346], [348], [349], [352], [362], [363], [364], [375], [377], [394], [397], [399], [404], [408], [410], [424], [426], [427], [603], [605], [606], [607], [645], [648], [662], [691], [692], [693], [695], [697], [699], [733], [737], [740], [758], [761], [772], [775], [785], [786], [789], [814], [817], [820], [829], [833], [835], [837], [840], [847], [854], [857], [1120], [1192], [1194], [1211], [1214], [1215], [1226], [1229], [1230], [1233], [1236], [1267], [1268], [1270], [1272], [1279], [1282], [1285], [1287], [1289], [1356], [1359], [1365], [1400], [1403], [1417], [1425], [1428], [1437], [1451], [1452], [1631], [1633], [1635], [1637], [1638], [1650], [1651], [1652], [1653], [1668], [1669], [1670], [1671], [1672], [1673], [1674], [1675], [1676], [1678], [1679], [1680], [1681], [1682], [1683], [1686], [1687], [1688], [1689], [1690], [1691], [1692], [1693], [1694], [1695], [1710], [1711], [1716], [1717], [1718], [1719], [1720], [1722], [1723], [1744], [1745], [1760], [1761], [1762], [1763], [1764], [1765], [1766], [1767], [1768], [1769], [1770], [1771], [1772], [1773], [1774], [1776], [1777], [1778], [1779], [1788], [1789], [1790], [1791], [1802], [1803], [1826], [1828], [1829], [1846], [1847], [1848], [1849], [1850], [1851], [1852], [1853], [1854], [1855], [1860], [1861], [1862], [1863], [1864], [1865], [1886], [1887], [1888], [1889], [1890], [1891], [1892], [1893], [1894] [2019-09-10 02:46:11,401 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 02:46:11,401 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 02:46:11,586 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-10 02:46:11,588 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 208 root evaluator evaluations with a maximum evaluation depth of 0. Performed 208 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 382 variables. [2019-09-10 02:46:11,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:46:11,593 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-10 02:46:11,743 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-10 02:46:11,743 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-10 02:46:11,749 INFO L420 sIntCurrentIteration]: We unified 279 AI predicates to 279 [2019-09-10 02:46:11,749 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-10 02:46:11,750 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-10 02:46:11,750 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [22] total 22 [2019-09-10 02:46:11,751 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:46:11,751 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:46:11,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:46:11,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:46:11,752 INFO L87 Difference]: Start difference. First operand 1312 states and 1841 transitions. Second operand 2 states. [2019-09-10 02:46:11,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:46:11,752 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-10 02:46:11,752 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:46:11,753 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 280 [2019-09-10 02:46:11,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:46:11,753 INFO L225 Difference]: With dead ends: 2 [2019-09-10 02:46:11,753 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 02:46:11,753 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 279 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:46:11,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 02:46:11,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 02:46:11,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 02:46:11,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 02:46:11,754 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 280 [2019-09-10 02:46:11,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:46:11,755 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 02:46:11,755 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:46:11,755 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 02:46:11,755 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 02:46:11,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 02:46:11 BoogieIcfgContainer [2019-09-10 02:46:11,760 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 02:46:11,763 INFO L168 Benchmark]: Toolchain (without parser) took 9231.29 ms. Allocated memory was 133.2 MB in the beginning and 401.6 MB in the end (delta: 268.4 MB). Free memory was 85.2 MB in the beginning and 336.9 MB in the end (delta: -251.6 MB). Peak memory consumption was 16.8 MB. Max. memory is 7.1 GB. [2019-09-10 02:46:11,764 INFO L168 Benchmark]: CDTParser took 1.16 ms. Allocated memory is still 133.2 MB. Free memory was 106.4 MB in the beginning and 106.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-09-10 02:46:11,765 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1125.86 ms. Allocated memory was 133.2 MB in the beginning and 201.9 MB in the end (delta: 68.7 MB). Free memory was 85.0 MB in the beginning and 134.1 MB in the end (delta: -49.1 MB). Peak memory consumption was 33.9 MB. Max. memory is 7.1 GB. [2019-09-10 02:46:11,766 INFO L168 Benchmark]: Boogie Preprocessor took 196.40 ms. Allocated memory is still 201.9 MB. Free memory was 134.1 MB in the beginning and 125.5 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 7.1 GB. [2019-09-10 02:46:11,767 INFO L168 Benchmark]: RCFGBuilder took 2516.22 ms. Allocated memory was 201.9 MB in the beginning and 263.7 MB in the end (delta: 61.9 MB). Free memory was 125.5 MB in the beginning and 154.7 MB in the end (delta: -29.2 MB). Peak memory consumption was 84.5 MB. Max. memory is 7.1 GB. [2019-09-10 02:46:11,767 INFO L168 Benchmark]: TraceAbstraction took 5388.69 ms. Allocated memory was 263.7 MB in the beginning and 401.6 MB in the end (delta: 137.9 MB). Free memory was 154.7 MB in the beginning and 336.9 MB in the end (delta: -182.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-10 02:46:11,771 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.16 ms. Allocated memory is still 133.2 MB. Free memory was 106.4 MB in the beginning and 106.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1125.86 ms. Allocated memory was 133.2 MB in the beginning and 201.9 MB in the end (delta: 68.7 MB). Free memory was 85.0 MB in the beginning and 134.1 MB in the end (delta: -49.1 MB). Peak memory consumption was 33.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 196.40 ms. Allocated memory is still 201.9 MB. Free memory was 134.1 MB in the beginning and 125.5 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2516.22 ms. Allocated memory was 201.9 MB in the beginning and 263.7 MB in the end (delta: 61.9 MB). Free memory was 125.5 MB in the beginning and 154.7 MB in the end (delta: -29.2 MB). Peak memory consumption was 84.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 5388.69 ms. Allocated memory was 263.7 MB in the beginning and 401.6 MB in the end (delta: 137.9 MB). Free memory was 154.7 MB in the beginning and 336.9 MB in the end (delta: -182.2 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 805]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 113 procedures, 774 locations, 1 error locations. SAFE Result, 5.3s OverallTime, 7 OverallIterations, 4 TraceHistogramMax, 1.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4627 SDtfs, 2034 SDslu, 9300 SDs, 0 SdLazy, 382 SolverSat, 45 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 324 GetRequests, 301 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1342occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.2s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 1.946236559139785 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 7 MinimizatonAttempts, 18 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 1485 NumberOfCodeBlocks, 1485 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1478 ConstructedInterpolants, 0 QuantifiedInterpolants, 441201 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 412/420 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...