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_spec27_product32.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 02:52:28,835 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 02:52:28,838 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 02:52:28,850 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 02:52:28,851 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 02:52:28,852 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 02:52:28,854 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 02:52:28,856 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 02:52:28,857 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 02:52:28,859 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 02:52:28,860 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 02:52:28,861 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 02:52:28,861 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 02:52:28,862 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 02:52:28,863 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 02:52:28,865 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 02:52:28,866 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 02:52:28,867 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 02:52:28,869 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 02:52:28,871 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 02:52:28,872 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 02:52:28,873 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 02:52:28,875 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 02:52:28,875 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 02:52:28,878 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 02:52:28,878 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 02:52:28,878 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 02:52:28,879 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 02:52:28,880 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 02:52:28,881 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 02:52:28,881 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 02:52:28,882 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 02:52:28,883 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 02:52:28,883 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 02:52:28,885 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 02:52:28,885 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 02:52:28,885 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 02:52:28,886 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 02:52:28,886 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 02:52:28,887 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 02:52:28,888 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 02:52:28,888 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-10-03 02:52:28,903 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 02:52:28,904 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 02:52:28,904 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 02:52:28,904 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 02:52:28,905 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 02:52:28,905 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 02:52:28,905 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 02:52:28,906 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 02:52:28,906 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 02:52:28,906 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 02:52:28,907 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 02:52:28,907 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 02:52:28,907 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 02:52:28,907 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 02:52:28,908 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 02:52:28,908 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 02:52:28,908 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 02:52:28,908 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 02:52:28,908 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 02:52:28,909 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 02:52:28,909 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 02:52:28,909 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 02:52:28,909 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 02:52:28,909 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:52:28,910 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 02:52:28,910 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 02:52:28,910 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 02:52:28,910 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 02:52:28,910 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 02:52:28,911 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 02:52:28,940 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 02:52:28,954 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 02:52:28,959 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 02:52:28,961 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 02:52:28,961 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 02:52:28,962 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec27_product32.cil.c [2019-10-03 02:52:29,025 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05f3fcb88/641a486433a24568a3a935c8c43b549e/FLAGc7d1745d1 [2019-10-03 02:52:29,655 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 02:52:29,655 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec27_product32.cil.c [2019-10-03 02:52:29,690 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05f3fcb88/641a486433a24568a3a935c8c43b549e/FLAGc7d1745d1 [2019-10-03 02:52:29,830 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05f3fcb88/641a486433a24568a3a935c8c43b549e [2019-10-03 02:52:29,846 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 02:52:29,850 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 02:52:29,851 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 02:52:29,851 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 02:52:29,855 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 02:52:29,857 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:52:29" (1/1) ... [2019-10-03 02:52:29,860 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56b50909 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:29, skipping insertion in model container [2019-10-03 02:52:29,860 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:52:29" (1/1) ... [2019-10-03 02:52:29,869 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 02:52:29,953 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 02:52:30,934 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:52:30,962 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 02:52:31,094 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:52:31,193 INFO L192 MainTranslator]: Completed translation [2019-10-03 02:52:31,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:31 WrapperNode [2019-10-03 02:52:31,194 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 02:52:31,195 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 02:52:31,195 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 02:52:31,195 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 02:52:31,210 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:31" (1/1) ... [2019-10-03 02:52:31,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:31" (1/1) ... [2019-10-03 02:52:31,251 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:31" (1/1) ... [2019-10-03 02:52:31,252 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:31" (1/1) ... [2019-10-03 02:52:31,335 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:31" (1/1) ... [2019-10-03 02:52:31,368 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:31" (1/1) ... [2019-10-03 02:52:31,395 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:31" (1/1) ... [2019-10-03 02:52:31,409 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 02:52:31,410 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 02:52:31,410 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 02:52:31,410 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 02:52:31,412 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:31" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:52:31,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 02:52:31,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 02:52:31,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-03 02:52:31,479 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-03 02:52:31,479 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-03 02:52:31,480 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-03 02:52:31,480 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-03 02:52:31,480 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-03 02:52:31,480 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-03 02:52:31,480 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-03 02:52:31,481 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-03 02:52:31,481 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-03 02:52:31,481 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-03 02:52:31,482 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-03 02:52:31,483 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-03 02:52:31,484 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-03 02:52:31,484 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-03 02:52:31,484 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-03 02:52:31,484 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-03 02:52:31,485 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-03 02:52:31,485 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-03 02:52:31,485 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-03 02:52:31,485 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-03 02:52:31,485 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-03 02:52:31,485 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-03 02:52:31,486 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-03 02:52:31,486 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-03 02:52:31,486 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-03 02:52:31,487 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-03 02:52:31,487 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-03 02:52:31,487 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-03 02:52:31,488 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-03 02:52:31,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__VerifyForward_spec__1 [2019-10-03 02:52:31,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-03 02:52:31,488 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-03 02:52:31,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-03 02:52:31,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-03 02:52:31,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-03 02:52:31,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-03 02:52:31,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-03 02:52:31,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-03 02:52:31,489 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-03 02:52:31,490 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-03 02:52:31,490 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-03 02:52:31,490 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-03 02:52:31,490 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-03 02:52:31,490 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-03 02:52:31,490 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-03 02:52:31,491 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-03 02:52:31,491 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-03 02:52:31,491 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 02:52:31,491 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-03 02:52:31,491 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-03 02:52:31,492 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-03 02:52:31,492 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-03 02:52:31,492 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-03 02:52:31,492 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-03 02:52:31,492 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-03 02:52:31,492 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-03 02:52:31,492 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-03 02:52:31,493 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-03 02:52:31,493 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-03 02:52:31,493 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-03 02:52:31,493 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-03 02:52:31,493 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-03 02:52:31,494 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-10-03 02:52:31,494 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-03 02:52:31,494 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-03 02:52:31,494 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-10-03 02:52:31,494 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-03 02:52:31,494 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-03 02:52:31,494 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-03 02:52:31,495 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-03 02:52:31,496 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-03 02:52:31,496 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-03 02:52:31,496 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-03 02:52:31,496 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-03 02:52:31,496 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-03 02:52:31,496 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-03 02:52:31,497 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-03 02:52:31,497 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-03 02:52:31,497 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-03 02:52:31,498 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-03 02:52:31,498 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-03 02:52:31,498 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-03 02:52:31,499 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-03 02:52:31,499 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-03 02:52:31,500 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-03 02:52:31,500 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-03 02:52:31,500 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-03 02:52:31,500 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-03 02:52:31,500 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-03 02:52:31,501 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-03 02:52:31,501 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-03 02:52:31,501 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-03 02:52:31,501 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-03 02:52:31,501 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-03 02:52:31,501 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-03 02:52:31,501 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-03 02:52:31,502 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-03 02:52:31,502 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-03 02:52:31,502 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-03 02:52:31,502 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-03 02:52:31,502 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-03 02:52:31,502 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-03 02:52:31,503 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-03 02:52:31,503 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-03 02:52:31,503 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-03 02:52:31,503 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-03 02:52:31,503 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-03 02:52:31,503 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-10-03 02:52:31,503 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2019-10-03 02:52:31,504 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-03 02:52:31,504 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-03 02:52:31,504 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-03 02:52:31,504 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-03 02:52:31,504 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-03 02:52:31,505 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-03 02:52:31,505 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 02:52:31,506 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 02:52:31,506 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-03 02:52:31,506 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-03 02:52:31,506 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-03 02:52:31,508 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-03 02:52:31,508 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-03 02:52:31,508 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-03 02:52:31,508 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-03 02:52:31,508 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-03 02:52:31,509 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-03 02:52:31,509 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-03 02:52:31,509 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-03 02:52:31,509 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-03 02:52:31,510 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-03 02:52:31,510 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-03 02:52:31,510 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-03 02:52:31,510 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-03 02:52:31,510 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-03 02:52:31,510 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-03 02:52:31,511 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-03 02:52:31,514 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-03 02:52:31,515 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-03 02:52:31,516 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-03 02:52:31,516 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-03 02:52:31,523 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-03 02:52:31,523 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-03 02:52:31,523 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-03 02:52:31,523 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-03 02:52:31,524 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-03 02:52:31,524 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-03 02:52:31,524 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-03 02:52:31,524 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-03 02:52:31,524 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-03 02:52:31,524 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-03 02:52:31,525 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__VerifyForward_spec__1 [2019-10-03 02:52:31,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 02:52:31,525 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-03 02:52:31,525 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-03 02:52:31,525 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-03 02:52:31,525 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 02:52:31,525 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 02:52:31,526 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-03 02:52:31,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 02:52:31,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 02:52:31,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 02:52:31,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 02:52:31,526 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-03 02:52:31,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 02:52:31,527 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-03 02:52:31,527 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-03 02:52:31,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 02:52:31,527 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-03 02:52:31,528 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-03 02:52:31,528 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-03 02:52:31,528 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-03 02:52:31,529 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-03 02:52:31,529 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-03 02:52:31,529 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-03 02:52:31,529 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-03 02:52:31,529 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-03 02:52:31,529 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-03 02:52:31,530 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-03 02:52:31,530 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-03 02:52:31,530 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-03 02:52:31,530 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-03 02:52:31,530 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-03 02:52:31,530 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-03 02:52:31,530 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-03 02:52:31,531 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-03 02:52:31,531 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-03 02:52:31,531 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 02:52:31,531 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-03 02:52:31,531 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-03 02:52:31,531 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-03 02:52:31,532 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-03 02:52:31,532 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-03 02:52:31,532 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-03 02:52:31,532 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-03 02:52:31,532 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-03 02:52:31,532 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-03 02:52:31,533 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-03 02:52:31,533 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-03 02:52:31,533 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-03 02:52:31,533 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-03 02:52:31,533 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-03 02:52:31,533 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-03 02:52:31,534 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-03 02:52:31,534 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-03 02:52:31,534 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-03 02:52:31,534 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-03 02:52:31,534 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-03 02:52:31,534 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-03 02:52:31,534 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-03 02:52:31,535 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-03 02:52:31,535 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-03 02:52:31,535 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-03 02:52:31,535 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-03 02:52:31,535 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-03 02:52:31,535 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-03 02:52:31,536 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-03 02:52:31,536 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-03 02:52:31,536 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-03 02:52:31,536 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-03 02:52:31,536 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-03 02:52:31,536 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-03 02:52:31,537 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-03 02:52:31,537 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-03 02:52:31,537 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-03 02:52:31,537 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-03 02:52:31,537 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-03 02:52:31,537 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-03 02:52:31,537 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-10-03 02:52:31,538 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-10-03 02:52:31,538 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-03 02:52:31,538 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-03 02:52:31,538 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-03 02:52:31,538 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-03 02:52:31,538 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-03 02:52:31,539 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-03 02:52:31,539 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-03 02:52:31,539 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-03 02:52:31,539 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-03 02:52:31,539 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-03 02:52:31,539 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-03 02:52:31,540 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-03 02:52:31,540 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-03 02:52:31,540 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-10-03 02:52:31,540 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2019-10-03 02:52:31,540 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-03 02:52:31,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 02:52:31,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 02:52:31,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 02:52:33,816 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 02:52:33,817 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-03 02:52:33,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:52:33 BoogieIcfgContainer [2019-10-03 02:52:33,820 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 02:52:33,821 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 02:52:33,821 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 02:52:33,826 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 02:52:33,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 02:52:29" (1/3) ... [2019-10-03 02:52:33,827 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75139fcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:52:33, skipping insertion in model container [2019-10-03 02:52:33,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:52:31" (2/3) ... [2019-10-03 02:52:33,828 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75139fcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:52:33, skipping insertion in model container [2019-10-03 02:52:33,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:52:33" (3/3) ... [2019-10-03 02:52:33,831 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec27_product32.cil.c [2019-10-03 02:52:33,842 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 02:52:33,854 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 02:52:33,874 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 02:52:33,904 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 02:52:33,904 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 02:52:33,904 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 02:52:33,904 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 02:52:33,905 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 02:52:33,905 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 02:52:33,905 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 02:52:33,905 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 02:52:33,937 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states. [2019-10-03 02:52:33,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2019-10-03 02:52:33,971 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:52:33,972 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:52:33,975 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:52:33,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:52:33,981 INFO L82 PathProgramCache]: Analyzing trace with hash -175128502, now seen corresponding path program 1 times [2019-10-03 02:52:33,984 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:52:34,052 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:34,052 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:52:34,052 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:34,053 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:52:34,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:52:34,708 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2019-10-03 02:52:34,710 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:52:34,710 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-03 02:52:34,710 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:52:34,716 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:52:34,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:52:34,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:52:34,733 INFO L87 Difference]: Start difference. First operand 639 states. Second operand 2 states. [2019-10-03 02:52:34,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:52:34,789 INFO L93 Difference]: Finished difference Result 596 states and 812 transitions. [2019-10-03 02:52:34,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:52:34,791 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 220 [2019-10-03 02:52:34,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:52:34,814 INFO L225 Difference]: With dead ends: 596 [2019-10-03 02:52:34,815 INFO L226 Difference]: Without dead ends: 587 [2019-10-03 02:52:34,816 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:52:34,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2019-10-03 02:52:34,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 587. [2019-10-03 02:52:34,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 587 states. [2019-10-03 02:52:34,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 801 transitions. [2019-10-03 02:52:34,909 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 801 transitions. Word has length 220 [2019-10-03 02:52:34,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:52:34,912 INFO L475 AbstractCegarLoop]: Abstraction has 587 states and 801 transitions. [2019-10-03 02:52:34,912 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:52:34,912 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 801 transitions. [2019-10-03 02:52:34,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2019-10-03 02:52:34,921 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:52:34,921 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:52:34,922 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:52:34,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:52:34,924 INFO L82 PathProgramCache]: Analyzing trace with hash 217234565, now seen corresponding path program 1 times [2019-10-03 02:52:34,924 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:52:34,929 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:34,929 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:52:34,930 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:34,930 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:52:34,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:52:35,238 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2019-10-03 02:52:35,239 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:52:35,239 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:52:35,239 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:52:35,242 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:52:35,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:52:35,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:52:35,243 INFO L87 Difference]: Start difference. First operand 587 states and 801 transitions. Second operand 3 states. [2019-10-03 02:52:35,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:52:35,291 INFO L93 Difference]: Finished difference Result 590 states and 804 transitions. [2019-10-03 02:52:35,293 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:52:35,293 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 221 [2019-10-03 02:52:35,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:52:35,310 INFO L225 Difference]: With dead ends: 590 [2019-10-03 02:52:35,311 INFO L226 Difference]: Without dead ends: 590 [2019-10-03 02:52:35,312 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:52:35,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 590 states. [2019-10-03 02:52:35,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 590 to 589. [2019-10-03 02:52:35,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 589 states. [2019-10-03 02:52:35,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 589 states and 803 transitions. [2019-10-03 02:52:35,449 INFO L78 Accepts]: Start accepts. Automaton has 589 states and 803 transitions. Word has length 221 [2019-10-03 02:52:35,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:52:35,450 INFO L475 AbstractCegarLoop]: Abstraction has 589 states and 803 transitions. [2019-10-03 02:52:35,450 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:52:35,451 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 803 transitions. [2019-10-03 02:52:35,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2019-10-03 02:52:35,464 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:52:35,465 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:52:35,465 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:52:35,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:52:35,466 INFO L82 PathProgramCache]: Analyzing trace with hash 1493318645, now seen corresponding path program 1 times [2019-10-03 02:52:35,466 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:52:35,472 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:35,472 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:52:35,472 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:35,473 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:52:35,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:52:35,762 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2019-10-03 02:52:35,762 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:52:35,762 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:52:35,762 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:52:35,765 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:52:35,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:52:35,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:52:35,768 INFO L87 Difference]: Start difference. First operand 589 states and 803 transitions. Second operand 3 states. [2019-10-03 02:52:35,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:52:35,798 INFO L93 Difference]: Finished difference Result 632 states and 876 transitions. [2019-10-03 02:52:35,800 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:52:35,801 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 231 [2019-10-03 02:52:35,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:52:35,815 INFO L225 Difference]: With dead ends: 632 [2019-10-03 02:52:35,816 INFO L226 Difference]: Without dead ends: 632 [2019-10-03 02:52:35,816 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:52:35,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states. [2019-10-03 02:52:35,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 631. [2019-10-03 02:52:35,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 631 states. [2019-10-03 02:52:35,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 631 states and 875 transitions. [2019-10-03 02:52:35,841 INFO L78 Accepts]: Start accepts. Automaton has 631 states and 875 transitions. Word has length 231 [2019-10-03 02:52:35,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:52:35,841 INFO L475 AbstractCegarLoop]: Abstraction has 631 states and 875 transitions. [2019-10-03 02:52:35,841 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:52:35,842 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 875 transitions. [2019-10-03 02:52:35,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2019-10-03 02:52:35,846 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:52:35,847 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:52:35,847 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:52:35,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:52:35,848 INFO L82 PathProgramCache]: Analyzing trace with hash -1395259844, now seen corresponding path program 1 times [2019-10-03 02:52:35,848 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:52:35,852 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:35,853 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:52:35,853 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:35,853 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:52:35,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:52:36,038 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2019-10-03 02:52:36,039 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:52:36,039 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:52:36,039 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:52:36,040 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:52:36,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:52:36,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:52:36,041 INFO L87 Difference]: Start difference. First operand 631 states and 875 transitions. Second operand 3 states. [2019-10-03 02:52:36,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:52:36,076 INFO L93 Difference]: Finished difference Result 713 states and 1014 transitions. [2019-10-03 02:52:36,077 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:52:36,077 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 232 [2019-10-03 02:52:36,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:52:36,083 INFO L225 Difference]: With dead ends: 713 [2019-10-03 02:52:36,083 INFO L226 Difference]: Without dead ends: 713 [2019-10-03 02:52:36,084 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:52:36,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 713 states. [2019-10-03 02:52:36,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 713 to 712. [2019-10-03 02:52:36,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 712 states. [2019-10-03 02:52:36,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 712 states and 1013 transitions. [2019-10-03 02:52:36,163 INFO L78 Accepts]: Start accepts. Automaton has 712 states and 1013 transitions. Word has length 232 [2019-10-03 02:52:36,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:52:36,164 INFO L475 AbstractCegarLoop]: Abstraction has 712 states and 1013 transitions. [2019-10-03 02:52:36,165 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:52:36,165 INFO L276 IsEmpty]: Start isEmpty. Operand 712 states and 1013 transitions. [2019-10-03 02:52:36,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2019-10-03 02:52:36,176 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:52:36,177 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:52:36,177 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:52:36,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:52:36,178 INFO L82 PathProgramCache]: Analyzing trace with hash -1916343691, now seen corresponding path program 1 times [2019-10-03 02:52:36,178 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:52:36,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:36,185 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:52:36,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:36,186 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:52:36,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:52:36,496 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2019-10-03 02:52:36,497 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:52:36,497 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:52:36,497 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:52:36,499 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:52:36,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:52:36,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:52:36,500 INFO L87 Difference]: Start difference. First operand 712 states and 1013 transitions. Second operand 3 states. [2019-10-03 02:52:36,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:52:36,536 INFO L93 Difference]: Finished difference Result 869 states and 1278 transitions. [2019-10-03 02:52:36,537 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:52:36,537 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 233 [2019-10-03 02:52:36,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:52:36,547 INFO L225 Difference]: With dead ends: 869 [2019-10-03 02:52:36,547 INFO L226 Difference]: Without dead ends: 869 [2019-10-03 02:52:36,548 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:52:36,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 869 states. [2019-10-03 02:52:36,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 869 to 868. [2019-10-03 02:52:36,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 868 states. [2019-10-03 02:52:36,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 868 states and 1277 transitions. [2019-10-03 02:52:36,598 INFO L78 Accepts]: Start accepts. Automaton has 868 states and 1277 transitions. Word has length 233 [2019-10-03 02:52:36,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:52:36,599 INFO L475 AbstractCegarLoop]: Abstraction has 868 states and 1277 transitions. [2019-10-03 02:52:36,599 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:52:36,599 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1277 transitions. [2019-10-03 02:52:36,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2019-10-03 02:52:36,609 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:52:36,610 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:52:36,611 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:52:36,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:52:36,611 INFO L82 PathProgramCache]: Analyzing trace with hash 1288958908, now seen corresponding path program 1 times [2019-10-03 02:52:36,612 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:52:36,618 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:36,619 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:52:36,619 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:36,619 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:52:36,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:52:36,879 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2019-10-03 02:52:36,880 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:52:36,880 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:52:36,880 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:52:36,881 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:52:36,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:52:36,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:52:36,881 INFO L87 Difference]: Start difference. First operand 868 states and 1277 transitions. Second operand 3 states. [2019-10-03 02:52:36,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:52:36,906 INFO L93 Difference]: Finished difference Result 1169 states and 1782 transitions. [2019-10-03 02:52:36,907 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:52:36,907 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 234 [2019-10-03 02:52:36,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:52:36,915 INFO L225 Difference]: With dead ends: 1169 [2019-10-03 02:52:36,916 INFO L226 Difference]: Without dead ends: 1169 [2019-10-03 02:52:36,916 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:52:36,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2019-10-03 02:52:36,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 1168. [2019-10-03 02:52:36,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1168 states. [2019-10-03 02:52:36,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1168 states to 1168 states and 1781 transitions. [2019-10-03 02:52:36,956 INFO L78 Accepts]: Start accepts. Automaton has 1168 states and 1781 transitions. Word has length 234 [2019-10-03 02:52:36,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:52:36,958 INFO L475 AbstractCegarLoop]: Abstraction has 1168 states and 1781 transitions. [2019-10-03 02:52:36,958 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:52:36,959 INFO L276 IsEmpty]: Start isEmpty. Operand 1168 states and 1781 transitions. [2019-10-03 02:52:36,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2019-10-03 02:52:36,967 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:52:36,967 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:52:36,967 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:52:36,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:52:36,968 INFO L82 PathProgramCache]: Analyzing trace with hash -1347912636, now seen corresponding path program 1 times [2019-10-03 02:52:36,968 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:52:36,974 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:36,974 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:52:36,975 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:52:36,975 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:52:37,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:52:37,571 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-10-03 02:52:37,571 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-03 02:52:37,571 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-10-03 02:52:37,573 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 238 with the following transitions: [2019-10-03 02:52:37,576 INFO L207 CegarAbsIntRunner]: [44], [46], [49], [51], [53], [56], [80], [83], [93], [124], [127], [137], [138], [154], [157], [171], [172], [174], [284], [286], [290], [293], [294], [295], [298], [304], [326], [340], [342], [344], [351], [355], [368], [371], [380], [381], [383], [386], [390], [391], [393], [394], [397], [407], [408], [445], [447], [459], [481], [483], [503], [672], [674], [675], [676], [682], [685], [691], [712], [715], [729], [758], [759], [770], [772], [785], [787], [790], [794], [808], [812], [815], [833], [836], [867], [869], [894], [900], [909], [913], [915], [917], [920], [927], [934], [937], [939], [1075], [1077], [1094], [1098], [1101], [1115], [1223], [1295], [1299], [1300], [1303], [1309], [1310], [1313], [1314], [1317], [1320], [1351], [1354], [1356], [1439], [1442], [1448], [1469], [1472], [1486], [1492], [1495], [1504], [1698], [1700], [1702], [1704], [1705], [1717], [1718], [1719], [1720], [1721], [1722], [1723], [1741], [1751], [1752], [1753], [1754], [1755], [1756], [1759], [1760], [1761], [1762], [1763], [1765], [1766], [1767], [1768], [1775], [1781], [1782], [1783], [1784], [1789], [1791], [1797], [1798], [1801], [1802], [1803], [1815], [1816], [1829], [1830], [1831], [1832], [1833], [1851], [1852], [1865], [1866], [1867], [1869], [1870], [1875], [1876], [1877], [1878], [1879], [1880], [1881], [1882], [1883], [1885], [1886], [1887], [1888], [1903], [1904], [1915], [1921], [1922], [1939], [1941], [1942], [1959], [1961], [1962], [1963], [1965], [1966], [1967], [1968], [1969], [1970], [1971], [1991], [1992], [1993], [1994], [1995], [1996], [1997], [1998], [1999] [2019-10-03 02:52:37,656 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-03 02:52:37,656 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 02:52:37,883 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-03 02:52:37,885 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 270 root evaluator evaluations with a maximum evaluation depth of 0. Performed 270 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 380 variables. [2019-10-03 02:52:37,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:52:37,889 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-03 02:52:38,023 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-03 02:52:38,023 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-10-03 02:52:38,034 INFO L420 sIntCurrentIteration]: We unified 236 AI predicates to 236 [2019-10-03 02:52:38,034 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-03 02:52:38,035 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-03 02:52:38,035 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [19] total 19 [2019-10-03 02:52:38,035 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:52:38,036 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:52:38,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:52:38,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:52:38,037 INFO L87 Difference]: Start difference. First operand 1168 states and 1781 transitions. Second operand 2 states. [2019-10-03 02:52:38,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:52:38,038 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-10-03 02:52:38,038 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:52:38,038 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 237 [2019-10-03 02:52:38,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:52:38,038 INFO L225 Difference]: With dead ends: 2 [2019-10-03 02:52:38,038 INFO L226 Difference]: Without dead ends: 0 [2019-10-03 02:52:38,039 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:52:38,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-03 02:52:38,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-03 02:52:38,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-03 02:52:38,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-03 02:52:38,040 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 237 [2019-10-03 02:52:38,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:52:38,040 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-03 02:52:38,040 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:52:38,040 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-03 02:52:38,040 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-03 02:52:38,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 02:52:38 BoogieIcfgContainer [2019-10-03 02:52:38,046 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-03 02:52:38,049 INFO L168 Benchmark]: Toolchain (without parser) took 8200.27 ms. Allocated memory was 139.5 MB in the beginning and 413.1 MB in the end (delta: 273.7 MB). Free memory was 84.2 MB in the beginning and 154.3 MB in the end (delta: -70.1 MB). Peak memory consumption was 203.6 MB. Max. memory is 7.1 GB. [2019-10-03 02:52:38,051 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 139.5 MB. Free memory was 105.5 MB in the beginning and 105.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-03 02:52:38,052 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1343.26 ms. Allocated memory was 139.5 MB in the beginning and 201.9 MB in the end (delta: 62.4 MB). Free memory was 84.0 MB in the beginning and 131.1 MB in the end (delta: -47.1 MB). Peak memory consumption was 31.4 MB. Max. memory is 7.1 GB. [2019-10-03 02:52:38,054 INFO L168 Benchmark]: Boogie Preprocessor took 214.90 ms. Allocated memory is still 201.9 MB. Free memory was 131.1 MB in the beginning and 120.9 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2019-10-03 02:52:38,055 INFO L168 Benchmark]: RCFGBuilder took 2409.81 ms. Allocated memory was 201.9 MB in the beginning and 266.9 MB in the end (delta: 65.0 MB). Free memory was 120.9 MB in the beginning and 149.1 MB in the end (delta: -28.2 MB). Peak memory consumption was 80.7 MB. Max. memory is 7.1 GB. [2019-10-03 02:52:38,061 INFO L168 Benchmark]: TraceAbstraction took 4224.63 ms. Allocated memory was 266.9 MB in the beginning and 413.1 MB in the end (delta: 146.3 MB). Free memory was 149.1 MB in the beginning and 154.3 MB in the end (delta: -5.2 MB). Peak memory consumption was 141.1 MB. Max. memory is 7.1 GB. [2019-10-03 02:52:38,069 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 139.5 MB. Free memory was 105.5 MB in the beginning and 105.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1343.26 ms. Allocated memory was 139.5 MB in the beginning and 201.9 MB in the end (delta: 62.4 MB). Free memory was 84.0 MB in the beginning and 131.1 MB in the end (delta: -47.1 MB). Peak memory consumption was 31.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 214.90 ms. Allocated memory is still 201.9 MB. Free memory was 131.1 MB in the beginning and 120.9 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2409.81 ms. Allocated memory was 201.9 MB in the beginning and 266.9 MB in the end (delta: 65.0 MB). Free memory was 120.9 MB in the beginning and 149.1 MB in the end (delta: -28.2 MB). Peak memory consumption was 80.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4224.63 ms. Allocated memory was 266.9 MB in the beginning and 413.1 MB in the end (delta: 146.3 MB). Free memory was 149.1 MB in the beginning and 154.3 MB in the end (delta: -5.2 MB). Peak memory consumption was 141.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1169]: 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 118 procedures, 825 locations, 1 error locations. SAFE Result, 4.1s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4854 SDtfs, 201 SDslu, 3973 SDs, 0 SdLazy, 17 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 253 GetRequests, 248 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1168occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.3s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 2.1271186440677967 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 7 MinimizatonAttempts, 5 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 1608 NumberOfCodeBlocks, 1608 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1601 ConstructedInterpolants, 0 QuantifiedInterpolants, 427731 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 293/297 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...