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_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 02:55:37,939 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 02:55:37,941 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 02:55:37,954 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 02:55:37,955 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 02:55:37,956 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 02:55:37,959 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 02:55:37,971 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 02:55:37,973 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 02:55:37,977 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 02:55:37,979 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 02:55:37,980 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 02:55:37,981 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 02:55:37,984 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 02:55:37,985 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 02:55:37,988 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 02:55:37,988 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 02:55:37,992 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 02:55:37,996 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 02:55:37,998 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 02:55:38,000 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 02:55:38,003 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 02:55:38,006 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 02:55:38,008 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 02:55:38,011 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 02:55:38,011 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 02:55:38,012 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 02:55:38,015 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 02:55:38,016 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 02:55:38,019 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 02:55:38,019 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 02:55:38,021 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 02:55:38,022 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 02:55:38,022 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 02:55:38,026 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 02:55:38,027 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 02:55:38,027 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 02:55:38,028 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 02:55:38,028 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 02:55:38,029 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 02:55:38,029 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 02:55:38,031 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-10-03 02:55:38,054 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 02:55:38,054 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 02:55:38,055 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 02:55:38,055 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 02:55:38,056 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 02:55:38,057 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 02:55:38,057 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 02:55:38,057 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 02:55:38,057 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 02:55:38,057 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 02:55:38,059 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 02:55:38,060 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 02:55:38,060 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 02:55:38,060 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 02:55:38,060 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 02:55:38,061 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 02:55:38,061 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 02:55:38,061 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 02:55:38,061 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 02:55:38,061 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 02:55:38,062 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 02:55:38,062 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 02:55:38,062 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 02:55:38,062 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:55:38,063 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 02:55:38,063 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 02:55:38,063 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 02:55:38,063 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 02:55:38,063 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 02:55:38,063 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 02:55:38,105 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 02:55:38,120 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 02:55:38,124 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 02:55:38,125 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 02:55:38,126 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 02:55:38,126 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec8_product28.cil.c [2019-10-03 02:55:38,200 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf98440d3/f81ffe728e6e4a308c81ed8b19a46ab1/FLAGe5418f2a8 [2019-10-03 02:55:38,869 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 02:55:38,870 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec8_product28.cil.c [2019-10-03 02:55:38,894 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf98440d3/f81ffe728e6e4a308c81ed8b19a46ab1/FLAGe5418f2a8 [2019-10-03 02:55:39,091 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf98440d3/f81ffe728e6e4a308c81ed8b19a46ab1 [2019-10-03 02:55:39,101 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 02:55:39,103 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 02:55:39,110 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 02:55:39,110 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 02:55:39,114 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 02:55:39,115 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:55:39" (1/1) ... [2019-10-03 02:55:39,118 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23ac3fee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:39, skipping insertion in model container [2019-10-03 02:55:39,119 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:55:39" (1/1) ... [2019-10-03 02:55:39,127 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 02:55:39,214 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 02:55:40,037 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:55:40,059 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 02:55:40,217 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:55:40,315 INFO L192 MainTranslator]: Completed translation [2019-10-03 02:55:40,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:40 WrapperNode [2019-10-03 02:55:40,316 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 02:55:40,317 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 02:55:40,317 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 02:55:40,318 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 02:55:40,332 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:40" (1/1) ... [2019-10-03 02:55:40,334 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:40" (1/1) ... [2019-10-03 02:55:40,368 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:40" (1/1) ... [2019-10-03 02:55:40,368 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:40" (1/1) ... [2019-10-03 02:55:40,424 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:40" (1/1) ... [2019-10-03 02:55:40,448 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:40" (1/1) ... [2019-10-03 02:55:40,462 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:40" (1/1) ... [2019-10-03 02:55:40,480 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 02:55:40,481 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 02:55:40,481 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 02:55:40,481 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 02:55:40,482 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:40" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:55:40,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 02:55:40,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 02:55:40,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-03 02:55:40,588 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-03 02:55:40,589 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-03 02:55:40,589 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-03 02:55:40,589 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-03 02:55:40,589 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-03 02:55:40,589 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-03 02:55:40,590 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Encrypt [2019-10-03 02:55:40,590 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2019-10-03 02:55:40,591 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-03 02:55:40,591 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-03 02:55:40,592 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-03 02:55:40,592 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-03 02:55:40,593 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-03 02:55:40,593 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-03 02:55:40,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__1 [2019-10-03 02:55:40,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__2 [2019-10-03 02:55:40,594 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-03 02:55:40,594 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-03 02:55:40,594 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-03 02:55:40,595 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-03 02:55:40,595 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-03 02:55:40,596 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-03 02:55:40,596 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-03 02:55:40,596 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-03 02:55:40,597 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-03 02:55:40,597 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-03 02:55:40,597 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-03 02:55:40,597 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-03 02:55:40,598 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-03 02:55:40,598 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-03 02:55:40,598 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-03 02:55:40,598 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-03 02:55:40,598 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-03 02:55:40,598 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-03 02:55:40,599 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-03 02:55:40,599 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-03 02:55:40,599 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-03 02:55:40,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-03 02:55:40,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-03 02:55:40,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-03 02:55:40,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-03 02:55:40,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-03 02:55:40,601 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-03 02:55:40,601 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-03 02:55:40,601 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-03 02:55:40,601 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-03 02:55:40,601 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-03 02:55:40,601 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-03 02:55:40,602 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-03 02:55:40,602 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-03 02:55:40,602 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-03 02:55:40,602 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-03 02:55:40,602 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-03 02:55:40,602 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 02:55:40,603 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-03 02:55:40,603 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-03 02:55:40,603 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-03 02:55:40,603 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-03 02:55:40,603 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-03 02:55:40,604 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-03 02:55:40,604 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-03 02:55:40,604 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-03 02:55:40,604 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-03 02:55:40,605 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-03 02:55:40,605 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-03 02:55:40,605 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2019-10-03 02:55:40,605 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-03 02:55:40,605 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-03 02:55:40,605 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-03 02:55:40,606 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-03 02:55:40,606 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-03 02:55:40,607 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-03 02:55:40,607 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-03 02:55:40,607 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-03 02:55:40,607 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-03 02:55:40,607 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-03 02:55:40,608 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-03 02:55:40,608 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-03 02:55:40,608 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-03 02:55:40,608 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-03 02:55:40,608 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-03 02:55:40,609 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-03 02:55:40,609 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-03 02:55:40,610 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-03 02:55:40,610 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-03 02:55:40,611 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-03 02:55:40,611 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-03 02:55:40,611 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-03 02:55:40,611 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-03 02:55:40,611 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-03 02:55:40,611 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-03 02:55:40,611 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-03 02:55:40,612 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-03 02:55:40,612 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-03 02:55:40,612 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-03 02:55:40,612 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-03 02:55:40,612 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-03 02:55:40,612 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-03 02:55:40,612 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-03 02:55:40,612 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-03 02:55:40,613 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-03 02:55:40,613 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-03 02:55:40,613 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-03 02:55:40,613 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-03 02:55:40,613 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-03 02:55:40,613 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-03 02:55:40,614 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-03 02:55:40,614 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-03 02:55:40,614 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-03 02:55:40,614 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-03 02:55:40,614 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 02:55:40,615 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 02:55:40,615 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-03 02:55:40,615 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-03 02:55:40,616 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-03 02:55:40,616 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-03 02:55:40,616 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-03 02:55:40,616 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-03 02:55:40,617 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-03 02:55:40,617 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-03 02:55:40,618 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-03 02:55:40,618 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-03 02:55:40,618 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-03 02:55:40,618 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-03 02:55:40,618 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-03 02:55:40,619 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-03 02:55:40,619 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-03 02:55:40,619 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-03 02:55:40,619 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-03 02:55:40,620 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-03 02:55:40,620 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-03 02:55:40,620 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-03 02:55:40,620 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-03 02:55:40,620 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-03 02:55:40,620 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-03 02:55:40,621 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-03 02:55:40,624 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-03 02:55:40,625 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-03 02:55:40,625 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-03 02:55:40,625 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-03 02:55:40,631 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-03 02:55:40,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 02:55:40,632 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Encrypt [2019-10-03 02:55:40,632 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2019-10-03 02:55:40,632 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-03 02:55:40,632 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-03 02:55:40,632 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-03 02:55:40,633 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-03 02:55:40,633 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__1 [2019-10-03 02:55:40,633 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__2 [2019-10-03 02:55:40,633 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-03 02:55:40,634 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-03 02:55:40,635 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-03 02:55:40,635 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-03 02:55:40,635 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-03 02:55:40,635 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-03 02:55:40,635 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-03 02:55:40,635 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-03 02:55:40,635 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-03 02:55:40,636 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-03 02:55:40,636 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-03 02:55:40,636 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-03 02:55:40,636 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 02:55:40,636 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 02:55:40,636 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-03 02:55:40,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 02:55:40,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 02:55:40,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 02:55:40,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 02:55:40,637 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-03 02:55:40,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 02:55:40,637 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-03 02:55:40,637 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-03 02:55:40,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 02:55:40,638 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-03 02:55:40,638 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-03 02:55:40,638 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-03 02:55:40,638 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-03 02:55:40,638 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-03 02:55:40,638 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-03 02:55:40,638 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-03 02:55:40,639 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-03 02:55:40,639 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-03 02:55:40,639 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-03 02:55:40,639 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-03 02:55:40,639 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-03 02:55:40,639 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-03 02:55:40,639 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-03 02:55:40,640 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-03 02:55:40,640 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-03 02:55:40,640 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-03 02:55:40,640 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-03 02:55:40,640 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-03 02:55:40,640 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-03 02:55:40,640 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-03 02:55:40,641 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 02:55:40,641 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-03 02:55:40,641 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-03 02:55:40,641 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-03 02:55:40,641 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-03 02:55:40,641 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-03 02:55:40,642 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-03 02:55:40,642 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-03 02:55:40,642 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-03 02:55:40,642 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-03 02:55:40,642 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-03 02:55:40,642 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-03 02:55:40,642 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-03 02:55:40,643 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-03 02:55:40,643 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-03 02:55:40,643 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-03 02:55:40,643 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-03 02:55:40,643 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-03 02:55:40,643 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-03 02:55:40,643 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2019-10-03 02:55:40,643 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-03 02:55:40,644 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-03 02:55:40,644 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-03 02:55:40,644 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-03 02:55:40,644 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-03 02:55:40,644 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-03 02:55:40,644 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-03 02:55:40,644 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-03 02:55:40,645 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-03 02:55:40,645 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-03 02:55:40,645 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-03 02:55:40,645 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-03 02:55:40,645 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-03 02:55:40,645 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-03 02:55:40,645 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-03 02:55:40,645 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-03 02:55:40,646 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-03 02:55:40,646 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-03 02:55:40,646 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-03 02:55:40,646 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-03 02:55:40,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 02:55:40,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 02:55:40,646 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 02:55:43,118 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 02:55:43,118 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-03 02:55:43,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:55:43 BoogieIcfgContainer [2019-10-03 02:55:43,120 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 02:55:43,121 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 02:55:43,121 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 02:55:43,125 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 02:55:43,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 02:55:39" (1/3) ... [2019-10-03 02:55:43,126 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75f45ef7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:55:43, skipping insertion in model container [2019-10-03 02:55:43,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:40" (2/3) ... [2019-10-03 02:55:43,127 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75f45ef7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:55:43, skipping insertion in model container [2019-10-03 02:55:43,127 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:55:43" (3/3) ... [2019-10-03 02:55:43,129 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec8_product28.cil.c [2019-10-03 02:55:43,139 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 02:55:43,153 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 02:55:43,170 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 02:55:43,193 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 02:55:43,193 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 02:55:43,193 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 02:55:43,193 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 02:55:43,194 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 02:55:43,194 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 02:55:43,194 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 02:55:43,194 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 02:55:43,221 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states. [2019-10-03 02:55:43,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2019-10-03 02:55:43,247 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:55:43,249 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:55:43,251 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:55:43,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:55:43,257 INFO L82 PathProgramCache]: Analyzing trace with hash -1787555890, now seen corresponding path program 1 times [2019-10-03 02:55:43,260 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:55:43,323 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:43,323 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:55:43,323 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:43,323 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:55:43,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:55:43,910 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-03 02:55:43,913 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:55:43,913 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-03 02:55:43,913 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:55:43,920 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:55:43,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:55:43,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:55:43,940 INFO L87 Difference]: Start difference. First operand 513 states. Second operand 2 states. [2019-10-03 02:55:44,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:55:44,021 INFO L93 Difference]: Finished difference Result 471 states and 626 transitions. [2019-10-03 02:55:44,022 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:55:44,023 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 158 [2019-10-03 02:55:44,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:55:44,045 INFO L225 Difference]: With dead ends: 471 [2019-10-03 02:55:44,046 INFO L226 Difference]: Without dead ends: 462 [2019-10-03 02:55:44,048 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:55:44,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2019-10-03 02:55:44,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 462. [2019-10-03 02:55:44,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 462 states. [2019-10-03 02:55:44,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 615 transitions. [2019-10-03 02:55:44,169 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 615 transitions. Word has length 158 [2019-10-03 02:55:44,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:55:44,172 INFO L475 AbstractCegarLoop]: Abstraction has 462 states and 615 transitions. [2019-10-03 02:55:44,172 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:55:44,172 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 615 transitions. [2019-10-03 02:55:44,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-10-03 02:55:44,179 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:55:44,179 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:55:44,180 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:55:44,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:55:44,180 INFO L82 PathProgramCache]: Analyzing trace with hash 1218576711, now seen corresponding path program 1 times [2019-10-03 02:55:44,180 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:55:44,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:44,185 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:55:44,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:44,186 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:55:44,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:55:44,463 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-03 02:55:44,463 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:55:44,463 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:55:44,464 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:55:44,465 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:55:44,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:55:44,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:55:44,466 INFO L87 Difference]: Start difference. First operand 462 states and 615 transitions. Second operand 3 states. [2019-10-03 02:55:44,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:55:44,500 INFO L93 Difference]: Finished difference Result 465 states and 618 transitions. [2019-10-03 02:55:44,500 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:55:44,500 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 159 [2019-10-03 02:55:44,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:55:44,505 INFO L225 Difference]: With dead ends: 465 [2019-10-03 02:55:44,506 INFO L226 Difference]: Without dead ends: 465 [2019-10-03 02:55:44,507 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:55:44,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2019-10-03 02:55:44,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 464. [2019-10-03 02:55:44,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 464 states. [2019-10-03 02:55:44,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 617 transitions. [2019-10-03 02:55:44,537 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 617 transitions. Word has length 159 [2019-10-03 02:55:44,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:55:44,538 INFO L475 AbstractCegarLoop]: Abstraction has 464 states and 617 transitions. [2019-10-03 02:55:44,538 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:55:44,538 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 617 transitions. [2019-10-03 02:55:44,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2019-10-03 02:55:44,543 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:55:44,543 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:55:44,543 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:55:44,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:55:44,544 INFO L82 PathProgramCache]: Analyzing trace with hash -1138420005, now seen corresponding path program 1 times [2019-10-03 02:55:44,544 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:55:44,548 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:44,549 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:55:44,549 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:44,549 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:55:44,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:55:44,698 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-03 02:55:44,699 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:55:44,700 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:55:44,700 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:55:44,701 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:55:44,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:55:44,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:55:44,703 INFO L87 Difference]: Start difference. First operand 464 states and 617 transitions. Second operand 3 states. [2019-10-03 02:55:44,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:55:44,733 INFO L93 Difference]: Finished difference Result 503 states and 684 transitions. [2019-10-03 02:55:44,733 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:55:44,733 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 165 [2019-10-03 02:55:44,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:55:44,742 INFO L225 Difference]: With dead ends: 503 [2019-10-03 02:55:44,742 INFO L226 Difference]: Without dead ends: 503 [2019-10-03 02:55:44,743 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:55:44,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2019-10-03 02:55:44,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 502. [2019-10-03 02:55:44,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 502 states. [2019-10-03 02:55:44,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 502 states and 683 transitions. [2019-10-03 02:55:44,795 INFO L78 Accepts]: Start accepts. Automaton has 502 states and 683 transitions. Word has length 165 [2019-10-03 02:55:44,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:55:44,796 INFO L475 AbstractCegarLoop]: Abstraction has 502 states and 683 transitions. [2019-10-03 02:55:44,796 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:55:44,796 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 683 transitions. [2019-10-03 02:55:44,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2019-10-03 02:55:44,803 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:55:44,803 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:55:44,803 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:55:44,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:55:44,804 INFO L82 PathProgramCache]: Analyzing trace with hash 154755204, now seen corresponding path program 1 times [2019-10-03 02:55:44,804 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:55:44,809 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:44,809 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:55:44,810 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:44,810 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:55:44,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:55:46,225 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-03 02:55:46,226 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:55:46,226 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [38] imperfect sequences [] total 38 [2019-10-03 02:55:46,226 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:55:46,227 INFO L454 AbstractCegarLoop]: Interpolant automaton has 38 states [2019-10-03 02:55:46,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2019-10-03 02:55:46,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=1327, Unknown=0, NotChecked=0, Total=1406 [2019-10-03 02:55:46,229 INFO L87 Difference]: Start difference. First operand 502 states and 683 transitions. Second operand 38 states. [2019-10-03 02:56:00,895 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 36 [2019-10-03 02:56:17,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:56:17,652 INFO L93 Difference]: Finished difference Result 4330 states and 6020 transitions. [2019-10-03 02:56:17,657 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. [2019-10-03 02:56:17,658 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 166 [2019-10-03 02:56:17,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:56:17,688 INFO L225 Difference]: With dead ends: 4330 [2019-10-03 02:56:17,688 INFO L226 Difference]: Without dead ends: 4318 [2019-10-03 02:56:17,701 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 206 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14364 ImplicationChecksByTransitivity, 8.8s TimeCoverageRelationStatistics Valid=2294, Invalid=40762, Unknown=0, NotChecked=0, Total=43056 [2019-10-03 02:56:17,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4318 states. [2019-10-03 02:56:17,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4318 to 4192. [2019-10-03 02:56:17,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4192 states. [2019-10-03 02:56:17,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4192 states to 4192 states and 5855 transitions. [2019-10-03 02:56:17,971 INFO L78 Accepts]: Start accepts. Automaton has 4192 states and 5855 transitions. Word has length 166 [2019-10-03 02:56:17,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:56:17,973 INFO L475 AbstractCegarLoop]: Abstraction has 4192 states and 5855 transitions. [2019-10-03 02:56:17,973 INFO L476 AbstractCegarLoop]: Interpolant automaton has 38 states. [2019-10-03 02:56:17,974 INFO L276 IsEmpty]: Start isEmpty. Operand 4192 states and 5855 transitions. [2019-10-03 02:56:17,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2019-10-03 02:56:17,989 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:56:17,989 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2019-10-03 02:56:17,991 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:56:17,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:56:17,992 INFO L82 PathProgramCache]: Analyzing trace with hash -925843554, now seen corresponding path program 1 times [2019-10-03 02:56:17,993 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:56:17,999 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:17,999 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:56:18,000 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:18,000 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:56:18,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:56:18,248 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-10-03 02:56:18,248 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:56:18,248 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-10-03 02:56:18,248 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:56:18,249 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-03 02:56:18,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-03 02:56:18,250 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2019-10-03 02:56:18,250 INFO L87 Difference]: Start difference. First operand 4192 states and 5855 transitions. Second operand 11 states. [2019-10-03 02:56:18,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:56:18,668 INFO L93 Difference]: Finished difference Result 4386 states and 6142 transitions. [2019-10-03 02:56:18,669 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-03 02:56:18,669 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 168 [2019-10-03 02:56:18,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:56:18,699 INFO L225 Difference]: With dead ends: 4386 [2019-10-03 02:56:18,699 INFO L226 Difference]: Without dead ends: 4342 [2019-10-03 02:56:18,699 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2019-10-03 02:56:18,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4342 states. [2019-10-03 02:56:18,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4342 to 4342. [2019-10-03 02:56:18,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4342 states. [2019-10-03 02:56:18,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4342 states to 4342 states and 6098 transitions. [2019-10-03 02:56:18,892 INFO L78 Accepts]: Start accepts. Automaton has 4342 states and 6098 transitions. Word has length 168 [2019-10-03 02:56:18,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:56:18,893 INFO L475 AbstractCegarLoop]: Abstraction has 4342 states and 6098 transitions. [2019-10-03 02:56:18,893 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-03 02:56:18,893 INFO L276 IsEmpty]: Start isEmpty. Operand 4342 states and 6098 transitions. [2019-10-03 02:56:18,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2019-10-03 02:56:18,906 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:56:18,906 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2019-10-03 02:56:18,907 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:56:18,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:56:18,907 INFO L82 PathProgramCache]: Analyzing trace with hash -89965722, now seen corresponding path program 1 times [2019-10-03 02:56:18,907 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:56:18,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:18,912 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:56:18,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:18,912 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:56:18,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:56:19,377 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-03 02:56:19,378 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-03 02:56:19,378 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-10-03 02:56:19,379 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 169 with the following transitions: [2019-10-03 02:56:19,382 INFO L207 CegarAbsIntRunner]: [72], [75], [85], [110], [139], [142], [143], [144], [146], [256], [258], [262], [265], [266], [267], [270], [276], [303], [306], [315], [336], [338], [339], [342], [352], [425], [428], [430], [435], [634], [636], [637], [638], [681], [684], [686], [689], [698], [727], [728], [739], [756], [758], [761], [765], [789], [793], [796], [804], [807], [866], [875], [879], [881], [883], [886], [893], [900], [903], [1162], [1216], [1238], [1249], [1252], [1253], [1256], [1260], [1264], [1290], [1291], [1293], [1295], [1302], [1306], [1308], [1377], [1380], [1386], [1421], [1424], [1438], [1444], [1447], [1456], [1645], [1647], [1649], [1651], [1652], [1674], [1684], [1685], [1686], [1687], [1688], [1689], [1692], [1693], [1694], [1695], [1696], [1698], [1699], [1700], [1701], [1718], [1719], [1744], [1745], [1746], [1770], [1771], [1790], [1796], [1797], [1802], [1803], [1804], [1805], [1806], [1807], [1808], [1809], [1810], [1812], [1813], [1814], [1815], [1858], [1860], [1861], [1862], [1864], [1865], [1866], [1867], [1868], [1869], [1870], [1871], [1876], [1878], [1879], [1880], [1892], [1893], [1894], [1895], [1896], [1897], [1898], [1899], [1900] [2019-10-03 02:56:19,434 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-03 02:56:19,434 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 02:56:19,560 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-03 02:56:19,562 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 205 root evaluator evaluations with a maximum evaluation depth of 0. Performed 205 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 382 variables. [2019-10-03 02:56:19,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:56:19,567 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-03 02:56:19,635 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-03 02:56:19,636 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-10-03 02:56:19,640 INFO L420 sIntCurrentIteration]: We unified 167 AI predicates to 167 [2019-10-03 02:56:19,641 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-03 02:56:19,642 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-03 02:56:19,642 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [22] total 22 [2019-10-03 02:56:19,642 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:56:19,643 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:56:19,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:56:19,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:56:19,644 INFO L87 Difference]: Start difference. First operand 4342 states and 6098 transitions. Second operand 2 states. [2019-10-03 02:56:19,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:56:19,644 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-10-03 02:56:19,645 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:56:19,645 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 168 [2019-10-03 02:56:19,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:56:19,645 INFO L225 Difference]: With dead ends: 2 [2019-10-03 02:56:19,645 INFO L226 Difference]: Without dead ends: 0 [2019-10-03 02:56:19,646 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 167 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 02:56:19,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-03 02:56:19,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-03 02:56:19,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-03 02:56:19,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-03 02:56:19,647 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 168 [2019-10-03 02:56:19,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:56:19,647 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-03 02:56:19,647 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:56:19,647 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-03 02:56:19,647 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-03 02:56:19,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 02:56:19 BoogieIcfgContainer [2019-10-03 02:56:19,653 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-03 02:56:19,655 INFO L168 Benchmark]: Toolchain (without parser) took 40552.18 ms. Allocated memory was 138.9 MB in the beginning and 649.6 MB in the end (delta: 510.7 MB). Free memory was 84.4 MB in the beginning and 191.5 MB in the end (delta: -107.1 MB). Peak memory consumption was 403.5 MB. Max. memory is 7.1 GB. [2019-10-03 02:56:19,656 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory was 105.1 MB in the beginning and 104.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-03 02:56:19,657 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1207.31 ms. Allocated memory was 138.9 MB in the beginning and 199.8 MB in the end (delta: 60.8 MB). Free memory was 84.2 MB in the beginning and 132.8 MB in the end (delta: -48.6 MB). Peak memory consumption was 30.3 MB. Max. memory is 7.1 GB. [2019-10-03 02:56:19,658 INFO L168 Benchmark]: Boogie Preprocessor took 162.89 ms. Allocated memory is still 199.8 MB. Free memory was 132.8 MB in the beginning and 123.4 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-10-03 02:56:19,659 INFO L168 Benchmark]: RCFGBuilder took 2639.77 ms. Allocated memory was 199.8 MB in the beginning and 268.4 MB in the end (delta: 68.7 MB). Free memory was 123.4 MB in the beginning and 157.3 MB in the end (delta: -33.8 MB). Peak memory consumption was 85.0 MB. Max. memory is 7.1 GB. [2019-10-03 02:56:19,660 INFO L168 Benchmark]: TraceAbstraction took 36531.97 ms. Allocated memory was 268.4 MB in the beginning and 649.6 MB in the end (delta: 381.2 MB). Free memory was 157.3 MB in the beginning and 191.5 MB in the end (delta: -34.3 MB). Peak memory consumption was 346.9 MB. Max. memory is 7.1 GB. [2019-10-03 02:56:19,664 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory was 105.1 MB in the beginning and 104.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1207.31 ms. Allocated memory was 138.9 MB in the beginning and 199.8 MB in the end (delta: 60.8 MB). Free memory was 84.2 MB in the beginning and 132.8 MB in the end (delta: -48.6 MB). Peak memory consumption was 30.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 162.89 ms. Allocated memory is still 199.8 MB. Free memory was 132.8 MB in the beginning and 123.4 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2639.77 ms. Allocated memory was 199.8 MB in the beginning and 268.4 MB in the end (delta: 68.7 MB). Free memory was 123.4 MB in the beginning and 157.3 MB in the end (delta: -33.8 MB). Peak memory consumption was 85.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 36531.97 ms. Allocated memory was 268.4 MB in the beginning and 649.6 MB in the end (delta: 381.2 MB). Free memory was 157.3 MB in the beginning and 191.5 MB in the end (delta: -34.3 MB). Peak memory consumption was 346.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1291]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 113 procedures, 777 locations, 1 error locations. SAFE Result, 36.4s OverallTime, 6 OverallIterations, 3 TraceHistogramMax, 32.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4091 SDtfs, 9709 SDslu, 50344 SDs, 0 SdLazy, 18998 SolverSat, 5116 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 19.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 436 GetRequests, 210 SyntacticMatches, 1 SemanticMatches, 225 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14388 ImplicationChecksByTransitivity, 9.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4342occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.1s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 2.341317365269461 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 6 MinimizatonAttempts, 128 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 984 NumberOfCodeBlocks, 984 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 978 ConstructedInterpolants, 0 QuantifiedInterpolants, 278404 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 173/176 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...