java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/product-lines/email_spec9_product33.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 02:56:20,014 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 02:56:20,016 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 02:56:20,027 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 02:56:20,028 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 02:56:20,029 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 02:56:20,030 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 02:56:20,032 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 02:56:20,033 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 02:56:20,034 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 02:56:20,035 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 02:56:20,036 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 02:56:20,037 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 02:56:20,038 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 02:56:20,039 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 02:56:20,040 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 02:56:20,041 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 02:56:20,042 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 02:56:20,043 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 02:56:20,046 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 02:56:20,047 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 02:56:20,048 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 02:56:20,049 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 02:56:20,050 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 02:56:20,053 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 02:56:20,053 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 02:56:20,053 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 02:56:20,054 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 02:56:20,055 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 02:56:20,056 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 02:56:20,056 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 02:56:20,057 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 02:56:20,058 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 02:56:20,059 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 02:56:20,060 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 02:56:20,060 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 02:56:20,061 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 02:56:20,061 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 02:56:20,061 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 02:56:20,062 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 02:56:20,063 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 02:56:20,064 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 02:56:20,079 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 02:56:20,079 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 02:56:20,080 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 02:56:20,080 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 02:56:20,081 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 02:56:20,081 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 02:56:20,081 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 02:56:20,081 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 02:56:20,081 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 02:56:20,082 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 02:56:20,082 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 02:56:20,082 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 02:56:20,083 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 02:56:20,083 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 02:56:20,083 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 02:56:20,083 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 02:56:20,083 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 02:56:20,084 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 02:56:20,084 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 02:56:20,084 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 02:56:20,084 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 02:56:20,084 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 02:56:20,085 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 02:56:20,085 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:56:20,085 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 02:56:20,085 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 02:56:20,085 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 02:56:20,086 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 02:56:20,086 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 02:56:20,086 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 02:56:20,114 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 02:56:20,127 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 02:56:20,130 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 02:56:20,132 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 02:56:20,132 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 02:56:20,133 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec9_product33.cil.c [2019-10-03 02:56:20,192 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03c915591/4dc9f65a7beb418f9c69f8c6320d244e/FLAG6348a1420 [2019-10-03 02:56:20,802 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 02:56:20,803 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec9_product33.cil.c [2019-10-03 02:56:20,836 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03c915591/4dc9f65a7beb418f9c69f8c6320d244e/FLAG6348a1420 [2019-10-03 02:56:20,955 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03c915591/4dc9f65a7beb418f9c69f8c6320d244e [2019-10-03 02:56:20,965 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 02:56:20,966 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 02:56:20,967 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 02:56:20,968 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 02:56:20,975 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 02:56:20,976 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:56:20" (1/1) ... [2019-10-03 02:56:20,979 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6df463d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:56:20, skipping insertion in model container [2019-10-03 02:56:20,979 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:56:20" (1/1) ... [2019-10-03 02:56:20,988 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 02:56:21,071 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 02:56:21,878 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:56:21,911 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 02:56:22,105 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:56:22,206 INFO L192 MainTranslator]: Completed translation [2019-10-03 02:56:22,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:56:22 WrapperNode [2019-10-03 02:56:22,207 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 02:56:22,208 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 02:56:22,208 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 02:56:22,208 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 02:56:22,223 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:56:22" (1/1) ... [2019-10-03 02:56:22,223 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:56:22" (1/1) ... [2019-10-03 02:56:22,266 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:56:22" (1/1) ... [2019-10-03 02:56:22,266 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:56:22" (1/1) ... [2019-10-03 02:56:22,337 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:56:22" (1/1) ... [2019-10-03 02:56:22,372 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:56:22" (1/1) ... [2019-10-03 02:56:22,394 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:56:22" (1/1) ... [2019-10-03 02:56:22,421 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 02:56:22,422 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 02:56:22,427 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 02:56:22,427 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 02:56:22,428 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:56:22" (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 02:56:22,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 02:56:22,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 02:56:22,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-03 02:56:22,519 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-03 02:56:22,519 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AutoResponder [2019-10-03 02:56:22,519 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-10-03 02:56:22,519 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-03 02:56:22,519 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-03 02:56:22,519 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-03 02:56:22,520 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-03 02:56:22,520 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-03 02:56:22,521 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-03 02:56:22,521 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-03 02:56:22,522 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-03 02:56:22,522 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-03 02:56:22,523 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-03 02:56:22,523 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-03 02:56:22,523 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-03 02:56:22,524 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-03 02:56:22,524 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-03 02:56:22,525 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 02:56:22,525 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-03 02:56:22,525 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-03 02:56:22,525 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-03 02:56:22,525 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-03 02:56:22,526 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-03 02:56:22,526 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-03 02:56:22,526 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-03 02:56:22,528 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-03 02:56:22,528 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-03 02:56:22,528 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-03 02:56:22,529 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-03 02:56:22,529 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-03 02:56:22,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__1 [2019-10-03 02:56:22,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__2 [2019-10-03 02:56:22,530 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-03 02:56:22,530 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-03 02:56:22,530 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-03 02:56:22,531 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-03 02:56:22,531 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-03 02:56:22,531 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-03 02:56:22,532 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-03 02:56:22,532 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-03 02:56:22,532 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-03 02:56:22,532 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-03 02:56:22,532 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-03 02:56:22,533 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-03 02:56:22,533 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-03 02:56:22,533 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-03 02:56:22,533 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-03 02:56:22,533 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-03 02:56:22,534 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-03 02:56:22,534 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-03 02:56:22,534 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-03 02:56:22,534 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-03 02:56:22,535 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-03 02:56:22,535 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-03 02:56:22,535 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-03 02:56:22,535 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-03 02:56:22,536 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-03 02:56:22,536 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-03 02:56:22,537 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-03 02:56:22,537 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-03 02:56:22,537 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-03 02:56:22,537 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-03 02:56:22,538 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-03 02:56:22,538 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-03 02:56:22,538 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-03 02:56:22,538 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-03 02:56:22,538 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-10-03 02:56:22,539 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-03 02:56:22,539 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-03 02:56:22,539 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-03 02:56:22,540 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-03 02:56:22,540 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-03 02:56:22,540 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-03 02:56:22,541 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-03 02:56:22,541 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-03 02:56:22,541 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-03 02:56:22,542 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-03 02:56:22,542 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-03 02:56:22,542 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-03 02:56:22,542 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-03 02:56:22,542 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-03 02:56:22,542 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-03 02:56:22,543 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-03 02:56:22,543 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-03 02:56:22,544 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-03 02:56:22,544 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-03 02:56:22,545 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-03 02:56:22,545 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-03 02:56:22,545 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-03 02:56:22,545 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-03 02:56:22,545 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-03 02:56:22,545 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-03 02:56:22,545 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-03 02:56:22,546 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-03 02:56:22,546 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-03 02:56:22,546 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-03 02:56:22,546 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-03 02:56:22,546 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-03 02:56:22,547 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-03 02:56:22,547 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-03 02:56:22,547 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-03 02:56:22,547 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-03 02:56:22,548 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-03 02:56:22,548 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-03 02:56:22,548 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-03 02:56:22,548 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-03 02:56:22,548 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-03 02:56:22,549 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-03 02:56:22,549 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-03 02:56:22,549 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-03 02:56:22,549 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-03 02:56:22,550 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-03 02:56:22,550 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-03 02:56:22,550 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-03 02:56:22,551 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-03 02:56:22,552 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-03 02:56:22,552 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 02:56:22,553 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 02:56:22,553 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-03 02:56:22,554 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-03 02:56:22,555 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-03 02:56:22,555 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-03 02:56:22,555 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-03 02:56:22,556 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-03 02:56:22,556 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-03 02:56:22,556 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-03 02:56:22,556 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-03 02:56:22,557 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-03 02:56:22,557 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-03 02:56:22,557 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-03 02:56:22,557 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-03 02:56:22,557 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-03 02:56:22,558 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-03 02:56:22,558 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-03 02:56:22,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 02:56:22,559 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AutoResponder [2019-10-03 02:56:22,562 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-10-03 02:56:22,563 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-03 02:56:22,563 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-03 02:56:22,563 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-03 02:56:22,571 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-03 02:56:22,571 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-03 02:56:22,571 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-03 02:56:22,571 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-03 02:56:22,572 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-03 02:56:22,572 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-03 02:56:22,572 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-03 02:56:22,572 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-03 02:56:22,573 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-03 02:56:22,573 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-03 02:56:22,573 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-03 02:56:22,574 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-03 02:56:22,575 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-03 02:56:22,575 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-03 02:56:22,575 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-03 02:56:22,575 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-03 02:56:22,575 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-03 02:56:22,575 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-03 02:56:22,576 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-03 02:56:22,576 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-03 02:56:22,576 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-03 02:56:22,576 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-03 02:56:22,576 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-03 02:56:22,576 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-03 02:56:22,577 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 02:56:22,577 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-03 02:56:22,577 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-03 02:56:22,577 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-03 02:56:22,577 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-03 02:56:22,577 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-03 02:56:22,578 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-03 02:56:22,578 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-03 02:56:22,578 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-03 02:56:22,578 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-03 02:56:22,578 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-03 02:56:22,578 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-03 02:56:22,579 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-03 02:56:22,579 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-03 02:56:22,579 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-03 02:56:22,579 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-03 02:56:22,579 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__1 [2019-10-03 02:56:22,580 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__2 [2019-10-03 02:56:22,580 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-03 02:56:22,580 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-03 02:56:22,580 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-03 02:56:22,581 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-03 02:56:22,581 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-03 02:56:22,581 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-03 02:56:22,581 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-03 02:56:22,582 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-03 02:56:22,582 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-03 02:56:22,582 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-03 02:56:22,582 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-03 02:56:22,583 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-03 02:56:22,583 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 02:56:22,583 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 02:56:22,583 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-03 02:56:22,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 02:56:22,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 02:56:22,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 02:56:22,584 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 02:56:22,584 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-03 02:56:22,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 02:56:22,585 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-03 02:56:22,585 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-03 02:56:22,585 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 02:56:22,586 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-03 02:56:22,586 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-03 02:56:22,586 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-03 02:56:22,586 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-03 02:56:22,587 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-03 02:56:22,587 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-03 02:56:22,587 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-03 02:56:22,587 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-03 02:56:22,588 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-03 02:56:22,588 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-03 02:56:22,588 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-03 02:56:22,588 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-03 02:56:22,588 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-03 02:56:22,588 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-03 02:56:22,589 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-03 02:56:22,589 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-03 02:56:22,589 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-03 02:56:22,589 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-03 02:56:22,589 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-03 02:56:22,590 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-03 02:56:22,590 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-03 02:56:22,590 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-03 02:56:22,590 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-10-03 02:56:22,590 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-03 02:56:22,590 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-03 02:56:22,591 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-03 02:56:22,591 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-03 02:56:22,591 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-03 02:56:22,591 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-03 02:56:22,591 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-03 02:56:22,592 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-03 02:56:22,592 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-03 02:56:22,592 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-03 02:56:22,592 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-03 02:56:22,592 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-03 02:56:22,593 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-03 02:56:22,593 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-03 02:56:22,593 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-03 02:56:22,593 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-03 02:56:22,593 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-03 02:56:22,593 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-03 02:56:22,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 02:56:22,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 02:56:22,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 02:56:24,710 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 02:56:24,711 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-03 02:56:24,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:56:24 BoogieIcfgContainer [2019-10-03 02:56:24,714 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 02:56:24,718 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 02:56:24,718 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 02:56:24,722 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 02:56:24,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 02:56:20" (1/3) ... [2019-10-03 02:56:24,724 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50cd7610 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:56:24, skipping insertion in model container [2019-10-03 02:56:24,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:56:22" (2/3) ... [2019-10-03 02:56:24,725 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50cd7610 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:56:24, skipping insertion in model container [2019-10-03 02:56:24,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:56:24" (3/3) ... [2019-10-03 02:56:24,728 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec9_product33.cil.c [2019-10-03 02:56:24,745 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 02:56:24,758 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 02:56:24,775 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 02:56:24,806 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 02:56:24,806 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 02:56:24,810 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 02:56:24,810 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 02:56:24,810 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 02:56:24,810 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 02:56:24,810 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 02:56:24,811 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 02:56:24,854 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states. [2019-10-03 02:56:24,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2019-10-03 02:56:24,896 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:56:24,898 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 02:56:24,901 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:56:24,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:56:24,908 INFO L82 PathProgramCache]: Analyzing trace with hash -1835133867, now seen corresponding path program 1 times [2019-10-03 02:56:24,911 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:56:24,980 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:24,981 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:56:24,981 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:24,981 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:56:25,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:56:25,661 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 02:56:25,663 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:56:25,663 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-03 02:56:25,664 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:56:25,670 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:56:25,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:56:25,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:56:25,689 INFO L87 Difference]: Start difference. First operand 594 states. Second operand 2 states. [2019-10-03 02:56:25,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:56:25,770 INFO L93 Difference]: Finished difference Result 580 states and 764 transitions. [2019-10-03 02:56:25,771 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:56:25,772 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 158 [2019-10-03 02:56:25,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:56:25,796 INFO L225 Difference]: With dead ends: 580 [2019-10-03 02:56:25,797 INFO L226 Difference]: Without dead ends: 571 [2019-10-03 02:56:25,799 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 02:56:25,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 571 states. [2019-10-03 02:56:25,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 571 to 571. [2019-10-03 02:56:25,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 571 states. [2019-10-03 02:56:25,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 753 transitions. [2019-10-03 02:56:25,891 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 753 transitions. Word has length 158 [2019-10-03 02:56:25,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:56:25,894 INFO L475 AbstractCegarLoop]: Abstraction has 571 states and 753 transitions. [2019-10-03 02:56:25,894 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:56:25,894 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 753 transitions. [2019-10-03 02:56:25,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-10-03 02:56:25,898 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:56:25,899 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 02:56:25,899 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:56:25,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:56:25,900 INFO L82 PathProgramCache]: Analyzing trace with hash 582297796, now seen corresponding path program 1 times [2019-10-03 02:56:25,900 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:56:25,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:25,905 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:56:25,905 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:25,905 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:56:25,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:56:26,176 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 02:56:26,176 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:56:26,177 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:56:26,177 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:56:26,179 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:56:26,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:56:26,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:56:26,180 INFO L87 Difference]: Start difference. First operand 571 states and 753 transitions. Second operand 3 states. [2019-10-03 02:56:26,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:56:26,230 INFO L93 Difference]: Finished difference Result 574 states and 756 transitions. [2019-10-03 02:56:26,230 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:56:26,230 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 159 [2019-10-03 02:56:26,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:56:26,236 INFO L225 Difference]: With dead ends: 574 [2019-10-03 02:56:26,237 INFO L226 Difference]: Without dead ends: 574 [2019-10-03 02:56:26,238 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 02:56:26,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2019-10-03 02:56:26,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 573. [2019-10-03 02:56:26,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 573 states. [2019-10-03 02:56:26,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 573 states and 755 transitions. [2019-10-03 02:56:26,286 INFO L78 Accepts]: Start accepts. Automaton has 573 states and 755 transitions. Word has length 159 [2019-10-03 02:56:26,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:56:26,288 INFO L475 AbstractCegarLoop]: Abstraction has 573 states and 755 transitions. [2019-10-03 02:56:26,288 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:56:26,288 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 755 transitions. [2019-10-03 02:56:26,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2019-10-03 02:56:26,293 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:56:26,293 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:56:26,293 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:56:26,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:56:26,294 INFO L82 PathProgramCache]: Analyzing trace with hash -2046510219, now seen corresponding path program 1 times [2019-10-03 02:56:26,294 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:56:26,302 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:26,302 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:56:26,302 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:26,303 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:56:26,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:56:26,663 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 02:56:26,664 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:56:26,664 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:56:26,664 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:56:26,669 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:56:26,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:56:26,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:56:26,674 INFO L87 Difference]: Start difference. First operand 573 states and 755 transitions. Second operand 3 states. [2019-10-03 02:56:26,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:56:26,739 INFO L93 Difference]: Finished difference Result 616 states and 828 transitions. [2019-10-03 02:56:26,739 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:56:26,740 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 171 [2019-10-03 02:56:26,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:56:26,754 INFO L225 Difference]: With dead ends: 616 [2019-10-03 02:56:26,755 INFO L226 Difference]: Without dead ends: 616 [2019-10-03 02:56:26,755 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 02:56:26,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 616 states. [2019-10-03 02:56:26,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 616 to 615. [2019-10-03 02:56:26,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 615 states. [2019-10-03 02:56:26,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 615 states and 827 transitions. [2019-10-03 02:56:26,813 INFO L78 Accepts]: Start accepts. Automaton has 615 states and 827 transitions. Word has length 171 [2019-10-03 02:56:26,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:56:26,814 INFO L475 AbstractCegarLoop]: Abstraction has 615 states and 827 transitions. [2019-10-03 02:56:26,814 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:56:26,814 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 827 transitions. [2019-10-03 02:56:26,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-10-03 02:56:26,822 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:56:26,822 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:56:26,822 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:56:26,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:56:26,823 INFO L82 PathProgramCache]: Analyzing trace with hash -866341980, now seen corresponding path program 1 times [2019-10-03 02:56:26,823 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:56:26,830 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:26,830 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:56:26,831 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:26,831 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:56:26,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:56:27,117 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 02:56:27,118 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:56:27,118 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:56:27,118 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:56:27,120 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:56:27,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:56:27,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:56:27,121 INFO L87 Difference]: Start difference. First operand 615 states and 827 transitions. Second operand 3 states. [2019-10-03 02:56:27,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:56:27,171 INFO L93 Difference]: Finished difference Result 697 states and 966 transitions. [2019-10-03 02:56:27,171 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:56:27,172 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 172 [2019-10-03 02:56:27,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:56:27,181 INFO L225 Difference]: With dead ends: 697 [2019-10-03 02:56:27,181 INFO L226 Difference]: Without dead ends: 697 [2019-10-03 02:56:27,181 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 02:56:27,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 697 states. [2019-10-03 02:56:27,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 697 to 696. [2019-10-03 02:56:27,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 696 states. [2019-10-03 02:56:27,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 696 states and 965 transitions. [2019-10-03 02:56:27,219 INFO L78 Accepts]: Start accepts. Automaton has 696 states and 965 transitions. Word has length 172 [2019-10-03 02:56:27,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:56:27,220 INFO L475 AbstractCegarLoop]: Abstraction has 696 states and 965 transitions. [2019-10-03 02:56:27,220 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:56:27,220 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 965 transitions. [2019-10-03 02:56:27,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2019-10-03 02:56:27,225 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:56:27,225 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:56:27,225 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:56:27,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:56:27,226 INFO L82 PathProgramCache]: Analyzing trace with hash 1566529269, now seen corresponding path program 1 times [2019-10-03 02:56:27,226 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:56:27,232 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:27,232 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:56:27,232 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:27,232 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:56:27,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:56:27,438 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 02:56:27,438 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:56:27,439 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:56:27,439 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:56:27,440 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:56:27,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:56:27,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:56:27,441 INFO L87 Difference]: Start difference. First operand 696 states and 965 transitions. Second operand 3 states. [2019-10-03 02:56:27,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:56:27,471 INFO L93 Difference]: Finished difference Result 853 states and 1230 transitions. [2019-10-03 02:56:27,471 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:56:27,471 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 173 [2019-10-03 02:56:27,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:56:27,478 INFO L225 Difference]: With dead ends: 853 [2019-10-03 02:56:27,478 INFO L226 Difference]: Without dead ends: 853 [2019-10-03 02:56:27,479 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 02:56:27,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 853 states. [2019-10-03 02:56:27,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 853 to 852. [2019-10-03 02:56:27,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 852 states. [2019-10-03 02:56:27,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 852 states and 1229 transitions. [2019-10-03 02:56:27,518 INFO L78 Accepts]: Start accepts. Automaton has 852 states and 1229 transitions. Word has length 173 [2019-10-03 02:56:27,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:56:27,519 INFO L475 AbstractCegarLoop]: Abstraction has 852 states and 1229 transitions. [2019-10-03 02:56:27,519 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:56:27,519 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 1229 transitions. [2019-10-03 02:56:27,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2019-10-03 02:56:27,525 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:56:27,525 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:56:27,525 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:56:27,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:56:27,526 INFO L82 PathProgramCache]: Analyzing trace with hash 1766682355, now seen corresponding path program 1 times [2019-10-03 02:56:27,526 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:56:27,532 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:27,533 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:56:27,533 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:27,533 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:56:27,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:56:27,844 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 02:56:27,845 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:56:27,845 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:56:27,845 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:56:27,847 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:56:27,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:56:27,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:56:27,848 INFO L87 Difference]: Start difference. First operand 852 states and 1229 transitions. Second operand 3 states. [2019-10-03 02:56:27,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:56:27,886 INFO L93 Difference]: Finished difference Result 956 states and 1372 transitions. [2019-10-03 02:56:27,888 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:56:27,889 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 175 [2019-10-03 02:56:27,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:56:27,898 INFO L225 Difference]: With dead ends: 956 [2019-10-03 02:56:27,899 INFO L226 Difference]: Without dead ends: 945 [2019-10-03 02:56:27,899 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:56:27,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 945 states. [2019-10-03 02:56:27,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 945 to 945. [2019-10-03 02:56:27,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 945 states. [2019-10-03 02:56:27,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 945 states to 945 states and 1352 transitions. [2019-10-03 02:56:27,945 INFO L78 Accepts]: Start accepts. Automaton has 945 states and 1352 transitions. Word has length 175 [2019-10-03 02:56:27,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:56:27,947 INFO L475 AbstractCegarLoop]: Abstraction has 945 states and 1352 transitions. [2019-10-03 02:56:27,947 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:56:27,947 INFO L276 IsEmpty]: Start isEmpty. Operand 945 states and 1352 transitions. [2019-10-03 02:56:27,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2019-10-03 02:56:27,956 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:56:27,957 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:56:27,957 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:56:27,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:56:27,957 INFO L82 PathProgramCache]: Analyzing trace with hash 2119106243, now seen corresponding path program 1 times [2019-10-03 02:56:27,958 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:56:27,964 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:27,964 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:56:27,964 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:56:27,964 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:56:28,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:56:28,847 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 22 proven. 11 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2019-10-03 02:56:28,847 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-03 02:56:28,848 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-10-03 02:56:28,849 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 330 with the following transitions: [2019-10-03 02:56:28,869 INFO L207 CegarAbsIntRunner]: [29], [30], [44], [47], [54], [56], [85], [88], [98], [130], [133], [138], [140], [142], [146], [149], [163], [164], [166], [276], [278], [281], [282], [285], [286], [287], [290], [296], [297], [298], [318], [321], [327], [329], [332], [334], [336], [343], [346], [347], [349], [350], [353], [362], [373], [375], [378], [382], [383], [385], [386], [389], [399], [400], [401], [428], [430], [442], [464], [466], [486], [489], [659], [661], [662], [663], [664], [666], [667], [673], [676], [678], [683], [687], [689], [722], [725], [739], [778], [779], [780], [782], [784], [786], [797], [799], [802], [806], [830], [834], [837], [845], [848], [872], [875], [885], [886], [889], [914], [917], [920], [929], [933], [935], [937], [940], [947], [954], [957], [959], [1095], [1098], [1112], [1220], [1292], [1295], [1296], [1307], [1310], [1311], [1314], [1317], [1348], [1349], [1351], [1353], [1420], [1423], [1429], [1430], [1433], [1443], [1464], [1467], [1481], [1487], [1490], [1499], [1513], [1514], [1688], [1690], [1692], [1694], [1695], [1707], [1708], [1709], [1710], [1731], [1732], [1733], [1734], [1735], [1736], [1737], [1738], [1739], [1741], [1742], [1743], [1744], [1745], [1746], [1749], [1750], [1751], [1752], [1753], [1754], [1755], [1756], [1757], [1758], [1765], [1766], [1767], [1768], [1771], [1772], [1773], [1774], [1779], [1780], [1781], [1782], [1787], [1788], [1791], [1792], [1797], [1798], [1811], [1812], [1813], [1814], [1815], [1816], [1837], [1838], [1839], [1840], [1847], [1848], [1849], [1859], [1860], [1861], [1862], [1863], [1864], [1865], [1866], [1871], [1872], [1873], [1874], [1875], [1876], [1877], [1878], [1879], [1881], [1882], [1883], [1884], [1905], [1906], [1907], [1908], [1919], [1920], [1925], [1926], [1943], [1945], [1946], [1947], [1948], [1949], [1950], [1951], [1952], [1953], [1954], [1955], [1956], [1967], [1968], [1969], [1970], [1971], [1972], [1973], [1974], [1975] [2019-10-03 02:56:28,962 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-03 02:56:28,963 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 02:56:29,187 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-03 02:56:29,190 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 209 root evaluator evaluations with a maximum evaluation depth of 0. Performed 209 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 390 variables. [2019-10-03 02:56:29,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:56:29,197 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-03 02:56:29,411 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-03 02:56:29,411 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-10-03 02:56:29,426 INFO L420 sIntCurrentIteration]: We unified 328 AI predicates to 328 [2019-10-03 02:56:29,426 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-03 02:56:29,427 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-03 02:56:29,427 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [22] total 22 [2019-10-03 02:56:29,427 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:56:29,428 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:56:29,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:56:29,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:56:29,430 INFO L87 Difference]: Start difference. First operand 945 states and 1352 transitions. Second operand 2 states. [2019-10-03 02:56:29,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:56:29,430 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-10-03 02:56:29,430 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:56:29,431 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 329 [2019-10-03 02:56:29,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:56:29,431 INFO L225 Difference]: With dead ends: 2 [2019-10-03 02:56:29,431 INFO L226 Difference]: Without dead ends: 0 [2019-10-03 02:56:29,432 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 328 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 02:56:29,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-03 02:56:29,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-03 02:56:29,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-03 02:56:29,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-03 02:56:29,432 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 329 [2019-10-03 02:56:29,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:56:29,433 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-03 02:56:29,433 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:56:29,433 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-03 02:56:29,433 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-03 02:56:29,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 02:56:29 BoogieIcfgContainer [2019-10-03 02:56:29,440 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-03 02:56:29,444 INFO L168 Benchmark]: Toolchain (without parser) took 8475.25 ms. Allocated memory was 140.5 MB in the beginning and 405.3 MB in the end (delta: 264.8 MB). Free memory was 85.9 MB in the beginning and 213.3 MB in the end (delta: -127.4 MB). Peak memory consumption was 137.4 MB. Max. memory is 7.1 GB. [2019-10-03 02:56:29,445 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 140.5 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-03 02:56:29,447 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1240.21 ms. Allocated memory was 140.5 MB in the beginning and 203.4 MB in the end (delta: 62.9 MB). Free memory was 85.7 MB in the beginning and 130.8 MB in the end (delta: -45.0 MB). Peak memory consumption was 33.6 MB. Max. memory is 7.1 GB. [2019-10-03 02:56:29,449 INFO L168 Benchmark]: Boogie Preprocessor took 213.51 ms. Allocated memory is still 203.4 MB. Free memory was 130.8 MB in the beginning and 121.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-10-03 02:56:29,450 INFO L168 Benchmark]: RCFGBuilder took 2292.36 ms. Allocated memory was 203.4 MB in the beginning and 265.8 MB in the end (delta: 62.4 MB). Free memory was 121.4 MB in the beginning and 137.1 MB in the end (delta: -15.7 MB). Peak memory consumption was 79.4 MB. Max. memory is 7.1 GB. [2019-10-03 02:56:29,456 INFO L168 Benchmark]: TraceAbstraction took 4722.04 ms. Allocated memory was 265.8 MB in the beginning and 405.3 MB in the end (delta: 139.5 MB). Free memory was 137.1 MB in the beginning and 213.3 MB in the end (delta: -76.2 MB). Peak memory consumption was 63.3 MB. Max. memory is 7.1 GB. [2019-10-03 02:56:29,464 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 140.5 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1240.21 ms. Allocated memory was 140.5 MB in the beginning and 203.4 MB in the end (delta: 62.9 MB). Free memory was 85.7 MB in the beginning and 130.8 MB in the end (delta: -45.0 MB). Peak memory consumption was 33.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 213.51 ms. Allocated memory is still 203.4 MB. Free memory was 130.8 MB in the beginning and 121.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2292.36 ms. Allocated memory was 203.4 MB in the beginning and 265.8 MB in the end (delta: 62.4 MB). Free memory was 121.4 MB in the beginning and 137.1 MB in the end (delta: -15.7 MB). Peak memory consumption was 79.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4722.04 ms. Allocated memory was 265.8 MB in the beginning and 405.3 MB in the end (delta: 139.5 MB). Free memory was 137.1 MB in the beginning and 213.3 MB in the end (delta: -76.2 MB). Peak memory consumption was 63.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1548]: 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 119 procedures, 816 locations, 1 error locations. SAFE Result, 4.6s OverallTime, 7 OverallIterations, 3 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4579 SDtfs, 595 SDslu, 3390 SDs, 0 SdLazy, 17 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 353 GetRequests, 348 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=945occurred 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, 1.8048780487804879 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 7 MinimizatonAttempts, 4 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1337 NumberOfCodeBlocks, 1337 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1330 ConstructedInterpolants, 0 QuantifiedInterpolants, 354478 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 267/278 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...