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_spec0_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 02:48:45,036 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 02:48:45,039 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 02:48:45,051 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 02:48:45,052 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 02:48:45,053 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 02:48:45,054 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 02:48:45,056 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 02:48:45,058 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 02:48:45,059 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 02:48:45,060 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 02:48:45,061 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 02:48:45,062 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 02:48:45,063 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 02:48:45,064 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 02:48:45,065 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 02:48:45,066 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 02:48:45,067 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 02:48:45,069 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 02:48:45,072 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 02:48:45,073 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 02:48:45,075 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 02:48:45,076 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 02:48:45,077 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 02:48:45,079 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 02:48:45,080 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 02:48:45,080 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 02:48:45,081 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 02:48:45,081 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 02:48:45,082 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 02:48:45,083 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 02:48:45,083 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 02:48:45,084 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 02:48:45,085 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 02:48:45,086 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 02:48:45,086 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 02:48:45,087 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 02:48:45,087 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 02:48:45,087 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 02:48:45,088 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 02:48:45,089 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 02:48:45,092 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 02:48:45,121 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 02:48:45,122 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 02:48:45,122 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 02:48:45,122 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 02:48:45,124 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 02:48:45,124 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 02:48:45,124 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 02:48:45,125 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 02:48:45,125 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 02:48:45,125 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 02:48:45,128 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 02:48:45,128 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 02:48:45,128 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 02:48:45,129 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 02:48:45,129 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 02:48:45,130 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 02:48:45,130 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 02:48:45,130 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 02:48:45,130 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 02:48:45,131 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 02:48:45,131 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 02:48:45,131 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 02:48:45,132 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 02:48:45,132 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:48:45,132 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 02:48:45,132 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 02:48:45,133 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 02:48:45,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 02:48:45,133 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 02:48:45,133 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 02:48:45,191 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 02:48:45,212 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 02:48:45,214 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 02:48:45,216 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 02:48:45,216 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 02:48:45,217 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec0_product24.cil.c [2019-10-03 02:48:45,285 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ae924fa0/c8cce773a7374526ba4a46dfd50bbd80/FLAG6fc5b4945 [2019-10-03 02:48:45,938 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 02:48:45,939 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec0_product24.cil.c [2019-10-03 02:48:45,962 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ae924fa0/c8cce773a7374526ba4a46dfd50bbd80/FLAG6fc5b4945 [2019-10-03 02:48:46,171 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ae924fa0/c8cce773a7374526ba4a46dfd50bbd80 [2019-10-03 02:48:46,181 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 02:48:46,182 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 02:48:46,184 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 02:48:46,184 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 02:48:46,188 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 02:48:46,189 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:48:46" (1/1) ... [2019-10-03 02:48:46,192 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50368a97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:48:46, skipping insertion in model container [2019-10-03 02:48:46,193 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:48:46" (1/1) ... [2019-10-03 02:48:46,201 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 02:48:46,283 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 02:48:47,216 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:48:47,244 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 02:48:47,395 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:48:47,478 INFO L192 MainTranslator]: Completed translation [2019-10-03 02:48:47,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:48:47 WrapperNode [2019-10-03 02:48:47,479 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 02:48:47,480 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 02:48:47,480 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 02:48:47,480 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 02:48:47,495 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:48:47" (1/1) ... [2019-10-03 02:48:47,497 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:48:47" (1/1) ... [2019-10-03 02:48:47,557 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:48:47" (1/1) ... [2019-10-03 02:48:47,558 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:48:47" (1/1) ... [2019-10-03 02:48:47,630 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:48:47" (1/1) ... [2019-10-03 02:48:47,653 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:48:47" (1/1) ... [2019-10-03 02:48:47,671 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:48:47" (1/1) ... [2019-10-03 02:48:47,693 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 02:48:47,694 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 02:48:47,695 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 02:48:47,695 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 02:48:47,696 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:48:47" (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 02:48:47,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 02:48:47,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 02:48:47,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-03 02:48:47,755 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-03 02:48:47,756 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-03 02:48:47,756 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-03 02:48:47,756 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-03 02:48:47,756 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-03 02:48:47,756 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-03 02:48:47,756 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-03 02:48:47,757 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-03 02:48:47,757 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-03 02:48:47,758 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-03 02:48:47,759 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-03 02:48:47,759 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-03 02:48:47,760 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-03 02:48:47,760 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-03 02:48:47,760 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-03 02:48:47,760 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-03 02:48:47,761 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-03 02:48:47,761 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-03 02:48:47,761 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-03 02:48:47,761 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-03 02:48:47,762 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-03 02:48:47,762 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-03 02:48:47,763 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-03 02:48:47,763 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-03 02:48:47,763 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-03 02:48:47,764 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-03 02:48:47,764 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Keys [2019-10-03 02:48:47,764 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-03 02:48:47,765 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-03 02:48:47,765 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-03 02:48:47,765 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-03 02:48:47,765 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-03 02:48:47,765 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-03 02:48:47,765 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-03 02:48:47,766 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-03 02:48:47,766 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-03 02:48:47,766 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-03 02:48:47,766 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-03 02:48:47,767 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-03 02:48:47,767 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-03 02:48:47,767 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-03 02:48:47,767 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-03 02:48:47,768 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-03 02:48:47,768 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-03 02:48:47,768 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-03 02:48:47,768 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-03 02:48:47,768 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-03 02:48:47,769 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-03 02:48:47,769 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-03 02:48:47,769 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-03 02:48:47,769 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-03 02:48:47,769 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 02:48:47,769 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-03 02:48:47,770 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-03 02:48:47,770 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-03 02:48:47,770 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-03 02:48:47,770 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-03 02:48:47,770 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-03 02:48:47,770 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-03 02:48:47,771 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-03 02:48:47,771 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-03 02:48:47,771 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-03 02:48:47,771 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-03 02:48:47,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-03 02:48:47,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-03 02:48:47,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-03 02:48:47,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-03 02:48:47,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-03 02:48:47,772 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-03 02:48:47,773 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-03 02:48:47,773 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AutoResponder [2019-10-03 02:48:47,774 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-10-03 02:48:47,774 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-03 02:48:47,774 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-03 02:48:47,774 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-03 02:48:47,774 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-03 02:48:47,775 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptForward_spec__1 [2019-10-03 02:48:47,775 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-03 02:48:47,775 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-03 02:48:47,776 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-03 02:48:47,776 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-03 02:48:47,776 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-03 02:48:47,777 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-03 02:48:47,778 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-03 02:48:47,778 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-03 02:48:47,778 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-03 02:48:47,778 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-03 02:48:47,779 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-03 02:48:47,779 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-03 02:48:47,779 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-03 02:48:47,779 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-03 02:48:47,779 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-03 02:48:47,779 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-03 02:48:47,780 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-03 02:48:47,780 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-03 02:48:47,780 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-03 02:48:47,780 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-03 02:48:47,780 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-03 02:48:47,780 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-03 02:48:47,781 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-03 02:48:47,781 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-03 02:48:47,781 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-03 02:48:47,781 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-03 02:48:47,781 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-03 02:48:47,781 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-03 02:48:47,781 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-03 02:48:47,782 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-03 02:48:47,782 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-03 02:48:47,782 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-03 02:48:47,782 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-03 02:48:47,782 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-03 02:48:47,782 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 02:48:47,783 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 02:48:47,783 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-03 02:48:47,784 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-03 02:48:47,784 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-03 02:48:47,785 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-03 02:48:47,785 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-03 02:48:47,785 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-03 02:48:47,785 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-03 02:48:47,786 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-03 02:48:47,786 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-03 02:48:47,787 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-03 02:48:47,787 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-03 02:48:47,787 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-03 02:48:47,787 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-03 02:48:47,787 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-03 02:48:47,787 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-03 02:48:47,787 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-03 02:48:47,787 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-03 02:48:47,787 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-03 02:48:47,788 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-03 02:48:47,788 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-03 02:48:47,788 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-03 02:48:47,788 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-03 02:48:47,788 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-03 02:48:47,790 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-03 02:48:47,790 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-03 02:48:47,791 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-03 02:48:47,791 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-03 02:48:47,791 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-03 02:48:47,791 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-03 02:48:47,791 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-03 02:48:47,791 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-03 02:48:47,791 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-03 02:48:47,792 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-03 02:48:47,792 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-03 02:48:47,792 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-03 02:48:47,792 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-03 02:48:47,792 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-03 02:48:47,792 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-03 02:48:47,792 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-03 02:48:47,792 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-03 02:48:47,793 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-03 02:48:47,793 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-03 02:48:47,793 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-03 02:48:47,793 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-03 02:48:47,793 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-03 02:48:47,793 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-03 02:48:47,793 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-03 02:48:47,793 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-03 02:48:47,794 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-03 02:48:47,794 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-03 02:48:47,794 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-03 02:48:47,794 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-03 02:48:47,794 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-03 02:48:47,794 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-03 02:48:47,794 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-03 02:48:47,795 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-03 02:48:47,795 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-03 02:48:47,795 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-03 02:48:47,795 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-03 02:48:47,795 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-03 02:48:47,795 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 02:48:47,795 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-03 02:48:47,795 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Keys [2019-10-03 02:48:47,796 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-03 02:48:47,796 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-03 02:48:47,796 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptForward_spec__1 [2019-10-03 02:48:47,796 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-03 02:48:47,796 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-03 02:48:47,796 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-03 02:48:47,796 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-03 02:48:47,797 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-03 02:48:47,797 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-03 02:48:47,797 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-03 02:48:47,797 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-03 02:48:47,797 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-03 02:48:47,797 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-03 02:48:47,797 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-03 02:48:47,797 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-03 02:48:47,798 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-03 02:48:47,798 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-03 02:48:47,798 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-03 02:48:47,798 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-03 02:48:47,798 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 02:48:47,798 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-03 02:48:47,798 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-03 02:48:47,799 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-03 02:48:47,799 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-03 02:48:47,799 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-03 02:48:47,799 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-03 02:48:47,799 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-03 02:48:47,799 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 02:48:47,799 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 02:48:47,799 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-03 02:48:47,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 02:48:47,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 02:48:47,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 02:48:47,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 02:48:47,800 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-03 02:48:47,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 02:48:47,800 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-03 02:48:47,801 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-03 02:48:47,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 02:48:47,801 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-03 02:48:47,801 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-03 02:48:47,801 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-03 02:48:47,801 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-03 02:48:47,801 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AutoResponder [2019-10-03 02:48:47,801 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-10-03 02:48:47,802 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-03 02:48:47,802 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-03 02:48:47,802 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-03 02:48:47,802 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-03 02:48:47,802 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-03 02:48:47,802 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-03 02:48:47,802 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-03 02:48:47,803 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-03 02:48:47,803 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-03 02:48:47,803 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-03 02:48:47,803 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-03 02:48:47,803 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-03 02:48:47,803 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-03 02:48:47,803 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-03 02:48:47,803 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-03 02:48:47,804 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-03 02:48:47,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 02:48:47,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 02:48:47,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 02:48:49,791 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 02:48:49,791 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-03 02:48:49,793 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:48:49 BoogieIcfgContainer [2019-10-03 02:48:49,794 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 02:48:49,795 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 02:48:49,795 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 02:48:49,798 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 02:48:49,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 02:48:46" (1/3) ... [2019-10-03 02:48:49,799 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@253db4ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:48:49, skipping insertion in model container [2019-10-03 02:48:49,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:48:47" (2/3) ... [2019-10-03 02:48:49,800 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@253db4ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:48:49, skipping insertion in model container [2019-10-03 02:48:49,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:48:49" (3/3) ... [2019-10-03 02:48:49,802 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec0_product24.cil.c [2019-10-03 02:48:49,812 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 02:48:49,821 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 02:48:49,839 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 02:48:49,866 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 02:48:49,866 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 02:48:49,866 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 02:48:49,867 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 02:48:49,867 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 02:48:49,867 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 02:48:49,867 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 02:48:49,867 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 02:48:49,893 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states. [2019-10-03 02:48:49,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2019-10-03 02:48:49,923 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:48:49,924 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2019-10-03 02:48:49,926 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:48:49,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:48:49,932 INFO L82 PathProgramCache]: Analyzing trace with hash -294836604, now seen corresponding path program 1 times [2019-10-03 02:48:49,935 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:48:49,996 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:48:49,996 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:48:49,996 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:48:49,997 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:48:50,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:48:50,533 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2019-10-03 02:48:50,536 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:48:50,537 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-03 02:48:50,537 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:48:50,548 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:48:50,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:48:50,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:48:50,567 INFO L87 Difference]: Start difference. First operand 523 states. Second operand 2 states. [2019-10-03 02:48:50,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:48:50,623 INFO L93 Difference]: Finished difference Result 509 states and 669 transitions. [2019-10-03 02:48:50,623 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:48:50,625 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 193 [2019-10-03 02:48:50,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:48:50,693 INFO L225 Difference]: With dead ends: 509 [2019-10-03 02:48:50,694 INFO L226 Difference]: Without dead ends: 500 [2019-10-03 02:48:50,696 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 02:48:50,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2019-10-03 02:48:50,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 500. [2019-10-03 02:48:50,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 500 states. [2019-10-03 02:48:50,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 658 transitions. [2019-10-03 02:48:50,801 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 658 transitions. Word has length 193 [2019-10-03 02:48:50,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:48:50,804 INFO L475 AbstractCegarLoop]: Abstraction has 500 states and 658 transitions. [2019-10-03 02:48:50,804 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:48:50,804 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 658 transitions. [2019-10-03 02:48:50,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2019-10-03 02:48:50,812 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:48:50,812 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2019-10-03 02:48:50,813 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:48:50,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:48:50,814 INFO L82 PathProgramCache]: Analyzing trace with hash -610147950, now seen corresponding path program 1 times [2019-10-03 02:48:50,814 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:48:50,818 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:48:50,819 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:48:50,819 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:48:50,819 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:48:50,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:48:51,091 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2019-10-03 02:48:51,092 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:48:51,092 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:48:51,092 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:48:51,097 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:48:51,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:48:51,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:48:51,098 INFO L87 Difference]: Start difference. First operand 500 states and 658 transitions. Second operand 3 states. [2019-10-03 02:48:51,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:48:51,158 INFO L93 Difference]: Finished difference Result 503 states and 661 transitions. [2019-10-03 02:48:51,159 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:48:51,159 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 194 [2019-10-03 02:48:51,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:48:51,165 INFO L225 Difference]: With dead ends: 503 [2019-10-03 02:48:51,165 INFO L226 Difference]: Without dead ends: 503 [2019-10-03 02:48:51,167 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 02:48:51,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2019-10-03 02:48:51,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 502. [2019-10-03 02:48:51,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 502 states. [2019-10-03 02:48:51,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 502 states and 660 transitions. [2019-10-03 02:48:51,204 INFO L78 Accepts]: Start accepts. Automaton has 502 states and 660 transitions. Word has length 194 [2019-10-03 02:48:51,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:48:51,205 INFO L475 AbstractCegarLoop]: Abstraction has 502 states and 660 transitions. [2019-10-03 02:48:51,205 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:48:51,205 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 660 transitions. [2019-10-03 02:48:51,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2019-10-03 02:48:51,210 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:48:51,211 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:48:51,211 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:48:51,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:48:51,212 INFO L82 PathProgramCache]: Analyzing trace with hash -1302493868, now seen corresponding path program 1 times [2019-10-03 02:48:51,212 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:48:51,217 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:48:51,217 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:48:51,217 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:48:51,217 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:48:51,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:48:51,487 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2019-10-03 02:48:51,488 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:48:51,488 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:48:51,488 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:48:51,489 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:48:51,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:48:51,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:48:51,492 INFO L87 Difference]: Start difference. First operand 502 states and 660 transitions. Second operand 3 states. [2019-10-03 02:48:51,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:48:51,529 INFO L93 Difference]: Finished difference Result 545 states and 733 transitions. [2019-10-03 02:48:51,532 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:48:51,532 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 206 [2019-10-03 02:48:51,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:48:51,542 INFO L225 Difference]: With dead ends: 545 [2019-10-03 02:48:51,542 INFO L226 Difference]: Without dead ends: 545 [2019-10-03 02:48:51,543 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 02:48:51,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2019-10-03 02:48:51,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 544. [2019-10-03 02:48:51,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 544 states. [2019-10-03 02:48:51,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 732 transitions. [2019-10-03 02:48:51,595 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 732 transitions. Word has length 206 [2019-10-03 02:48:51,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:48:51,596 INFO L475 AbstractCegarLoop]: Abstraction has 544 states and 732 transitions. [2019-10-03 02:48:51,596 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:48:51,596 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 732 transitions. [2019-10-03 02:48:51,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2019-10-03 02:48:51,602 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:48:51,602 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:48:51,602 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:48:51,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:48:51,603 INFO L82 PathProgramCache]: Analyzing trace with hash 2140310884, now seen corresponding path program 1 times [2019-10-03 02:48:51,603 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:48:51,607 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:48:51,607 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:48:51,607 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:48:51,608 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:48:51,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:48:51,784 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2019-10-03 02:48:51,784 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:48:51,784 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:48:51,785 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:48:51,785 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:48:51,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:48:51,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:48:51,786 INFO L87 Difference]: Start difference. First operand 544 states and 732 transitions. Second operand 3 states. [2019-10-03 02:48:51,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:48:51,812 INFO L93 Difference]: Finished difference Result 626 states and 871 transitions. [2019-10-03 02:48:51,812 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:48:51,812 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 207 [2019-10-03 02:48:51,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:48:51,818 INFO L225 Difference]: With dead ends: 626 [2019-10-03 02:48:51,818 INFO L226 Difference]: Without dead ends: 626 [2019-10-03 02:48:51,818 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 02:48:51,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 626 states. [2019-10-03 02:48:51,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 626 to 625. [2019-10-03 02:48:51,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 625 states. [2019-10-03 02:48:51,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 870 transitions. [2019-10-03 02:48:51,842 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 870 transitions. Word has length 207 [2019-10-03 02:48:51,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:48:51,843 INFO L475 AbstractCegarLoop]: Abstraction has 625 states and 870 transitions. [2019-10-03 02:48:51,843 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:48:51,843 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 870 transitions. [2019-10-03 02:48:51,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2019-10-03 02:48:51,848 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:48:51,849 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2019-10-03 02:48:51,849 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:48:51,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:48:51,849 INFO L82 PathProgramCache]: Analyzing trace with hash -1021102247, now seen corresponding path program 1 times [2019-10-03 02:48:51,849 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:48:51,854 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:48:51,854 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:48:51,854 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:48:51,855 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:48:51,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:48:52,155 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2019-10-03 02:48:52,156 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-03 02:48:52,156 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-10-03 02:48:52,157 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 211 with the following transitions: [2019-10-03 02:48:52,160 INFO L207 CegarAbsIntRunner]: [44], [47], [50], [85], [88], [98], [133], [162], [165], [166], [167], [169], [279], [282], [283], [284], [287], [293], [315], [318], [324], [326], [327], [329], [333], [336], [345], [356], [357], [358], [360], [361], [364], [374], [375], [376], [403], [405], [417], [439], [441], [536], [632], [634], [635], [636], [654], [656], [661], [685], [688], [702], [741], [743], [746], [747], [758], [760], [763], [767], [791], [795], [798], [806], [809], [823], [826], [836], [837], [843], [852], [856], [858], [860], [863], [870], [877], [880], [882], [1018], [1021], [1035], [1143], [1197], [1219], [1230], [1233], [1272], [1274], [1353], [1356], [1366], [1387], [1390], [1404], [1410], [1413], [1422], [1611], [1613], [1615], [1617], [1618], [1622], [1624], [1633], [1634], [1635], [1636], [1637], [1638], [1639], [1659], [1669], [1670], [1671], [1672], [1673], [1674], [1677], [1678], [1679], [1680], [1687], [1688], [1689], [1690], [1693], [1694], [1695], [1696], [1697], [1703], [1704], [1709], [1710], [1723], [1724], [1731], [1747], [1748], [1757], [1758], [1759], [1767], [1768], [1769], [1771], [1772], [1777], [1778], [1779], [1780], [1781], [1782], [1783], [1784], [1785], [1787], [1788], [1789], [1790], [1803], [1804], [1805], [1811], [1812], [1829], [1831], [1832], [1833], [1835], [1836], [1837], [1838], [1839], [1840], [1841], [1853], [1854], [1855], [1856], [1857], [1858], [1859], [1860], [1861], [1863], [1864] [2019-10-03 02:48:52,232 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-03 02:48:52,233 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 02:48:52,411 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-03 02:48:52,413 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 226 root evaluator evaluations with a maximum evaluation depth of 0. Performed 226 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 368 variables. [2019-10-03 02:48:52,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:48:52,419 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-03 02:48:52,577 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-03 02:48:52,578 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-10-03 02:48:52,588 INFO L420 sIntCurrentIteration]: We unified 209 AI predicates to 209 [2019-10-03 02:48:52,589 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-03 02:48:52,591 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-03 02:48:52,591 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [8] total 8 [2019-10-03 02:48:52,592 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:48:52,592 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:48:52,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:48:52,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:48:52,593 INFO L87 Difference]: Start difference. First operand 625 states and 870 transitions. Second operand 2 states. [2019-10-03 02:48:52,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:48:52,594 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-10-03 02:48:52,594 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:48:52,594 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 210 [2019-10-03 02:48:52,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:48:52,594 INFO L225 Difference]: With dead ends: 2 [2019-10-03 02:48:52,594 INFO L226 Difference]: Without dead ends: 0 [2019-10-03 02:48:52,595 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 209 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 02:48:52,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-03 02:48:52,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-03 02:48:52,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-03 02:48:52,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-03 02:48:52,596 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 210 [2019-10-03 02:48:52,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:48:52,597 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-03 02:48:52,597 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:48:52,597 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-03 02:48:52,597 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-03 02:48:52,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 02:48:52 BoogieIcfgContainer [2019-10-03 02:48:52,605 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-03 02:48:52,609 INFO L168 Benchmark]: Toolchain (without parser) took 6424.74 ms. Allocated memory was 138.9 MB in the beginning and 351.3 MB in the end (delta: 212.3 MB). Free memory was 83.7 MB in the beginning and 295.0 MB in the end (delta: -211.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 7.1 GB. [2019-10-03 02:48:52,610 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 138.9 MB. Free memory was 104.9 MB in the beginning and 104.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-03 02:48:52,612 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1295.83 ms. Allocated memory was 138.9 MB in the beginning and 200.3 MB in the end (delta: 61.3 MB). Free memory was 83.3 MB in the beginning and 135.1 MB in the end (delta: -51.8 MB). Peak memory consumption was 29.8 MB. Max. memory is 7.1 GB. [2019-10-03 02:48:52,613 INFO L168 Benchmark]: Boogie Preprocessor took 213.54 ms. Allocated memory is still 200.3 MB. Free memory was 135.1 MB in the beginning and 125.8 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-10-03 02:48:52,615 INFO L168 Benchmark]: RCFGBuilder took 2099.26 ms. Allocated memory was 200.3 MB in the beginning and 267.9 MB in the end (delta: 67.6 MB). Free memory was 125.8 MB in the beginning and 170.7 MB in the end (delta: -44.8 MB). Peak memory consumption was 87.1 MB. Max. memory is 7.1 GB. [2019-10-03 02:48:52,616 INFO L168 Benchmark]: TraceAbstraction took 2810.53 ms. Allocated memory was 267.9 MB in the beginning and 351.3 MB in the end (delta: 83.4 MB). Free memory was 170.7 MB in the beginning and 295.0 MB in the end (delta: -124.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-10-03 02:48:52,626 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 138.9 MB. Free memory was 104.9 MB in the beginning and 104.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1295.83 ms. Allocated memory was 138.9 MB in the beginning and 200.3 MB in the end (delta: 61.3 MB). Free memory was 83.3 MB in the beginning and 135.1 MB in the end (delta: -51.8 MB). Peak memory consumption was 29.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 213.54 ms. Allocated memory is still 200.3 MB. Free memory was 135.1 MB in the beginning and 125.8 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2099.26 ms. Allocated memory was 200.3 MB in the beginning and 267.9 MB in the end (delta: 67.6 MB). Free memory was 125.8 MB in the beginning and 170.7 MB in the end (delta: -44.8 MB). Peak memory consumption was 87.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2810.53 ms. Allocated memory was 267.9 MB in the beginning and 351.3 MB in the end (delta: 83.4 MB). Free memory was 170.7 MB in the beginning and 295.0 MB in the end (delta: -124.3 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1327]: 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 114 procedures, 765 locations, 1 error locations. SAFE Result, 2.7s OverallTime, 5 OverallIterations, 3 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2664 SDtfs, 105 SDslu, 1956 SDs, 0 SdLazy, 11 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 220 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=625occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.2s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 2.0669856459330145 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 3 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1010 NumberOfCodeBlocks, 1010 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 1005 ConstructedInterpolants, 0 QuantifiedInterpolants, 210483 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 179/181 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...