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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/email_spec0_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 14:38:22,853 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 14:38:22,855 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 14:38:22,867 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 14:38:22,868 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 14:38:22,869 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 14:38:22,870 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 14:38:22,872 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 14:38:22,874 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 14:38:22,875 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 14:38:22,876 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 14:38:22,877 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 14:38:22,877 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 14:38:22,878 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 14:38:22,879 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 14:38:22,880 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 14:38:22,881 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 14:38:22,882 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 14:38:22,884 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 14:38:22,886 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 14:38:22,888 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 14:38:22,889 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 14:38:22,890 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 14:38:22,891 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 14:38:22,896 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 14:38:22,897 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 14:38:22,897 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 14:38:22,898 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 14:38:22,898 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 14:38:22,899 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 14:38:22,901 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 14:38:22,902 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 14:38:22,903 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 14:38:22,904 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 14:38:22,905 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 14:38:22,905 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 14:38:22,906 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 14:38:22,906 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 14:38:22,906 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 14:38:22,910 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 14:38:22,911 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 14:38:22,915 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-07 14:38:22,930 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 14:38:22,930 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 14:38:22,931 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 14:38:22,931 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 14:38:22,932 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 14:38:22,932 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 14:38:22,932 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 14:38:22,932 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 14:38:22,932 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 14:38:22,933 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 14:38:22,933 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 14:38:22,933 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 14:38:22,933 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 14:38:22,933 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 14:38:22,934 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 14:38:22,934 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 14:38:22,934 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 14:38:22,934 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 14:38:22,934 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 14:38:22,935 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 14:38:22,935 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 14:38:22,935 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 14:38:22,935 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 14:38:22,935 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 14:38:22,936 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 14:38:22,936 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 14:38:22,936 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 14:38:22,936 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 14:38:22,937 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 14:38:23,214 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 14:38:23,227 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 14:38:23,230 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 14:38:23,232 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 14:38:23,232 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 14:38:23,233 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec0_product24.cil.c [2019-10-07 14:38:23,292 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa3531f7d/a94ea66dad394ff4a775e8bc2c193e55/FLAG8919ecd4a [2019-10-07 14:38:23,941 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 14:38:23,942 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec0_product24.cil.c [2019-10-07 14:38:23,967 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa3531f7d/a94ea66dad394ff4a775e8bc2c193e55/FLAG8919ecd4a [2019-10-07 14:38:24,146 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa3531f7d/a94ea66dad394ff4a775e8bc2c193e55 [2019-10-07 14:38:24,156 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 14:38:24,157 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 14:38:24,158 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 14:38:24,158 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 14:38:24,162 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 14:38:24,163 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:38:24" (1/1) ... [2019-10-07 14:38:24,166 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a6a066a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:38:24, skipping insertion in model container [2019-10-07 14:38:24,166 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:38:24" (1/1) ... [2019-10-07 14:38:24,173 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 14:38:24,255 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 14:38:25,017 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:38:25,043 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 14:38:25,178 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:38:25,319 INFO L192 MainTranslator]: Completed translation [2019-10-07 14:38:25,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:38:25 WrapperNode [2019-10-07 14:38:25,320 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 14:38:25,321 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 14:38:25,321 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 14:38:25,321 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 14:38:25,339 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:38:25" (1/1) ... [2019-10-07 14:38:25,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:38:25" (1/1) ... [2019-10-07 14:38:25,398 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:38:25" (1/1) ... [2019-10-07 14:38:25,399 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:38:25" (1/1) ... [2019-10-07 14:38:25,484 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:38:25" (1/1) ... [2019-10-07 14:38:25,519 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:38:25" (1/1) ... [2019-10-07 14:38:25,538 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:38:25" (1/1) ... [2019-10-07 14:38:25,570 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 14:38:25,571 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 14:38:25,571 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 14:38:25,571 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 14:38:25,572 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:38:25" (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 [2019-10-07 14:38:25,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 14:38:25,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 14:38:25,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 14:38:25,652 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-07 14:38:25,652 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-07 14:38:25,653 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-07 14:38:25,654 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-07 14:38:25,655 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-07 14:38:25,655 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-07 14:38:25,655 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-07 14:38:25,656 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-07 14:38:25,657 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-07 14:38:25,657 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-07 14:38:25,658 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-07 14:38:25,658 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-07 14:38:25,658 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-07 14:38:25,662 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-07 14:38:25,663 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-07 14:38:25,663 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-07 14:38:25,663 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-07 14:38:25,663 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-07 14:38:25,664 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-07 14:38:25,664 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-07 14:38:25,665 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-07 14:38:25,665 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 14:38:25,665 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-07 14:38:25,665 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-07 14:38:25,665 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-07 14:38:25,665 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-07 14:38:25,666 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Keys [2019-10-07 14:38:25,666 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-07 14:38:25,666 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-07 14:38:25,666 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-07 14:38:25,666 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-07 14:38:25,667 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-07 14:38:25,667 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-07 14:38:25,668 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-07 14:38:25,668 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-07 14:38:25,668 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-07 14:38:25,668 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-07 14:38:25,668 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-07 14:38:25,668 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-07 14:38:25,669 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-07 14:38:25,669 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-07 14:38:25,669 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-07 14:38:25,669 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-07 14:38:25,669 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-07 14:38:25,670 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-07 14:38:25,670 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-07 14:38:25,670 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-07 14:38:25,670 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-07 14:38:25,670 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-07 14:38:25,670 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-07 14:38:25,671 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 14:38:25,671 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 14:38:25,671 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-07 14:38:25,671 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-07 14:38:25,672 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-07 14:38:25,672 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-07 14:38:25,673 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-07 14:38:25,673 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-07 14:38:25,674 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-07 14:38:25,674 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-07 14:38:25,674 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-07 14:38:25,674 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-07 14:38:25,675 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-07 14:38:25,675 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 14:38:25,675 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 14:38:25,675 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 14:38:25,676 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 14:38:25,676 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 14:38:25,676 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 14:38:25,676 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 14:38:25,678 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AutoResponder [2019-10-07 14:38:25,678 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-10-07 14:38:25,679 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-07 14:38:25,679 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-07 14:38:25,679 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-07 14:38:25,679 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-07 14:38:25,679 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptForward_spec__1 [2019-10-07 14:38:25,679 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 14:38:25,679 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 14:38:25,680 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 14:38:25,680 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 14:38:25,680 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-07 14:38:25,681 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-07 14:38:25,681 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-07 14:38:25,683 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-07 14:38:25,683 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-07 14:38:25,683 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-07 14:38:25,683 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-07 14:38:25,684 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-07 14:38:25,684 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-07 14:38:25,684 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-07 14:38:25,684 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-07 14:38:25,684 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-07 14:38:25,685 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-07 14:38:25,685 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-07 14:38:25,685 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-07 14:38:25,685 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-07 14:38:25,686 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-07 14:38:25,686 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-07 14:38:25,686 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-07 14:38:25,686 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-07 14:38:25,686 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-07 14:38:25,687 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-07 14:38:25,687 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-07 14:38:25,687 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-07 14:38:25,687 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-07 14:38:25,687 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-07 14:38:25,688 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-07 14:38:25,688 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-07 14:38:25,688 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-07 14:38:25,688 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-07 14:38:25,689 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 14:38:25,689 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 14:38:25,689 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-07 14:38:25,690 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-07 14:38:25,690 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-07 14:38:25,690 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-07 14:38:25,691 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-07 14:38:25,691 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-07 14:38:25,692 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-07 14:38:25,692 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-07 14:38:25,694 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-07 14:38:25,694 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-07 14:38:25,694 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-07 14:38:25,695 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-07 14:38:25,695 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-07 14:38:25,695 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-07 14:38:25,695 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-07 14:38:25,696 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-07 14:38:25,696 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-07 14:38:25,697 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-07 14:38:25,701 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-07 14:38:25,701 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-07 14:38:25,701 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-07 14:38:25,702 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-07 14:38:25,703 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-07 14:38:25,703 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-07 14:38:25,703 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-07 14:38:25,703 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-07 14:38:25,704 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-07 14:38:25,705 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-07 14:38:25,716 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-07 14:38:25,716 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-07 14:38:25,717 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-07 14:38:25,717 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 14:38:25,717 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 14:38:25,717 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-07 14:38:25,717 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-07 14:38:25,718 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-07 14:38:25,718 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-07 14:38:25,718 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-07 14:38:25,718 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-07 14:38:25,719 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-07 14:38:25,719 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-07 14:38:25,719 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-07 14:38:25,719 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-07 14:38:25,719 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-07 14:38:25,719 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-07 14:38:25,720 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-07 14:38:25,720 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-07 14:38:25,721 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-07 14:38:25,721 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-07 14:38:25,722 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-07 14:38:25,722 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-07 14:38:25,722 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-07 14:38:25,722 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-07 14:38:25,722 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-07 14:38:25,722 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-07 14:38:25,722 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-07 14:38:25,723 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-07 14:38:25,723 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-07 14:38:25,723 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-07 14:38:25,723 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-07 14:38:25,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 14:38:25,723 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-07 14:38:25,723 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Keys [2019-10-07 14:38:25,724 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-07 14:38:25,724 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-07 14:38:25,724 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptForward_spec__1 [2019-10-07 14:38:25,724 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-07 14:38:25,724 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-07 14:38:25,724 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-07 14:38:25,724 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-07 14:38:25,725 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-07 14:38:25,725 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-07 14:38:25,725 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-07 14:38:25,725 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-07 14:38:25,725 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 14:38:25,725 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 14:38:25,725 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 14:38:25,726 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-07 14:38:25,726 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-07 14:38:25,726 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-07 14:38:25,726 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-07 14:38:25,726 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 14:38:25,726 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 14:38:25,726 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-07 14:38:25,727 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-07 14:38:25,727 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-07 14:38:25,727 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-07 14:38:25,727 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-07 14:38:25,727 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 14:38:25,727 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 14:38:25,727 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 14:38:25,727 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 14:38:25,728 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 14:38:25,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 14:38:25,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 14:38:25,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 14:38:25,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 14:38:25,728 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 14:38:25,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 14:38:25,729 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 14:38:25,729 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 14:38:25,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 14:38:25,729 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 14:38:25,729 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 14:38:25,729 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 14:38:25,730 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-07 14:38:25,730 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AutoResponder [2019-10-07 14:38:25,730 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-10-07 14:38:25,730 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 14:38:25,730 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-07 14:38:25,730 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-07 14:38:25,730 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-07 14:38:25,731 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-07 14:38:25,731 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-07 14:38:25,731 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-07 14:38:25,731 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-07 14:38:25,731 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-07 14:38:25,731 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-07 14:38:25,731 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-07 14:38:25,732 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-07 14:38:25,732 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-07 14:38:25,732 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-07 14:38:25,732 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-07 14:38:25,732 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-07 14:38:25,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 14:38:25,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 14:38:25,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 14:38:30,115 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 14:38:30,115 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-07 14:38:30,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:38:30 BoogieIcfgContainer [2019-10-07 14:38:30,117 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 14:38:30,118 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 14:38:30,118 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 14:38:30,121 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 14:38:30,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 02:38:24" (1/3) ... [2019-10-07 14:38:30,122 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22fc6059 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:38:30, skipping insertion in model container [2019-10-07 14:38:30,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:38:25" (2/3) ... [2019-10-07 14:38:30,123 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22fc6059 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:38:30, skipping insertion in model container [2019-10-07 14:38:30,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:38:30" (3/3) ... [2019-10-07 14:38:30,125 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec0_product24.cil.c [2019-10-07 14:38:30,135 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 14:38:30,144 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 14:38:30,155 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 14:38:30,184 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 14:38:30,184 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 14:38:30,184 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 14:38:30,185 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 14:38:30,185 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 14:38:30,185 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 14:38:30,185 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 14:38:30,185 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 14:38:30,213 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states. [2019-10-07 14:38:30,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2019-10-07 14:38:30,231 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:38:30,233 INFO L385 BasicCegarLoop]: trace histogram [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] [2019-10-07 14:38:30,235 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:38:30,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:38:30,241 INFO L82 PathProgramCache]: Analyzing trace with hash 1248964066, now seen corresponding path program 1 times [2019-10-07 14:38:30,251 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:38:30,251 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:38:30,252 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:38:30,252 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:38:30,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:38:30,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:38:30,954 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-07 14:38:30,955 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:38:30,955 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:38:30,956 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 14:38:30,963 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 14:38:30,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 14:38:30,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 14:38:30,981 INFO L87 Difference]: Start difference. First operand 380 states. Second operand 2 states. [2019-10-07 14:38:31,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:38:31,092 INFO L93 Difference]: Finished difference Result 561 states and 655 transitions. [2019-10-07 14:38:31,092 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 14:38:31,094 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 156 [2019-10-07 14:38:31,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:38:31,130 INFO L225 Difference]: With dead ends: 561 [2019-10-07 14:38:31,130 INFO L226 Difference]: Without dead ends: 359 [2019-10-07 14:38:31,141 INFO L606 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 [2019-10-07 14:38:31,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2019-10-07 14:38:31,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 359. [2019-10-07 14:38:31,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 359 states. [2019-10-07 14:38:31,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 418 transitions. [2019-10-07 14:38:31,268 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 418 transitions. Word has length 156 [2019-10-07 14:38:31,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:38:31,273 INFO L462 AbstractCegarLoop]: Abstraction has 359 states and 418 transitions. [2019-10-07 14:38:31,273 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 14:38:31,273 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 418 transitions. [2019-10-07 14:38:31,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2019-10-07 14:38:31,290 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:38:31,290 INFO L385 BasicCegarLoop]: trace histogram [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] [2019-10-07 14:38:31,290 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:38:31,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:38:31,291 INFO L82 PathProgramCache]: Analyzing trace with hash -1768881609, now seen corresponding path program 1 times [2019-10-07 14:38:31,292 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:38:31,292 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:38:31,293 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:38:31,293 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:38:31,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:38:31,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:38:31,562 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-07 14:38:31,562 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:38:31,563 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:38:31,563 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:38:31,565 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:38:31,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:38:31,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:38:31,566 INFO L87 Difference]: Start difference. First operand 359 states and 418 transitions. Second operand 3 states. [2019-10-07 14:38:31,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:38:31,629 INFO L93 Difference]: Finished difference Result 546 states and 624 transitions. [2019-10-07 14:38:31,629 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:38:31,629 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 157 [2019-10-07 14:38:31,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:38:31,634 INFO L225 Difference]: With dead ends: 546 [2019-10-07 14:38:31,635 INFO L226 Difference]: Without dead ends: 361 [2019-10-07 14:38:31,637 INFO L606 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 [2019-10-07 14:38:31,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2019-10-07 14:38:31,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 361. [2019-10-07 14:38:31,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 361 states. [2019-10-07 14:38:31,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 420 transitions. [2019-10-07 14:38:31,673 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 420 transitions. Word has length 157 [2019-10-07 14:38:31,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:38:31,675 INFO L462 AbstractCegarLoop]: Abstraction has 361 states and 420 transitions. [2019-10-07 14:38:31,675 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:38:31,675 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 420 transitions. [2019-10-07 14:38:31,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2019-10-07 14:38:31,680 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:38:31,681 INFO L385 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1] [2019-10-07 14:38:31,681 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:38:31,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:38:31,681 INFO L82 PathProgramCache]: Analyzing trace with hash -173435773, now seen corresponding path program 1 times [2019-10-07 14:38:31,682 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:38:31,682 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:38:31,682 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:38:31,682 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:38:31,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:38:31,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:38:31,962 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-07 14:38:31,963 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:38:31,963 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:38:31,963 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:38:31,964 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:38:31,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:38:31,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:38:31,965 INFO L87 Difference]: Start difference. First operand 361 states and 420 transitions. Second operand 3 states. [2019-10-07 14:38:32,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:38:32,014 INFO L93 Difference]: Finished difference Result 706 states and 850 transitions. [2019-10-07 14:38:32,014 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:38:32,015 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 169 [2019-10-07 14:38:32,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:38:32,020 INFO L225 Difference]: With dead ends: 706 [2019-10-07 14:38:32,021 INFO L226 Difference]: Without dead ends: 403 [2019-10-07 14:38:32,022 INFO L606 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 [2019-10-07 14:38:32,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2019-10-07 14:38:32,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 402. [2019-10-07 14:38:32,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 402 states. [2019-10-07 14:38:32,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 491 transitions. [2019-10-07 14:38:32,048 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 491 transitions. Word has length 169 [2019-10-07 14:38:32,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:38:32,049 INFO L462 AbstractCegarLoop]: Abstraction has 402 states and 491 transitions. [2019-10-07 14:38:32,049 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:38:32,049 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 491 transitions. [2019-10-07 14:38:32,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2019-10-07 14:38:32,055 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:38:32,055 INFO L385 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:38:32,055 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:38:32,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:38:32,056 INFO L82 PathProgramCache]: Analyzing trace with hash -2009258407, now seen corresponding path program 1 times [2019-10-07 14:38:32,056 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:38:32,056 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:38:32,056 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:38:32,056 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:38:32,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:38:32,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:38:32,304 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-10-07 14:38:32,304 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:38:32,304 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 14:38:32,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:38:32,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:38:33,002 INFO L256 TraceCheckSpWp]: Trace formula consists of 2622 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-07 14:38:33,018 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 14:38:33,125 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-07 14:38:33,125 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 14:38:33,438 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-07 14:38:33,439 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 14:38:33,477 INFO L162 IcfgInterpreter]: Started Sifa with 155 locations of interest [2019-10-07 14:38:33,477 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 14:38:33,484 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 14:38:33,492 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 14:38:33,493 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 14:39:15,749 WARN L191 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 664 [2019-10-07 14:39:19,362 WARN L191 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 284 DAG size of output: 231 [2019-10-07 14:39:19,735 WARN L191 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 699 [2019-10-07 14:39:20,089 WARN L191 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 699 [2019-10-07 14:39:20,389 WARN L191 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 699 [2019-10-07 14:39:20,626 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 441 [2019-10-07 14:39:21,304 WARN L191 SmtUtils]: Spent 675.00 ms on a formula simplification that was a NOOP. DAG size: 991 [2019-10-07 14:39:21,974 WARN L191 SmtUtils]: Spent 629.00 ms on a formula simplification that was a NOOP. DAG size: 991 [2019-10-07 14:39:22,586 WARN L191 SmtUtils]: Spent 607.00 ms on a formula simplification that was a NOOP. DAG size: 991 [2019-10-07 14:39:22,743 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 441 [2019-10-07 14:39:23,355 WARN L191 SmtUtils]: Spent 610.00 ms on a formula simplification that was a NOOP. DAG size: 991 [2019-10-07 14:39:24,470 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 993 DAG size of output: 991 [2019-10-07 14:39:25,061 WARN L191 SmtUtils]: Spent 588.00 ms on a formula simplification that was a NOOP. DAG size: 991 [2019-10-07 14:39:25,211 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 441 [2019-10-07 14:39:25,766 WARN L191 SmtUtils]: Spent 553.00 ms on a formula simplification that was a NOOP. DAG size: 991 [2019-10-07 14:39:26,321 WARN L191 SmtUtils]: Spent 550.00 ms on a formula simplification that was a NOOP. DAG size: 991 [2019-10-07 14:39:26,883 WARN L191 SmtUtils]: Spent 558.00 ms on a formula simplification that was a NOOP. DAG size: 991 [2019-10-07 14:39:27,011 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 441 [2019-10-07 14:39:27,557 WARN L191 SmtUtils]: Spent 544.00 ms on a formula simplification that was a NOOP. DAG size: 991 [2019-10-07 14:39:27,584 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 547 for LOIs [2019-10-07 14:39:27,916 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 632 [2019-10-07 14:39:28,026 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 632 [2019-10-07 14:39:28,154 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 441 [2019-10-07 14:39:28,611 WARN L191 SmtUtils]: Spent 454.00 ms on a formula simplification that was a NOOP. DAG size: 924 [2019-10-07 14:39:28,613 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1033 for LOIs [2019-10-07 14:39:29,164 WARN L191 SmtUtils]: Spent 550.00 ms on a formula simplification that was a NOOP. DAG size: 1033 [2019-10-07 14:39:29,716 WARN L191 SmtUtils]: Spent 549.00 ms on a formula simplification that was a NOOP. DAG size: 1033 [2019-10-07 14:39:29,967 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 570 [2019-10-07 14:39:30,749 WARN L191 SmtUtils]: Spent 780.00 ms on a formula simplification that was a NOOP. DAG size: 1163 [2019-10-07 14:39:31,354 WARN L191 SmtUtils]: Spent 578.00 ms on a formula simplification that was a NOOP. DAG size: 1039 [2019-10-07 14:39:31,919 WARN L191 SmtUtils]: Spent 560.00 ms on a formula simplification that was a NOOP. DAG size: 1039 [2019-10-07 14:39:32,147 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 14:39:32,938 WARN L191 SmtUtils]: Spent 788.00 ms on a formula simplification that was a NOOP. DAG size: 1169 [2019-10-07 14:39:33,594 WARN L191 SmtUtils]: Spent 624.00 ms on a formula simplification that was a NOOP. DAG size: 1039 [2019-10-07 14:39:34,140 WARN L191 SmtUtils]: Spent 542.00 ms on a formula simplification that was a NOOP. DAG size: 1039 [2019-10-07 14:39:34,338 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 14:39:35,123 WARN L191 SmtUtils]: Spent 782.00 ms on a formula simplification that was a NOOP. DAG size: 1169 [2019-10-07 14:39:36,242 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 1171 DAG size of output: 1039 [2019-10-07 14:39:36,786 WARN L191 SmtUtils]: Spent 541.00 ms on a formula simplification that was a NOOP. DAG size: 1039 [2019-10-07 14:39:37,019 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 14:39:37,807 WARN L191 SmtUtils]: Spent 786.00 ms on a formula simplification that was a NOOP. DAG size: 1169 [2019-10-07 14:39:38,367 WARN L191 SmtUtils]: Spent 545.00 ms on a formula simplification that was a NOOP. DAG size: 1039 [2019-10-07 14:39:38,923 WARN L191 SmtUtils]: Spent 553.00 ms on a formula simplification that was a NOOP. DAG size: 1039 [2019-10-07 14:39:39,116 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 14:39:39,907 WARN L191 SmtUtils]: Spent 788.00 ms on a formula simplification that was a NOOP. DAG size: 1169 [2019-10-07 14:39:40,505 WARN L191 SmtUtils]: Spent 595.00 ms on a formula simplification that was a NOOP. DAG size: 1039 [2019-10-07 14:39:41,046 WARN L191 SmtUtils]: Spent 538.00 ms on a formula simplification that was a NOOP. DAG size: 1039 [2019-10-07 14:39:41,245 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 14:39:42,036 WARN L191 SmtUtils]: Spent 788.00 ms on a formula simplification that was a NOOP. DAG size: 1169 [2019-10-07 14:39:42,586 WARN L191 SmtUtils]: Spent 548.00 ms on a formula simplification that was a NOOP. DAG size: 1039 [2019-10-07 14:39:43,130 WARN L191 SmtUtils]: Spent 540.00 ms on a formula simplification that was a NOOP. DAG size: 1039 [2019-10-07 14:39:43,331 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 14:39:44,124 WARN L191 SmtUtils]: Spent 791.00 ms on a formula simplification that was a NOOP. DAG size: 1169 [2019-10-07 14:39:44,670 WARN L191 SmtUtils]: Spent 544.00 ms on a formula simplification that was a NOOP. DAG size: 1039 [2019-10-07 14:39:45,217 WARN L191 SmtUtils]: Spent 544.00 ms on a formula simplification that was a NOOP. DAG size: 1039 [2019-10-07 14:39:45,434 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 14:39:46,217 WARN L191 SmtUtils]: Spent 781.00 ms on a formula simplification that was a NOOP. DAG size: 1169 [2019-10-07 14:39:46,760 WARN L191 SmtUtils]: Spent 540.00 ms on a formula simplification that was a NOOP. DAG size: 1039 [2019-10-07 14:39:47,314 WARN L191 SmtUtils]: Spent 551.00 ms on a formula simplification that was a NOOP. DAG size: 1039 [2019-10-07 14:39:47,504 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 14:39:48,293 WARN L191 SmtUtils]: Spent 787.00 ms on a formula simplification that was a NOOP. DAG size: 1169 [2019-10-07 14:39:48,837 WARN L191 SmtUtils]: Spent 541.00 ms on a formula simplification that was a NOOP. DAG size: 1039 [2019-10-07 14:39:49,383 WARN L191 SmtUtils]: Spent 543.00 ms on a formula simplification that was a NOOP. DAG size: 1039 [2019-10-07 14:39:49,571 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 14:39:50,361 WARN L191 SmtUtils]: Spent 788.00 ms on a formula simplification that was a NOOP. DAG size: 1169 [2019-10-07 14:39:50,905 WARN L191 SmtUtils]: Spent 542.00 ms on a formula simplification that was a NOOP. DAG size: 1039 [2019-10-07 14:39:51,452 WARN L191 SmtUtils]: Spent 544.00 ms on a formula simplification that was a NOOP. DAG size: 1039 [2019-10-07 14:39:51,643 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 14:39:52,433 WARN L191 SmtUtils]: Spent 788.00 ms on a formula simplification that was a NOOP. DAG size: 1169 [2019-10-07 14:39:52,983 WARN L191 SmtUtils]: Spent 547.00 ms on a formula simplification that was a NOOP. DAG size: 1039 [2019-10-07 14:39:53,528 WARN L191 SmtUtils]: Spent 542.00 ms on a formula simplification that was a NOOP. DAG size: 1039 [2019-10-07 14:39:53,719 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 14:39:54,504 WARN L191 SmtUtils]: Spent 782.00 ms on a formula simplification that was a NOOP. DAG size: 1169 [2019-10-07 14:39:55,047 WARN L191 SmtUtils]: Spent 540.00 ms on a formula simplification that was a NOOP. DAG size: 1039 [2019-10-07 14:39:55,590 WARN L191 SmtUtils]: Spent 539.00 ms on a formula simplification that was a NOOP. DAG size: 1039 [2019-10-07 14:39:55,785 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 14:39:56,576 WARN L191 SmtUtils]: Spent 789.00 ms on a formula simplification that was a NOOP. DAG size: 1169 [2019-10-07 14:39:57,416 WARN L191 SmtUtils]: Spent 788.00 ms on a formula simplification that was a NOOP. DAG size: 1169 [2019-10-07 14:39:58,205 WARN L191 SmtUtils]: Spent 786.00 ms on a formula simplification that was a NOOP. DAG size: 1169 [2019-10-07 14:39:58,401 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 14:39:59,206 WARN L191 SmtUtils]: Spent 803.00 ms on a formula simplification that was a NOOP. DAG size: 1169 [2019-10-07 14:40:00,737 WARN L191 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 1171 DAG size of output: 1169 [2019-10-07 14:40:01,535 WARN L191 SmtUtils]: Spent 795.00 ms on a formula simplification that was a NOOP. DAG size: 1169 [2019-10-07 14:40:01,755 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 14:40:02,542 WARN L191 SmtUtils]: Spent 785.00 ms on a formula simplification that was a NOOP. DAG size: 1169 [2019-10-07 14:40:03,336 WARN L191 SmtUtils]: Spent 790.00 ms on a formula simplification that was a NOOP. DAG size: 1169 [2019-10-07 14:40:04,118 WARN L191 SmtUtils]: Spent 779.00 ms on a formula simplification that was a NOOP. DAG size: 1169 [2019-10-07 14:40:04,305 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 14:40:05,091 WARN L191 SmtUtils]: Spent 784.00 ms on a formula simplification that was a NOOP. DAG size: 1169 [2019-10-07 14:40:05,922 WARN L191 SmtUtils]: Spent 797.00 ms on a formula simplification that was a NOOP. DAG size: 1173 [2019-10-07 14:40:06,710 WARN L191 SmtUtils]: Spent 785.00 ms on a formula simplification that was a NOOP. DAG size: 1173 [2019-10-07 14:40:06,908 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 579 [2019-10-07 14:40:07,688 WARN L191 SmtUtils]: Spent 778.00 ms on a formula simplification that was a NOOP. DAG size: 1173 [2019-10-07 14:40:09,163 WARN L191 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 1175 DAG size of output: 1173 [2019-10-07 14:40:09,952 WARN L191 SmtUtils]: Spent 785.00 ms on a formula simplification that was a NOOP. DAG size: 1173 [2019-10-07 14:40:10,152 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 579 [2019-10-07 14:40:10,937 WARN L191 SmtUtils]: Spent 783.00 ms on a formula simplification that was a NOOP. DAG size: 1173 [2019-10-07 14:40:12,364 WARN L191 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 1175 DAG size of output: 1173 [2019-10-07 14:40:13,153 WARN L191 SmtUtils]: Spent 786.00 ms on a formula simplification that was a NOOP. DAG size: 1173 [2019-10-07 14:40:13,342 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 579 [2019-10-07 14:40:14,134 WARN L191 SmtUtils]: Spent 790.00 ms on a formula simplification that was a NOOP. DAG size: 1173 [2019-10-07 14:40:14,945 WARN L191 SmtUtils]: Spent 803.00 ms on a formula simplification that was a NOOP. DAG size: 1176 [2019-10-07 14:40:15,733 WARN L191 SmtUtils]: Spent 785.00 ms on a formula simplification that was a NOOP. DAG size: 1176 [2019-10-07 14:40:15,927 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 579 [2019-10-07 14:40:16,718 WARN L191 SmtUtils]: Spent 789.00 ms on a formula simplification that was a NOOP. DAG size: 1176 [2019-10-07 14:40:17,507 WARN L191 SmtUtils]: Spent 785.00 ms on a formula simplification that was a NOOP. DAG size: 1178 [2019-10-07 14:40:18,295 WARN L191 SmtUtils]: Spent 785.00 ms on a formula simplification that was a NOOP. DAG size: 1178 [2019-10-07 14:40:18,489 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 579 [2019-10-07 14:40:19,289 WARN L191 SmtUtils]: Spent 797.00 ms on a formula simplification that was a NOOP. DAG size: 1178 [2019-10-07 14:40:20,757 WARN L191 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 1171 DAG size of output: 1169 [2019-10-07 14:40:21,539 WARN L191 SmtUtils]: Spent 778.00 ms on a formula simplification that was a NOOP. DAG size: 1169 [2019-10-07 14:40:21,732 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 14:40:22,512 WARN L191 SmtUtils]: Spent 777.00 ms on a formula simplification that was a NOOP. DAG size: 1169 [2019-10-07 14:40:24,422 WARN L191 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 1171 DAG size of output: 1169 [2019-10-07 14:40:25,214 WARN L191 SmtUtils]: Spent 788.00 ms on a formula simplification that was a NOOP. DAG size: 1169 [2019-10-07 14:40:25,412 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 14:40:26,195 WARN L191 SmtUtils]: Spent 781.00 ms on a formula simplification that was a NOOP. DAG size: 1169 [2019-10-07 14:40:26,984 WARN L191 SmtUtils]: Spent 786.00 ms on a formula simplification that was a NOOP. DAG size: 1169 [2019-10-07 14:40:27,759 WARN L191 SmtUtils]: Spent 771.00 ms on a formula simplification that was a NOOP. DAG size: 1169 [2019-10-07 14:40:27,953 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 14:40:28,736 WARN L191 SmtUtils]: Spent 781.00 ms on a formula simplification that was a NOOP. DAG size: 1169 [2019-10-07 14:40:31,093 WARN L191 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 1171 DAG size of output: 1169 [2019-10-07 14:40:31,876 WARN L191 SmtUtils]: Spent 779.00 ms on a formula simplification that was a NOOP. DAG size: 1169 [2019-10-07 14:40:32,072 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 14:40:32,848 WARN L191 SmtUtils]: Spent 773.00 ms on a formula simplification that was a NOOP. DAG size: 1169 [2019-10-07 14:40:34,260 WARN L191 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 1171 DAG size of output: 1169 [2019-10-07 14:40:35,042 WARN L191 SmtUtils]: Spent 778.00 ms on a formula simplification that was a NOOP. DAG size: 1169 [2019-10-07 14:40:35,238 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 14:40:36,009 WARN L191 SmtUtils]: Spent 770.00 ms on a formula simplification that was a NOOP. DAG size: 1169 [2019-10-07 14:40:36,787 WARN L191 SmtUtils]: Spent 775.00 ms on a formula simplification that was a NOOP. DAG size: 1169 [2019-10-07 14:40:37,564 WARN L191 SmtUtils]: Spent 773.00 ms on a formula simplification that was a NOOP. DAG size: 1169 [2019-10-07 14:40:37,764 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 576 [2019-10-07 14:40:38,539 WARN L191 SmtUtils]: Spent 773.00 ms on a formula simplification that was a NOOP. DAG size: 1169 [2019-10-07 14:40:39,969 WARN L191 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 1175 DAG size of output: 1171 [2019-10-07 14:40:40,749 WARN L191 SmtUtils]: Spent 776.00 ms on a formula simplification that was a NOOP. DAG size: 1171 [2019-10-07 14:40:40,951 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 579 [2019-10-07 14:40:41,727 WARN L191 SmtUtils]: Spent 774.00 ms on a formula simplification that was a NOOP. DAG size: 1173 [2019-10-07 14:40:42,521 WARN L191 SmtUtils]: Spent 780.00 ms on a formula simplification that was a NOOP. DAG size: 1173 [2019-10-07 14:40:43,302 WARN L191 SmtUtils]: Spent 778.00 ms on a formula simplification that was a NOOP. DAG size: 1173 [2019-10-07 14:40:43,501 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 579 [2019-10-07 14:40:44,277 WARN L191 SmtUtils]: Spent 774.00 ms on a formula simplification that was a NOOP. DAG size: 1173 [2019-10-07 14:40:45,678 WARN L191 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 1175 DAG size of output: 1171 [2019-10-07 14:40:46,450 WARN L191 SmtUtils]: Spent 768.00 ms on a formula simplification that was a NOOP. DAG size: 1171 [2019-10-07 14:40:46,642 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 579 [2019-10-07 14:40:47,424 WARN L191 SmtUtils]: Spent 781.00 ms on a formula simplification that was a NOOP. DAG size: 1173 [2019-10-07 14:40:48,206 WARN L191 SmtUtils]: Spent 775.00 ms on a formula simplification that was a NOOP. DAG size: 1176 [2019-10-07 14:40:49,005 WARN L191 SmtUtils]: Spent 795.00 ms on a formula simplification that was a NOOP. DAG size: 1176 [2019-10-07 14:40:49,203 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 579 [2019-10-07 14:40:50,002 WARN L191 SmtUtils]: Spent 797.00 ms on a formula simplification that was a NOOP. DAG size: 1176 [2019-10-07 14:40:50,791 WARN L191 SmtUtils]: Spent 785.00 ms on a formula simplification that was a NOOP. DAG size: 1178 [2019-10-07 14:40:51,570 WARN L191 SmtUtils]: Spent 776.00 ms on a formula simplification that was a NOOP. DAG size: 1178 [2019-10-07 14:40:51,769 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 579 [2019-10-07 14:40:52,558 WARN L191 SmtUtils]: Spent 788.00 ms on a formula simplification that was a NOOP. DAG size: 1178 [2019-10-07 14:40:52,823 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:40:52,824 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.generateProof(TraceAbstractionRefinementEngine.java:177) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:133) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε at de.uni_freiburg.informatik.ultimate.lib.sifa.PriorityWorklist.add(PriorityWorklist.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.lambda$2(DagInterpreter.java:135) at java.lang.Iterable.forEach(Iterable.java:75) at java.util.Collections$UnmodifiableCollection.forEach(Collections.java:1080) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:135) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:139) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:287) ... 21 more [2019-10-07 14:40:52,831 INFO L168 Benchmark]: Toolchain (without parser) took 148673.45 ms. Allocated memory was 144.2 MB in the beginning and 563.1 MB in the end (delta: 418.9 MB). Free memory was 99.7 MB in the beginning and 143.1 MB in the end (delta: -43.4 MB). Peak memory consumption was 375.5 MB. Max. memory is 7.1 GB. [2019-10-07 14:40:52,833 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 144.2 MB. Free memory was 120.6 MB in the beginning and 120.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-07 14:40:52,834 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1162.30 ms. Allocated memory was 144.2 MB in the beginning and 202.4 MB in the end (delta: 58.2 MB). Free memory was 99.3 MB in the beginning and 136.8 MB in the end (delta: -37.5 MB). Peak memory consumption was 29.3 MB. Max. memory is 7.1 GB. [2019-10-07 14:40:52,835 INFO L168 Benchmark]: Boogie Preprocessor took 249.54 ms. Allocated memory is still 202.4 MB. Free memory was 136.8 MB in the beginning and 127.6 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-10-07 14:40:52,840 INFO L168 Benchmark]: RCFGBuilder took 4546.17 ms. Allocated memory was 202.4 MB in the beginning and 298.3 MB in the end (delta: 95.9 MB). Free memory was 127.6 MB in the beginning and 107.4 MB in the end (delta: 20.2 MB). Peak memory consumption was 116.1 MB. Max. memory is 7.1 GB. [2019-10-07 14:40:52,841 INFO L168 Benchmark]: TraceAbstraction took 142711.17 ms. Allocated memory was 298.3 MB in the beginning and 563.1 MB in the end (delta: 264.8 MB). Free memory was 104.2 MB in the beginning and 143.1 MB in the end (delta: -38.9 MB). Peak memory consumption was 225.9 MB. Max. memory is 7.1 GB. [2019-10-07 14:40:52,845 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 144.2 MB. Free memory was 120.6 MB in the beginning and 120.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1162.30 ms. Allocated memory was 144.2 MB in the beginning and 202.4 MB in the end (delta: 58.2 MB). Free memory was 99.3 MB in the beginning and 136.8 MB in the end (delta: -37.5 MB). Peak memory consumption was 29.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 249.54 ms. Allocated memory is still 202.4 MB. Free memory was 136.8 MB in the beginning and 127.6 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4546.17 ms. Allocated memory was 202.4 MB in the beginning and 298.3 MB in the end (delta: 95.9 MB). Free memory was 127.6 MB in the beginning and 107.4 MB in the end (delta: 20.2 MB). Peak memory consumption was 116.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 142711.17 ms. Allocated memory was 298.3 MB in the beginning and 563.1 MB in the end (delta: 264.8 MB). Free memory was 104.2 MB in the beginning and 143.1 MB in the end (delta: -38.9 MB). Peak memory consumption was 225.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...