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_spec3_product31.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 14:54:13,235 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 14:54:13,237 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 14:54:13,252 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 14:54:13,253 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 14:54:13,255 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 14:54:13,257 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 14:54:13,266 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 14:54:13,271 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 14:54:13,273 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 14:54:13,275 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 14:54:13,276 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 14:54:13,276 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 14:54:13,278 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 14:54:13,280 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 14:54:13,281 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 14:54:13,282 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 14:54:13,283 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 14:54:13,285 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 14:54:13,289 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 14:54:13,293 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 14:54:13,296 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 14:54:13,298 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 14:54:13,299 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 14:54:13,301 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 14:54:13,301 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 14:54:13,302 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 14:54:13,303 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 14:54:13,304 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 14:54:13,305 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 14:54:13,305 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 14:54:13,307 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 14:54:13,308 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 14:54:13,308 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 14:54:13,310 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 14:54:13,310 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 14:54:13,311 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 14:54:13,311 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 14:54:13,311 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 14:54:13,312 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 14:54:13,313 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 14:54:13,314 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 14:54:13,338 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 14:54:13,338 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 14:54:13,340 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 14:54:13,340 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 14:54:13,340 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 14:54:13,340 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 14:54:13,340 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 14:54:13,341 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 14:54:13,341 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 14:54:13,341 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 14:54:13,341 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 14:54:13,341 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 14:54:13,342 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 14:54:13,342 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 14:54:13,342 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 14:54:13,342 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 14:54:13,342 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 14:54:13,342 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 14:54:13,343 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 14:54:13,343 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 14:54:13,343 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 14:54:13,343 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 14:54:13,343 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 14:54:13,344 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 14:54:13,344 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 14:54:13,344 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 14:54:13,344 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 14:54:13,344 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 14:54:13,345 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 14:54:13,626 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 14:54:13,641 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 14:54:13,644 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 14:54:13,646 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 14:54:13,646 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 14:54:13,647 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec3_product31.cil.c [2019-10-07 14:54:13,708 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb88d028f/04ff79f3a43a4ecbb79d7d9103518188/FLAG04f5a2c03 [2019-10-07 14:54:14,282 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 14:54:14,284 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec3_product31.cil.c [2019-10-07 14:54:14,312 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb88d028f/04ff79f3a43a4ecbb79d7d9103518188/FLAG04f5a2c03 [2019-10-07 14:54:14,564 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb88d028f/04ff79f3a43a4ecbb79d7d9103518188 [2019-10-07 14:54:14,573 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 14:54:14,574 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 14:54:14,575 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 14:54:14,576 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 14:54:14,579 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 14:54:14,580 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:54:14" (1/1) ... [2019-10-07 14:54:14,583 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@337b8df9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:54:14, skipping insertion in model container [2019-10-07 14:54:14,583 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:54:14" (1/1) ... [2019-10-07 14:54:14,591 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 14:54:14,662 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 14:54:15,464 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:54:15,488 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 14:54:15,674 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:54:15,807 INFO L192 MainTranslator]: Completed translation [2019-10-07 14:54:15,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:54:15 WrapperNode [2019-10-07 14:54:15,808 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 14:54:15,809 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 14:54:15,809 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 14:54:15,809 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 14:54:15,824 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:54:15" (1/1) ... [2019-10-07 14:54:15,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:54:15" (1/1) ... [2019-10-07 14:54:15,891 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:54:15" (1/1) ... [2019-10-07 14:54:15,893 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:54:15" (1/1) ... [2019-10-07 14:54:15,962 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:54:15" (1/1) ... [2019-10-07 14:54:15,983 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:54:15" (1/1) ... [2019-10-07 14:54:15,997 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:54:15" (1/1) ... [2019-10-07 14:54:16,014 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 14:54:16,015 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 14:54:16,015 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 14:54:16,015 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 14:54:16,016 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:54:15" (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 14:54:16,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 14:54:16,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 14:54:16,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 14:54:16,092 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-07 14:54:16,092 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-07 14:54:16,093 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-07 14:54:16,094 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-07 14:54:16,094 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-07 14:54:16,095 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-07 14:54:16,095 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-07 14:54:16,095 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-07 14:54:16,096 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-07 14:54:16,096 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-07 14:54:16,096 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-07 14:54:16,097 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-07 14:54:16,097 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-07 14:54:16,099 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-07 14:54:16,099 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-07 14:54:16,100 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-07 14:54:16,100 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-07 14:54:16,100 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-07 14:54:16,100 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-07 14:54:16,100 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-07 14:54:16,101 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-07 14:54:16,101 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-07 14:54:16,101 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-07 14:54:16,101 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-07 14:54:16,101 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-07 14:54:16,101 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-07 14:54:16,101 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-07 14:54:16,102 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-07 14:54:16,102 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-07 14:54:16,102 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-07 14:54:16,102 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-07 14:54:16,103 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-07 14:54:16,103 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-07 14:54:16,103 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-07 14:54:16,103 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-07 14:54:16,103 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-07 14:54:16,103 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-07 14:54:16,103 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 14:54:16,104 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 14:54:16,104 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-07 14:54:16,104 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-07 14:54:16,104 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-07 14:54:16,104 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-07 14:54:16,104 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-07 14:54:16,106 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-07 14:54:16,106 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-07 14:54:16,106 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-07 14:54:16,106 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-07 14:54:16,106 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-07 14:54:16,107 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 14:54:16,107 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 14:54:16,107 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 14:54:16,107 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 14:54:16,107 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 14:54:16,108 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 14:54:16,108 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 14:54:16,108 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 14:54:16,109 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 14:54:16,109 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 14:54:16,109 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 14:54:16,109 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 14:54:16,109 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-07 14:54:16,110 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-07 14:54:16,110 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2019-10-07 14:54:16,110 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-07 14:54:16,110 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-07 14:54:16,110 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-07 14:54:16,110 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-07 14:54:16,111 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-07 14:54:16,111 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-07 14:54:16,112 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-07 14:54:16,112 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-07 14:54:16,112 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-07 14:54:16,113 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-07 14:54:16,113 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-07 14:54:16,113 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-07 14:54:16,113 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-07 14:54:16,114 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-07 14:54:16,115 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-07 14:54:16,115 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-07 14:54:16,115 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-07 14:54:16,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__1 [2019-10-07 14:54:16,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__2 [2019-10-07 14:54:16,115 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-07 14:54:16,116 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-07 14:54:16,116 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-07 14:54:16,117 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-07 14:54:16,117 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-07 14:54:16,117 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-07 14:54:16,117 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-07 14:54:16,117 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-07 14:54:16,117 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-07 14:54:16,117 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-07 14:54:16,118 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-07 14:54:16,118 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-07 14:54:16,118 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-07 14:54:16,118 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-07 14:54:16,118 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-07 14:54:16,118 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-07 14:54:16,119 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-07 14:54:16,119 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-07 14:54:16,119 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-07 14:54:16,119 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-07 14:54:16,119 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-07 14:54:16,119 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-07 14:54:16,119 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Encrypt [2019-10-07 14:54:16,120 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-10-07 14:54:16,120 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-07 14:54:16,120 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-07 14:54:16,120 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-07 14:54:16,120 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-07 14:54:16,120 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-07 14:54:16,121 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-07 14:54:16,121 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 14:54:16,121 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 14:54:16,121 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-07 14:54:16,122 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-07 14:54:16,122 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-07 14:54:16,122 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-07 14:54:16,122 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-07 14:54:16,122 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-07 14:54:16,124 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-07 14:54:16,124 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-07 14:54:16,124 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-07 14:54:16,124 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-07 14:54:16,124 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-07 14:54:16,124 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-07 14:54:16,125 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-07 14:54:16,125 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-07 14:54:16,125 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-07 14:54:16,126 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-07 14:54:16,129 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-07 14:54:16,129 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-07 14:54:16,130 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-07 14:54:16,130 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-07 14:54:16,130 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-07 14:54:16,131 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-07 14:54:16,131 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-07 14:54:16,131 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-07 14:54:16,131 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-07 14:54:16,132 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-07 14:54:16,139 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-07 14:54:16,139 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-07 14:54:16,140 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-07 14:54:16,140 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 14:54:16,140 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-07 14:54:16,140 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 14:54:16,140 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 14:54:16,140 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 14:54:16,140 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-07 14:54:16,140 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-07 14:54:16,141 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-07 14:54:16,141 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-07 14:54:16,141 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-07 14:54:16,141 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-07 14:54:16,141 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-07 14:54:16,141 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-07 14:54:16,141 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-07 14:54:16,142 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-07 14:54:16,142 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-07 14:54:16,142 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 14:54:16,142 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 14:54:16,142 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 14:54:16,142 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-07 14:54:16,142 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-07 14:54:16,142 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-07 14:54:16,143 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-07 14:54:16,143 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-07 14:54:16,143 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-07 14:54:16,143 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-07 14:54:16,143 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-07 14:54:16,143 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-07 14:54:16,143 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-07 14:54:16,143 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-07 14:54:16,143 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-07 14:54:16,144 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-07 14:54:16,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 14:54:16,144 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 14:54:16,144 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 14:54:16,144 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 14:54:16,144 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 14:54:16,144 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 14:54:16,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 14:54:16,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 14:54:16,145 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 14:54:16,145 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 14:54:16,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 14:54:16,146 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 14:54:16,146 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 14:54:16,146 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 14:54:16,146 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 14:54:16,146 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 14:54:16,146 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 14:54:16,147 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 14:54:16,147 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 14:54:16,147 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-07 14:54:16,147 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-07 14:54:16,148 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-07 14:54:16,148 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-07 14:54:16,148 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-07 14:54:16,148 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-07 14:54:16,148 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-07 14:54:16,148 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-07 14:54:16,149 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-07 14:54:16,149 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-07 14:54:16,149 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-07 14:54:16,149 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-07 14:54:16,149 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-07 14:54:16,149 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-07 14:54:16,150 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-07 14:54:16,150 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-07 14:54:16,150 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-07 14:54:16,150 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-07 14:54:16,150 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-07 14:54:16,150 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-07 14:54:16,151 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-07 14:54:16,151 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-07 14:54:16,151 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-07 14:54:16,151 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-07 14:54:16,151 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-07 14:54:16,151 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__1 [2019-10-07 14:54:16,152 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-07 14:54:16,152 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2019-10-07 14:54:16,152 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-07 14:54:16,152 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-07 14:54:16,152 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-07 14:54:16,152 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__2 [2019-10-07 14:54:16,153 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-07 14:54:16,153 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-07 14:54:16,153 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-07 14:54:16,153 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-07 14:54:16,153 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-07 14:54:16,153 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-07 14:54:16,154 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-07 14:54:16,154 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-07 14:54:16,154 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-07 14:54:16,154 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-07 14:54:16,154 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Encrypt [2019-10-07 14:54:16,154 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-10-07 14:54:16,155 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-07 14:54:16,155 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-07 14:54:16,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 14:54:16,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 14:54:16,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 14:54:20,772 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 14:54:20,772 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-07 14:54:20,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:54:20 BoogieIcfgContainer [2019-10-07 14:54:20,774 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 14:54:20,775 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 14:54:20,776 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 14:54:20,779 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 14:54:20,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 02:54:14" (1/3) ... [2019-10-07 14:54:20,780 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@319b5219 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:54:20, skipping insertion in model container [2019-10-07 14:54:20,780 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:54:15" (2/3) ... [2019-10-07 14:54:20,781 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@319b5219 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:54:20, skipping insertion in model container [2019-10-07 14:54:20,781 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:54:20" (3/3) ... [2019-10-07 14:54:20,782 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec3_product31.cil.c [2019-10-07 14:54:20,792 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 14:54:20,802 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 14:54:20,813 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 14:54:20,843 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 14:54:20,843 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 14:54:20,843 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 14:54:20,843 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 14:54:20,843 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 14:54:20,843 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 14:54:20,843 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 14:54:20,844 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 14:54:20,871 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states. [2019-10-07 14:54:20,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2019-10-07 14:54:20,889 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:54:20,890 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] [2019-10-07 14:54:20,892 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:54:20,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:54:20,898 INFO L82 PathProgramCache]: Analyzing trace with hash 693826238, now seen corresponding path program 1 times [2019-10-07 14:54:20,907 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:54:20,907 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:54:20,908 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:54:20,908 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:54:20,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:54:21,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:54:21,527 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-07 14:54:21,527 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:54:21,528 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:54:21,528 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 14:54:21,535 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 14:54:21,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 14:54:21,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 14:54:21,552 INFO L87 Difference]: Start difference. First operand 421 states. Second operand 2 states. [2019-10-07 14:54:21,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:54:21,624 INFO L93 Difference]: Finished difference Result 650 states and 779 transitions. [2019-10-07 14:54:21,624 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 14:54:21,626 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 152 [2019-10-07 14:54:21,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:54:21,652 INFO L225 Difference]: With dead ends: 650 [2019-10-07 14:54:21,652 INFO L226 Difference]: Without dead ends: 400 [2019-10-07 14:54:21,663 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 14:54:21,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2019-10-07 14:54:21,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 400. [2019-10-07 14:54:21,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 400 states. [2019-10-07 14:54:21,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 475 transitions. [2019-10-07 14:54:21,757 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 475 transitions. Word has length 152 [2019-10-07 14:54:21,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:54:21,760 INFO L462 AbstractCegarLoop]: Abstraction has 400 states and 475 transitions. [2019-10-07 14:54:21,760 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 14:54:21,761 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 475 transitions. [2019-10-07 14:54:21,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-10-07 14:54:21,774 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:54:21,774 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] [2019-10-07 14:54:21,774 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:54:21,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:54:21,775 INFO L82 PathProgramCache]: Analyzing trace with hash 733417066, now seen corresponding path program 1 times [2019-10-07 14:54:21,775 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:54:21,775 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:54:21,776 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:54:21,776 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:54:21,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:54:21,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:54:22,144 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-07 14:54:22,145 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:54:22,145 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:54:22,145 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:54:22,148 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:54:22,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:54:22,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:54:22,148 INFO L87 Difference]: Start difference. First operand 400 states and 475 transitions. Second operand 3 states. [2019-10-07 14:54:22,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:54:22,217 INFO L93 Difference]: Finished difference Result 635 states and 745 transitions. [2019-10-07 14:54:22,217 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:54:22,217 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2019-10-07 14:54:22,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:54:22,223 INFO L225 Difference]: With dead ends: 635 [2019-10-07 14:54:22,224 INFO L226 Difference]: Without dead ends: 402 [2019-10-07 14:54:22,230 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 14:54:22,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2019-10-07 14:54:22,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 402. [2019-10-07 14:54:22,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 402 states. [2019-10-07 14:54:22,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 477 transitions. [2019-10-07 14:54:22,266 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 477 transitions. Word has length 153 [2019-10-07 14:54:22,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:54:22,266 INFO L462 AbstractCegarLoop]: Abstraction has 402 states and 477 transitions. [2019-10-07 14:54:22,266 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:54:22,267 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 477 transitions. [2019-10-07 14:54:22,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2019-10-07 14:54:22,270 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:54:22,270 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:54:22,270 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:54:22,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:54:22,271 INFO L82 PathProgramCache]: Analyzing trace with hash 1916025706, now seen corresponding path program 1 times [2019-10-07 14:54:22,271 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:54:22,271 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:54:22,271 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:54:22,271 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:54:22,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:54:22,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:54:22,424 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-07 14:54:22,425 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:54:22,425 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:54:22,425 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:54:22,426 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:54:22,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:54:22,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:54:22,427 INFO L87 Difference]: Start difference. First operand 402 states and 477 transitions. Second operand 3 states. [2019-10-07 14:54:22,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:54:22,463 INFO L93 Difference]: Finished difference Result 786 states and 961 transitions. [2019-10-07 14:54:22,463 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:54:22,463 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 158 [2019-10-07 14:54:22,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:54:22,468 INFO L225 Difference]: With dead ends: 786 [2019-10-07 14:54:22,468 INFO L226 Difference]: Without dead ends: 442 [2019-10-07 14:54:22,470 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 14:54:22,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2019-10-07 14:54:22,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 441. [2019-10-07 14:54:22,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2019-10-07 14:54:22,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 545 transitions. [2019-10-07 14:54:22,511 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 545 transitions. Word has length 158 [2019-10-07 14:54:22,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:54:22,512 INFO L462 AbstractCegarLoop]: Abstraction has 441 states and 545 transitions. [2019-10-07 14:54:22,512 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:54:22,512 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 545 transitions. [2019-10-07 14:54:22,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-10-07 14:54:22,523 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:54:22,524 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:54:22,524 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:54:22,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:54:22,525 INFO L82 PathProgramCache]: Analyzing trace with hash -1761393649, now seen corresponding path program 1 times [2019-10-07 14:54:22,525 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:54:22,525 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:54:22,525 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:54:22,526 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:54:22,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:54:22,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:54:23,434 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-10-07 14:54:23,434 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:54:23,434 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:54:23,435 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25 [2019-10-07 14:54:23,436 INFO L442 AbstractCegarLoop]: Interpolant automaton has 25 states [2019-10-07 14:54:23,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2019-10-07 14:54:23,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=538, Unknown=0, NotChecked=0, Total=600 [2019-10-07 14:54:23,438 INFO L87 Difference]: Start difference. First operand 441 states and 545 transitions. Second operand 25 states. [2019-10-07 14:54:37,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:54:37,711 INFO L93 Difference]: Finished difference Result 1249 states and 1482 transitions. [2019-10-07 14:54:37,711 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2019-10-07 14:54:37,712 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 159 [2019-10-07 14:54:37,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:54:37,720 INFO L225 Difference]: With dead ends: 1249 [2019-10-07 14:54:37,721 INFO L226 Difference]: Without dead ends: 909 [2019-10-07 14:54:37,725 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 681 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=381, Invalid=2811, Unknown=0, NotChecked=0, Total=3192 [2019-10-07 14:54:37,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 909 states. [2019-10-07 14:54:37,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 909 to 899. [2019-10-07 14:54:37,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 899 states. [2019-10-07 14:54:37,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 899 states and 1063 transitions. [2019-10-07 14:54:37,814 INFO L78 Accepts]: Start accepts. Automaton has 899 states and 1063 transitions. Word has length 159 [2019-10-07 14:54:37,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:54:37,817 INFO L462 AbstractCegarLoop]: Abstraction has 899 states and 1063 transitions. [2019-10-07 14:54:37,817 INFO L463 AbstractCegarLoop]: Interpolant automaton has 25 states. [2019-10-07 14:54:37,817 INFO L276 IsEmpty]: Start isEmpty. Operand 899 states and 1063 transitions. [2019-10-07 14:54:37,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2019-10-07 14:54:37,824 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:54:37,824 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:54:37,824 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:54:37,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:54:37,825 INFO L82 PathProgramCache]: Analyzing trace with hash 415254010, now seen corresponding path program 1 times [2019-10-07 14:54:37,825 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:54:37,825 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:54:37,825 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:54:37,825 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:54:37,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:54:37,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:54:39,149 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-07 14:54:39,149 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:54:39,150 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 14:54:39,150 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 14:54:39,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:54:39,718 INFO L256 TraceCheckSpWp]: Trace formula consists of 2850 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-07 14:54:39,740 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 14:54:39,878 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-07 14:54:39,879 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 14:54:40,140 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-07 14:54:40,140 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 14:54:40,172 INFO L162 IcfgInterpreter]: Started Sifa with 148 locations of interest [2019-10-07 14:54:40,173 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 14:54:40,181 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 14:54:40,198 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 14:54:40,199 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 14:56:01,982 WARN L191 SmtUtils]: Spent 441.00 ms on a formula simplification that was a NOOP. DAG size: 711 [2019-10-07 14:56:07,020 WARN L191 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 361 DAG size of output: 293 [2019-10-07 14:56:07,509 WARN L191 SmtUtils]: Spent 479.00 ms on a formula simplification that was a NOOP. DAG size: 764 [2019-10-07 14:56:08,005 WARN L191 SmtUtils]: Spent 489.00 ms on a formula simplification that was a NOOP. DAG size: 764 [2019-10-07 14:56:08,554 WARN L191 SmtUtils]: Spent 544.00 ms on a formula simplification that was a NOOP. DAG size: 764 [2019-10-07 14:56:08,809 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 457 [2019-10-07 14:56:09,610 WARN L191 SmtUtils]: Spent 799.00 ms on a formula simplification that was a NOOP. DAG size: 1067 [2019-10-07 14:56:10,357 WARN L191 SmtUtils]: Spent 726.00 ms on a formula simplification that was a NOOP. DAG size: 1067 [2019-10-07 14:56:11,109 WARN L191 SmtUtils]: Spent 747.00 ms on a formula simplification that was a NOOP. DAG size: 1067 [2019-10-07 14:56:11,267 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 457 [2019-10-07 14:56:11,993 WARN L191 SmtUtils]: Spent 723.00 ms on a formula simplification that was a NOOP. DAG size: 1067 [2019-10-07 14:56:13,391 WARN L191 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 1069 DAG size of output: 1067 [2019-10-07 14:56:14,143 WARN L191 SmtUtils]: Spent 747.00 ms on a formula simplification that was a NOOP. DAG size: 1067 [2019-10-07 14:56:14,295 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 457 [2019-10-07 14:56:14,970 WARN L191 SmtUtils]: Spent 673.00 ms on a formula simplification that was a NOOP. DAG size: 1067 [2019-10-07 14:56:15,642 WARN L191 SmtUtils]: Spent 668.00 ms on a formula simplification that was a NOOP. DAG size: 1067 [2019-10-07 14:56:16,329 WARN L191 SmtUtils]: Spent 681.00 ms on a formula simplification that was a NOOP. DAG size: 1067 [2019-10-07 14:56:16,464 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 457 [2019-10-07 14:56:17,138 WARN L191 SmtUtils]: Spent 672.00 ms on a formula simplification that was a NOOP. DAG size: 1067 [2019-10-07 14:56:17,165 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 574 for LOIs [2019-10-07 14:56:17,577 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 675 [2019-10-07 14:56:17,688 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 675 [2019-10-07 14:56:17,819 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 457 [2019-10-07 14:56:18,344 WARN L191 SmtUtils]: Spent 523.00 ms on a formula simplification that was a NOOP. DAG size: 978 [2019-10-07 14:56:18,346 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1112 for LOIs [2019-10-07 14:56:19,008 WARN L191 SmtUtils]: Spent 661.00 ms on a formula simplification that was a NOOP. DAG size: 1112 [2019-10-07 14:56:19,687 WARN L191 SmtUtils]: Spent 674.00 ms on a formula simplification that was a NOOP. DAG size: 1112 [2019-10-07 14:56:19,906 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 593 [2019-10-07 14:56:20,864 WARN L191 SmtUtils]: Spent 955.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 14:56:21,543 WARN L191 SmtUtils]: Spent 659.00 ms on a formula simplification that was a NOOP. DAG size: 1112 [2019-10-07 14:56:22,225 WARN L191 SmtUtils]: Spent 678.00 ms on a formula simplification that was a NOOP. DAG size: 1112 [2019-10-07 14:56:22,444 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 593 [2019-10-07 14:56:23,389 WARN L191 SmtUtils]: Spent 943.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 14:56:24,099 WARN L191 SmtUtils]: Spent 679.00 ms on a formula simplification that was a NOOP. DAG size: 1112 [2019-10-07 14:56:24,764 WARN L191 SmtUtils]: Spent 661.00 ms on a formula simplification that was a NOOP. DAG size: 1112 [2019-10-07 14:56:25,148 WARN L191 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 593 [2019-10-07 14:56:26,090 WARN L191 SmtUtils]: Spent 940.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 14:56:27,213 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 1249 DAG size of output: 1112 [2019-10-07 14:56:27,885 WARN L191 SmtUtils]: Spent 668.00 ms on a formula simplification that was a NOOP. DAG size: 1112 [2019-10-07 14:56:28,132 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 593 [2019-10-07 14:56:29,056 WARN L191 SmtUtils]: Spent 921.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 14:56:29,748 WARN L191 SmtUtils]: Spent 677.00 ms on a formula simplification that was a NOOP. DAG size: 1112 [2019-10-07 14:56:30,428 WARN L191 SmtUtils]: Spent 676.00 ms on a formula simplification that was a NOOP. DAG size: 1112 [2019-10-07 14:56:30,711 WARN L191 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 593 [2019-10-07 14:56:31,641 WARN L191 SmtUtils]: Spent 927.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 14:56:32,326 WARN L191 SmtUtils]: Spent 682.00 ms on a formula simplification that was a NOOP. DAG size: 1112 [2019-10-07 14:56:32,992 WARN L191 SmtUtils]: Spent 662.00 ms on a formula simplification that was a NOOP. DAG size: 1112 [2019-10-07 14:56:33,204 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 593 [2019-10-07 14:56:34,157 WARN L191 SmtUtils]: Spent 950.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 14:56:34,841 WARN L191 SmtUtils]: Spent 681.00 ms on a formula simplification that was a NOOP. DAG size: 1112 [2019-10-07 14:56:35,510 WARN L191 SmtUtils]: Spent 666.00 ms on a formula simplification that was a NOOP. DAG size: 1112 [2019-10-07 14:56:35,726 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 593 [2019-10-07 14:56:36,661 WARN L191 SmtUtils]: Spent 932.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 14:56:37,335 WARN L191 SmtUtils]: Spent 671.00 ms on a formula simplification that was a NOOP. DAG size: 1112 [2019-10-07 14:56:38,008 WARN L191 SmtUtils]: Spent 668.00 ms on a formula simplification that was a NOOP. DAG size: 1112 [2019-10-07 14:56:38,221 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 593 [2019-10-07 14:56:39,158 WARN L191 SmtUtils]: Spent 936.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 14:56:39,815 WARN L191 SmtUtils]: Spent 654.00 ms on a formula simplification that was a NOOP. DAG size: 1112 [2019-10-07 14:56:40,480 WARN L191 SmtUtils]: Spent 661.00 ms on a formula simplification that was a NOOP. DAG size: 1112 [2019-10-07 14:56:40,694 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 593 [2019-10-07 14:56:41,635 WARN L191 SmtUtils]: Spent 939.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 14:56:42,305 WARN L191 SmtUtils]: Spent 667.00 ms on a formula simplification that was a NOOP. DAG size: 1112 [2019-10-07 14:56:42,968 WARN L191 SmtUtils]: Spent 659.00 ms on a formula simplification that was a NOOP. DAG size: 1112 [2019-10-07 14:56:43,183 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 593 [2019-10-07 14:56:44,124 WARN L191 SmtUtils]: Spent 939.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 14:56:44,790 WARN L191 SmtUtils]: Spent 662.00 ms on a formula simplification that was a NOOP. DAG size: 1112 [2019-10-07 14:56:45,454 WARN L191 SmtUtils]: Spent 661.00 ms on a formula simplification that was a NOOP. DAG size: 1112 [2019-10-07 14:56:45,667 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 593 [2019-10-07 14:56:46,603 WARN L191 SmtUtils]: Spent 934.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 14:56:47,281 WARN L191 SmtUtils]: Spent 675.00 ms on a formula simplification that was a NOOP. DAG size: 1112 [2019-10-07 14:56:47,940 WARN L191 SmtUtils]: Spent 655.00 ms on a formula simplification that was a NOOP. DAG size: 1112 [2019-10-07 14:56:48,156 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 593 [2019-10-07 14:56:49,092 WARN L191 SmtUtils]: Spent 934.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 14:56:49,758 WARN L191 SmtUtils]: Spent 662.00 ms on a formula simplification that was a NOOP. DAG size: 1112 [2019-10-07 14:56:50,415 WARN L191 SmtUtils]: Spent 654.00 ms on a formula simplification that was a NOOP. DAG size: 1112 [2019-10-07 14:56:50,628 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 593 [2019-10-07 14:56:51,562 WARN L191 SmtUtils]: Spent 932.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 14:56:52,598 WARN L191 SmtUtils]: Spent 977.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 14:56:53,533 WARN L191 SmtUtils]: Spent 931.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 14:56:53,760 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 593 [2019-10-07 14:56:54,693 WARN L191 SmtUtils]: Spent 930.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 14:56:56,445 WARN L191 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 1249 DAG size of output: 1247 [2019-10-07 14:56:57,383 WARN L191 SmtUtils]: Spent 934.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 14:56:57,626 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 593 [2019-10-07 14:56:58,560 WARN L191 SmtUtils]: Spent 932.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 14:56:59,496 WARN L191 SmtUtils]: Spent 933.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 14:57:00,428 WARN L191 SmtUtils]: Spent 928.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 14:57:00,642 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 593 [2019-10-07 14:57:01,583 WARN L191 SmtUtils]: Spent 939.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 14:57:02,574 WARN L191 SmtUtils]: Spent 953.00 ms on a formula simplification that was a NOOP. DAG size: 1249 [2019-10-07 14:57:03,519 WARN L191 SmtUtils]: Spent 940.00 ms on a formula simplification that was a NOOP. DAG size: 1249 [2019-10-07 14:57:03,741 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 596 [2019-10-07 14:57:04,680 WARN L191 SmtUtils]: Spent 936.00 ms on a formula simplification that was a NOOP. DAG size: 1251 [2019-10-07 14:57:06,398 WARN L191 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 1253 DAG size of output: 1249 [2019-10-07 14:57:07,329 WARN L191 SmtUtils]: Spent 927.00 ms on a formula simplification that was a NOOP. DAG size: 1249 [2019-10-07 14:57:07,551 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 596 [2019-10-07 14:57:08,483 WARN L191 SmtUtils]: Spent 930.00 ms on a formula simplification that was a NOOP. DAG size: 1251 [2019-10-07 14:57:09,403 WARN L191 SmtUtils]: Spent 917.00 ms on a formula simplification that was a NOOP. DAG size: 1249 [2019-10-07 14:57:10,334 WARN L191 SmtUtils]: Spent 927.00 ms on a formula simplification that was a NOOP. DAG size: 1249 [2019-10-07 14:57:10,582 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 596 [2019-10-07 14:57:11,520 WARN L191 SmtUtils]: Spent 935.00 ms on a formula simplification that was a NOOP. DAG size: 1251 [2019-10-07 14:57:12,672 WARN L191 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 1249 [2019-10-07 14:57:13,618 WARN L191 SmtUtils]: Spent 943.00 ms on a formula simplification that was a NOOP. DAG size: 1249 [2019-10-07 14:57:13,842 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 596 [2019-10-07 14:57:14,772 WARN L191 SmtUtils]: Spent 927.00 ms on a formula simplification that was a NOOP. DAG size: 1251 [2019-10-07 14:57:15,699 WARN L191 SmtUtils]: Spent 923.00 ms on a formula simplification that was a NOOP. DAG size: 1251 [2019-10-07 14:57:16,626 WARN L191 SmtUtils]: Spent 923.00 ms on a formula simplification that was a NOOP. DAG size: 1251 [2019-10-07 14:57:16,851 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 596 [2019-10-07 14:57:17,785 WARN L191 SmtUtils]: Spent 933.00 ms on a formula simplification that was a NOOP. DAG size: 1253 [2019-10-07 14:57:19,556 WARN L191 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 1249 DAG size of output: 1247 [2019-10-07 14:57:20,490 WARN L191 SmtUtils]: Spent 929.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 14:57:20,713 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 593 [2019-10-07 14:57:21,646 WARN L191 SmtUtils]: Spent 931.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 14:57:23,705 WARN L191 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 1249 DAG size of output: 1247 [2019-10-07 14:57:24,638 WARN L191 SmtUtils]: Spent 929.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 14:57:24,863 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 593 [2019-10-07 14:57:25,796 WARN L191 SmtUtils]: Spent 930.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 14:57:26,733 WARN L191 SmtUtils]: Spent 933.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 14:57:27,662 WARN L191 SmtUtils]: Spent 926.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 14:57:27,876 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 593 [2019-10-07 14:57:28,830 WARN L191 SmtUtils]: Spent 951.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 14:57:30,568 WARN L191 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 1249 DAG size of output: 1247 [2019-10-07 14:57:31,517 WARN L191 SmtUtils]: Spent 945.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 14:57:31,734 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 593 [2019-10-07 14:57:32,675 WARN L191 SmtUtils]: Spent 939.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 14:57:34,406 WARN L191 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 1249 DAG size of output: 1247 [2019-10-07 14:57:35,331 WARN L191 SmtUtils]: Spent 920.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 14:57:35,558 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 593 [2019-10-07 14:57:36,478 WARN L191 SmtUtils]: Spent 918.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 14:57:37,404 WARN L191 SmtUtils]: Spent 923.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 14:57:38,339 WARN L191 SmtUtils]: Spent 930.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 14:57:38,562 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 593 [2019-10-07 14:57:39,493 WARN L191 SmtUtils]: Spent 929.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 14:57:40,455 WARN L191 SmtUtils]: Spent 928.00 ms on a formula simplification that was a NOOP. DAG size: 1251 [2019-10-07 14:57:41,379 WARN L191 SmtUtils]: Spent 920.00 ms on a formula simplification that was a NOOP. DAG size: 1251 [2019-10-07 14:57:41,606 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 596 [2019-10-07 14:57:42,539 WARN L191 SmtUtils]: Spent 930.00 ms on a formula simplification that was a NOOP. DAG size: 1251 [2019-10-07 14:57:44,294 WARN L191 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 1253 DAG size of output: 1249 [2019-10-07 14:57:45,229 WARN L191 SmtUtils]: Spent 931.00 ms on a formula simplification that was a NOOP. DAG size: 1249 [2019-10-07 14:57:45,450 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 596 [2019-10-07 14:57:46,386 WARN L191 SmtUtils]: Spent 933.00 ms on a formula simplification that was a NOOP. DAG size: 1251 [2019-10-07 14:57:48,090 WARN L191 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 1253 DAG size of output: 1249 [2019-10-07 14:57:49,014 WARN L191 SmtUtils]: Spent 920.00 ms on a formula simplification that was a NOOP. DAG size: 1249 [2019-10-07 14:57:49,229 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 596 [2019-10-07 14:57:50,149 WARN L191 SmtUtils]: Spent 918.00 ms on a formula simplification that was a NOOP. DAG size: 1251 [2019-10-07 14:57:51,733 WARN L191 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 1253 DAG size of output: 1249 [2019-10-07 14:57:52,653 WARN L191 SmtUtils]: Spent 916.00 ms on a formula simplification that was a NOOP. DAG size: 1249 [2019-10-07 14:57:52,872 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 596 [2019-10-07 14:57:53,802 WARN L191 SmtUtils]: Spent 928.00 ms on a formula simplification that was a NOOP. DAG size: 1251 [2019-10-07 14:57:55,480 WARN L191 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 1255 DAG size of output: 1251 [2019-10-07 14:57:56,406 WARN L191 SmtUtils]: Spent 923.00 ms on a formula simplification that was a NOOP. DAG size: 1251 [2019-10-07 14:57:56,634 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 596 [2019-10-07 14:57:57,562 WARN L191 SmtUtils]: Spent 925.00 ms on a formula simplification that was a NOOP. DAG size: 1253 [2019-10-07 14:57:57,825 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:57:57,826 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 14:57:57,833 INFO L168 Benchmark]: Toolchain (without parser) took 223258.77 ms. Allocated memory was 138.9 MB in the beginning and 790.6 MB in the end (delta: 651.7 MB). Free memory was 101.1 MB in the beginning and 569.0 MB in the end (delta: -467.8 MB). Peak memory consumption was 183.9 MB. Max. memory is 7.1 GB. [2019-10-07 14:57:57,834 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 138.9 MB. Free memory was 122.2 MB in the beginning and 122.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-07 14:57:57,835 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1232.80 ms. Allocated memory was 138.9 MB in the beginning and 205.5 MB in the end (delta: 66.6 MB). Free memory was 100.7 MB in the beginning and 135.9 MB in the end (delta: -35.2 MB). Peak memory consumption was 36.6 MB. Max. memory is 7.1 GB. [2019-10-07 14:57:57,836 INFO L168 Benchmark]: Boogie Preprocessor took 206.04 ms. Allocated memory is still 205.5 MB. Free memory was 135.9 MB in the beginning and 126.6 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-10-07 14:57:57,836 INFO L168 Benchmark]: RCFGBuilder took 4759.31 ms. Allocated memory was 205.5 MB in the beginning and 288.9 MB in the end (delta: 83.4 MB). Free memory was 126.6 MB in the beginning and 216.0 MB in the end (delta: -89.4 MB). Peak memory consumption was 131.2 MB. Max. memory is 7.1 GB. [2019-10-07 14:57:57,837 INFO L168 Benchmark]: TraceAbstraction took 217056.02 ms. Allocated memory was 288.9 MB in the beginning and 790.6 MB in the end (delta: 501.7 MB). Free memory was 216.0 MB in the beginning and 569.0 MB in the end (delta: -353.0 MB). Peak memory consumption was 148.8 MB. Max. memory is 7.1 GB. [2019-10-07 14:57:57,841 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 138.9 MB. Free memory was 122.2 MB in the beginning and 122.0 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1232.80 ms. Allocated memory was 138.9 MB in the beginning and 205.5 MB in the end (delta: 66.6 MB). Free memory was 100.7 MB in the beginning and 135.9 MB in the end (delta: -35.2 MB). Peak memory consumption was 36.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 206.04 ms. Allocated memory is still 205.5 MB. Free memory was 135.9 MB in the beginning and 126.6 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4759.31 ms. Allocated memory was 205.5 MB in the beginning and 288.9 MB in the end (delta: 83.4 MB). Free memory was 126.6 MB in the beginning and 216.0 MB in the end (delta: -89.4 MB). Peak memory consumption was 131.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 217056.02 ms. Allocated memory was 288.9 MB in the beginning and 790.6 MB in the end (delta: 501.7 MB). Free memory was 216.0 MB in the beginning and 569.0 MB in the end (delta: -353.0 MB). Peak memory consumption was 148.8 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...