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_spec1_product35.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 14:46:50,033 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 14:46:50,035 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 14:46:50,052 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 14:46:50,053 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 14:46:50,055 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 14:46:50,056 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 14:46:50,066 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 14:46:50,071 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 14:46:50,074 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 14:46:50,075 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 14:46:50,077 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 14:46:50,077 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 14:46:50,079 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 14:46:50,081 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 14:46:50,082 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 14:46:50,084 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 14:46:50,085 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 14:46:50,086 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 14:46:50,091 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 14:46:50,095 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 14:46:50,098 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 14:46:50,101 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 14:46:50,101 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 14:46:50,103 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 14:46:50,104 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 14:46:50,104 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 14:46:50,106 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 14:46:50,106 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 14:46:50,107 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 14:46:50,107 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 14:46:50,108 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 14:46:50,109 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 14:46:50,109 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 14:46:50,110 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 14:46:50,110 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 14:46:50,111 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 14:46:50,111 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 14:46:50,111 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 14:46:50,112 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 14:46:50,113 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 14:46:50,114 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 14:46:50,127 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 14:46:50,128 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 14:46:50,129 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 14:46:50,129 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 14:46:50,129 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 14:46:50,130 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 14:46:50,130 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 14:46:50,130 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 14:46:50,130 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 14:46:50,130 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 14:46:50,131 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 14:46:50,131 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 14:46:50,131 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 14:46:50,131 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 14:46:50,131 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 14:46:50,132 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 14:46:50,132 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 14:46:50,132 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 14:46:50,132 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 14:46:50,132 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 14:46:50,133 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 14:46:50,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 14:46:50,133 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 14:46:50,133 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 14:46:50,134 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 14:46:50,134 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 14:46:50,134 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 14:46:50,134 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 14:46:50,134 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 14:46:50,409 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 14:46:50,428 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 14:46:50,432 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 14:46:50,434 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 14:46:50,434 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 14:46:50,435 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec1_product35.cil.c [2019-10-07 14:46:50,509 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8cc74598/b45203d556ba49078d5acf9ae0fd9a56/FLAGef6856280 [2019-10-07 14:46:51,222 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 14:46:51,222 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec1_product35.cil.c [2019-10-07 14:46:51,250 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8cc74598/b45203d556ba49078d5acf9ae0fd9a56/FLAGef6856280 [2019-10-07 14:46:51,374 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8cc74598/b45203d556ba49078d5acf9ae0fd9a56 [2019-10-07 14:46:51,385 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 14:46:51,386 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 14:46:51,387 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 14:46:51,388 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 14:46:51,391 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 14:46:51,392 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:46:51" (1/1) ... [2019-10-07 14:46:51,395 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77a1e17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:46:51, skipping insertion in model container [2019-10-07 14:46:51,396 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:46:51" (1/1) ... [2019-10-07 14:46:51,404 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 14:46:51,493 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 14:46:52,439 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:46:52,466 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 14:46:52,624 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:46:52,760 INFO L192 MainTranslator]: Completed translation [2019-10-07 14:46:52,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:46:52 WrapperNode [2019-10-07 14:46:52,761 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 14:46:52,762 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 14:46:52,762 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 14:46:52,762 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 14:46:52,779 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:46:52" (1/1) ... [2019-10-07 14:46:52,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:46:52" (1/1) ... [2019-10-07 14:46:52,855 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:46:52" (1/1) ... [2019-10-07 14:46:52,856 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:46:52" (1/1) ... [2019-10-07 14:46:52,923 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:46:52" (1/1) ... [2019-10-07 14:46:52,948 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:46:52" (1/1) ... [2019-10-07 14:46:52,978 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:46:52" (1/1) ... [2019-10-07 14:46:53,005 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 14:46:53,008 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 14:46:53,008 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 14:46:53,011 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 14:46:53,015 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:46:52" (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 14:46:53,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 14:46:53,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 14:46:53,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 14:46:53,095 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-07 14:46:53,095 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-07 14:46:53,097 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-07 14:46:53,097 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-07 14:46:53,098 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-07 14:46:53,098 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-07 14:46:53,098 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-07 14:46:53,099 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-07 14:46:53,099 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 14:46:53,100 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 14:46:53,100 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-07 14:46:53,100 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-07 14:46:53,100 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-07 14:46:53,103 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-07 14:46:53,103 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-07 14:46:53,103 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-07 14:46:53,104 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-07 14:46:53,104 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-07 14:46:53,104 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-07 14:46:53,104 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-07 14:46:53,104 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-07 14:46:53,105 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-07 14:46:53,105 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 14:46:53,105 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 14:46:53,105 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 14:46:53,106 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 14:46:53,106 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 14:46:53,106 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 14:46:53,107 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-10-07 14:46:53,107 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-07 14:46:53,107 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-07 14:46:53,107 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-07 14:46:53,107 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-10-07 14:46:53,107 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-07 14:46:53,108 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-07 14:46:53,108 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-10-07 14:46:53,108 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-07 14:46:53,108 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-07 14:46:53,108 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-07 14:46:53,108 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-07 14:46:53,108 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-07 14:46:53,109 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-07 14:46:53,109 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-07 14:46:53,109 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-07 14:46:53,109 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-07 14:46:53,109 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-07 14:46:53,109 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-07 14:46:53,109 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-07 14:46:53,110 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-07 14:46:53,110 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-07 14:46:53,110 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-07 14:46:53,110 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-07 14:46:53,110 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-07 14:46:53,110 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-07 14:46:53,111 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-07 14:46:53,111 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-07 14:46:53,112 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-07 14:46:53,112 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-07 14:46:53,112 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-07 14:46:53,112 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-07 14:46:53,113 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-07 14:46:53,113 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-07 14:46:53,113 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-07 14:46:53,113 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-07 14:46:53,113 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-07 14:46:53,113 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-07 14:46:53,114 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-07 14:46:53,114 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-07 14:46:53,114 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-07 14:46:53,114 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-07 14:46:53,115 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-07 14:46:53,115 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-07 14:46:53,116 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-07 14:46:53,117 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-07 14:46:53,117 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-07 14:46:53,117 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-07 14:46:53,117 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-07 14:46:53,118 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-07 14:46:53,118 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-07 14:46:53,119 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-07 14:46:53,119 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-07 14:46:53,119 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-07 14:46:53,119 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-07 14:46:53,119 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 14:46:53,121 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-07 14:46:53,121 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-10-07 14:46:53,121 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-10-07 14:46:53,121 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-07 14:46:53,121 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-07 14:46:53,121 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-07 14:46:53,122 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-07 14:46:53,122 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-07 14:46:53,122 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 14:46:53,122 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 14:46:53,122 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 14:46:53,123 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 14:46:53,123 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-07 14:46:53,123 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-07 14:46:53,123 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-07 14:46:53,123 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-07 14:46:53,124 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-07 14:46:53,124 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-07 14:46:53,124 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-07 14:46:53,124 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-07 14:46:53,124 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-07 14:46:53,125 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-07 14:46:53,125 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-07 14:46:53,125 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-07 14:46:53,125 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-07 14:46:53,125 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-07 14:46:53,126 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-07 14:46:53,126 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-07 14:46:53,126 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-07 14:46:53,126 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-07 14:46:53,127 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-07 14:46:53,127 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-07 14:46:53,127 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-07 14:46:53,128 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 14:46:53,128 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 14:46:53,128 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 14:46:53,129 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 14:46:53,130 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-07 14:46:53,130 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-07 14:46:53,131 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-07 14:46:53,131 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-07 14:46:53,131 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-07 14:46:53,131 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-07 14:46:53,131 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-07 14:46:53,132 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-07 14:46:53,133 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-07 14:46:53,137 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-07 14:46:53,140 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-07 14:46:53,141 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-07 14:46:53,141 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-07 14:46:53,141 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 14:46:53,142 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 14:46:53,142 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 14:46:53,142 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-07 14:46:53,142 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-07 14:46:53,143 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-07 14:46:53,144 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-07 14:46:53,151 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-07 14:46:53,151 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-07 14:46:53,152 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-07 14:46:53,152 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-07 14:46:53,152 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-07 14:46:53,152 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-07 14:46:53,152 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-07 14:46:53,152 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 14:46:53,153 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 14:46:53,153 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 14:46:53,153 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-07 14:46:53,153 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-07 14:46:53,154 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-07 14:46:53,154 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-07 14:46:53,154 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-07 14:46:53,154 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-07 14:46:53,155 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-07 14:46:53,155 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-07 14:46:53,155 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-07 14:46:53,155 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-07 14:46:53,155 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-07 14:46:53,155 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-07 14:46:53,156 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-07 14:46:53,156 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-07 14:46:53,156 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-07 14:46:53,156 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 14:46:53,156 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 14:46:53,156 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 14:46:53,156 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 14:46:53,157 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 14:46:53,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 14:46:53,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 14:46:53,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 14:46:53,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 14:46:53,157 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 14:46:53,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 14:46:53,158 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 14:46:53,158 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 14:46:53,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 14:46:53,158 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 14:46:53,158 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 14:46:53,158 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 14:46:53,159 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 14:46:53,159 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-07 14:46:53,159 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-10-07 14:46:53,159 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-07 14:46:53,159 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-07 14:46:53,159 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-07 14:46:53,160 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-07 14:46:53,160 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-07 14:46:53,160 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-07 14:46:53,160 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-07 14:46:53,160 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-07 14:46:53,160 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-07 14:46:53,161 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-07 14:46:53,161 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-07 14:46:53,161 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-07 14:46:53,161 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-07 14:46:53,161 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-07 14:46:53,161 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-07 14:46:53,162 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-07 14:46:53,162 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-07 14:46:53,162 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-07 14:46:53,162 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-07 14:46:53,162 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-07 14:46:53,163 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-07 14:46:53,163 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-07 14:46:53,163 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-07 14:46:53,163 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-07 14:46:53,163 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-07 14:46:53,163 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-07 14:46:53,164 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-07 14:46:53,164 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-07 14:46:53,164 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-07 14:46:53,164 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-07 14:46:53,164 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-07 14:46:53,165 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-07 14:46:53,165 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-07 14:46:53,165 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-07 14:46:53,165 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-07 14:46:53,165 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-07 14:46:53,165 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-10-07 14:46:53,166 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-10-07 14:46:53,166 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-07 14:46:53,166 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-07 14:46:53,166 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-07 14:46:53,166 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-07 14:46:53,166 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-07 14:46:53,167 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-07 14:46:53,167 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-07 14:46:53,167 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-07 14:46:53,167 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-07 14:46:53,167 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-07 14:46:53,168 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-07 14:46:53,168 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-07 14:46:53,168 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-07 14:46:53,168 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-07 14:46:53,168 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-07 14:46:53,168 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-07 14:46:53,169 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-07 14:46:53,169 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-10-07 14:46:53,169 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-10-07 14:46:53,169 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-07 14:46:53,169 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 14:46:53,169 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-07 14:46:53,169 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-07 14:46:53,170 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-07 14:46:53,170 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-07 14:46:53,170 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-07 14:46:53,170 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-07 14:46:53,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 14:46:53,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 14:46:53,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 14:46:57,979 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 14:46:57,979 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-07 14:46:57,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:46:57 BoogieIcfgContainer [2019-10-07 14:46:57,981 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 14:46:57,982 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 14:46:57,982 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 14:46:57,986 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 14:46:57,986 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 02:46:51" (1/3) ... [2019-10-07 14:46:57,987 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@420c1156 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:46:57, skipping insertion in model container [2019-10-07 14:46:57,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:46:52" (2/3) ... [2019-10-07 14:46:57,987 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@420c1156 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:46:57, skipping insertion in model container [2019-10-07 14:46:57,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:46:57" (3/3) ... [2019-10-07 14:46:57,990 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec1_product35.cil.c [2019-10-07 14:46:58,001 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 14:46:58,011 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 14:46:58,023 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 14:46:58,054 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 14:46:58,054 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 14:46:58,054 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 14:46:58,054 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 14:46:58,054 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 14:46:58,055 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 14:46:58,055 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 14:46:58,055 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 14:46:58,085 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states. [2019-10-07 14:46:58,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2019-10-07 14:46:58,102 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:46:58,104 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-10-07 14:46:58,106 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:46:58,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:46:58,113 INFO L82 PathProgramCache]: Analyzing trace with hash -1120904784, now seen corresponding path program 1 times [2019-10-07 14:46:58,122 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:46:58,122 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:46:58,122 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:46:58,122 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:46:58,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:46:58,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:46:58,862 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:46:58,863 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:46:58,864 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:46:58,864 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 14:46:58,870 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 14:46:58,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 14:46:58,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 14:46:58,887 INFO L87 Difference]: Start difference. First operand 479 states. Second operand 2 states. [2019-10-07 14:46:58,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:46:58,985 INFO L93 Difference]: Finished difference Result 733 states and 875 transitions. [2019-10-07 14:46:58,986 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 14:46:58,987 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 132 [2019-10-07 14:46:58,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:46:59,007 INFO L225 Difference]: With dead ends: 733 [2019-10-07 14:46:59,008 INFO L226 Difference]: Without dead ends: 452 [2019-10-07 14:46:59,014 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 14:46:59,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 452 states. [2019-10-07 14:46:59,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 452 to 452. [2019-10-07 14:46:59,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 452 states. [2019-10-07 14:46:59,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 535 transitions. [2019-10-07 14:46:59,108 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 535 transitions. Word has length 132 [2019-10-07 14:46:59,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:46:59,111 INFO L462 AbstractCegarLoop]: Abstraction has 452 states and 535 transitions. [2019-10-07 14:46:59,111 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 14:46:59,111 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 535 transitions. [2019-10-07 14:46:59,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-10-07 14:46:59,117 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:46:59,117 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-10-07 14:46:59,118 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:46:59,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:46:59,118 INFO L82 PathProgramCache]: Analyzing trace with hash 1756912078, now seen corresponding path program 1 times [2019-10-07 14:46:59,118 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:46:59,119 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:46:59,119 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:46:59,119 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:46:59,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:46:59,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:46:59,500 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:46:59,501 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:46:59,501 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:46:59,501 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:46:59,503 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:46:59,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:46:59,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:46:59,504 INFO L87 Difference]: Start difference. First operand 452 states and 535 transitions. Second operand 3 states. [2019-10-07 14:46:59,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:46:59,582 INFO L93 Difference]: Finished difference Result 718 states and 843 transitions. [2019-10-07 14:46:59,585 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:46:59,585 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 133 [2019-10-07 14:46:59,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:46:59,591 INFO L225 Difference]: With dead ends: 718 [2019-10-07 14:46:59,591 INFO L226 Difference]: Without dead ends: 454 [2019-10-07 14:46:59,595 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 14:46:59,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2019-10-07 14:46:59,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 454. [2019-10-07 14:46:59,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 454 states. [2019-10-07 14:46:59,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 537 transitions. [2019-10-07 14:46:59,632 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 537 transitions. Word has length 133 [2019-10-07 14:46:59,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:46:59,633 INFO L462 AbstractCegarLoop]: Abstraction has 454 states and 537 transitions. [2019-10-07 14:46:59,633 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:46:59,633 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 537 transitions. [2019-10-07 14:46:59,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-10-07 14:46:59,636 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:46:59,637 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:46:59,637 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:46:59,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:46:59,638 INFO L82 PathProgramCache]: Analyzing trace with hash 1298531413, now seen corresponding path program 1 times [2019-10-07 14:46:59,638 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:46:59,638 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:46:59,638 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:46:59,638 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:46:59,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:46:59,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:46:59,840 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:46:59,841 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:46:59,841 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:46:59,841 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:46:59,842 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:46:59,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:46:59,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:46:59,843 INFO L87 Difference]: Start difference. First operand 454 states and 537 transitions. Second operand 3 states. [2019-10-07 14:46:59,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:46:59,884 INFO L93 Difference]: Finished difference Result 894 states and 1087 transitions. [2019-10-07 14:46:59,885 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:46:59,885 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 145 [2019-10-07 14:46:59,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:46:59,890 INFO L225 Difference]: With dead ends: 894 [2019-10-07 14:46:59,891 INFO L226 Difference]: Without dead ends: 498 [2019-10-07 14:46:59,893 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 14:46:59,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 498 states. [2019-10-07 14:46:59,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 498 to 497. [2019-10-07 14:46:59,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 497 states. [2019-10-07 14:46:59,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 497 states and 611 transitions. [2019-10-07 14:46:59,922 INFO L78 Accepts]: Start accepts. Automaton has 497 states and 611 transitions. Word has length 145 [2019-10-07 14:46:59,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:46:59,924 INFO L462 AbstractCegarLoop]: Abstraction has 497 states and 611 transitions. [2019-10-07 14:46:59,924 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:46:59,925 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 611 transitions. [2019-10-07 14:46:59,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-10-07 14:46:59,932 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:46:59,933 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-10-07 14:46:59,933 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:46:59,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:46:59,933 INFO L82 PathProgramCache]: Analyzing trace with hash 1771811158, now seen corresponding path program 1 times [2019-10-07 14:46:59,934 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:46:59,934 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:46:59,934 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:46:59,934 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:46:59,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:47:00,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:47:01,005 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-07 14:47:01,006 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:47:01,006 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 14:47:01,006 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 14:47:01,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:47:01,696 INFO L256 TraceCheckSpWp]: Trace formula consists of 2936 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-07 14:47:01,713 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 14:47:01,837 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:47:01,837 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 14:47:02,105 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:47:02,106 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 14:47:02,136 INFO L162 IcfgInterpreter]: Started Sifa with 135 locations of interest [2019-10-07 14:47:02,136 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 14:47:02,144 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 14:47:02,152 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 14:47:02,152 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 14:48:21,700 WARN L191 SmtUtils]: Spent 497.00 ms on a formula simplification that was a NOOP. DAG size: 712 [2019-10-07 14:48:26,968 WARN L191 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 341 DAG size of output: 277 [2019-10-07 14:48:27,413 WARN L191 SmtUtils]: Spent 436.00 ms on a formula simplification that was a NOOP. DAG size: 759 [2019-10-07 14:48:27,735 WARN L191 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 759 [2019-10-07 14:48:27,970 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 759 [2019-10-07 14:48:28,179 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 457 [2019-10-07 14:48:28,923 WARN L191 SmtUtils]: Spent 742.00 ms on a formula simplification that was a NOOP. DAG size: 1062 [2019-10-07 14:48:29,686 WARN L191 SmtUtils]: Spent 741.00 ms on a formula simplification that was a NOOP. DAG size: 1062 [2019-10-07 14:48:30,355 WARN L191 SmtUtils]: Spent 665.00 ms on a formula simplification that was a NOOP. DAG size: 1062 [2019-10-07 14:48:30,625 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 457 [2019-10-07 14:48:31,375 WARN L191 SmtUtils]: Spent 748.00 ms on a formula simplification that was a NOOP. DAG size: 1062 [2019-10-07 14:48:32,657 WARN L191 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 1064 DAG size of output: 1062 [2019-10-07 14:48:33,361 WARN L191 SmtUtils]: Spent 698.00 ms on a formula simplification that was a NOOP. DAG size: 1062 [2019-10-07 14:48:33,537 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 457 [2019-10-07 14:48:34,195 WARN L191 SmtUtils]: Spent 656.00 ms on a formula simplification that was a NOOP. DAG size: 1062 [2019-10-07 14:48:34,847 WARN L191 SmtUtils]: Spent 649.00 ms on a formula simplification that was a NOOP. DAG size: 1062 [2019-10-07 14:48:35,505 WARN L191 SmtUtils]: Spent 654.00 ms on a formula simplification that was a NOOP. DAG size: 1062 [2019-10-07 14:48:35,630 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 457 [2019-10-07 14:48:36,281 WARN L191 SmtUtils]: Spent 649.00 ms on a formula simplification that was a NOOP. DAG size: 1062 [2019-10-07 14:48:36,312 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 574 for LOIs [2019-10-07 14:48:36,697 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 676 [2019-10-07 14:48:36,821 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 676 [2019-10-07 14:48:36,950 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 457 [2019-10-07 14:48:37,428 WARN L191 SmtUtils]: Spent 476.00 ms on a formula simplification that was a NOOP. DAG size: 979 [2019-10-07 14:48:37,429 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1125 for LOIs [2019-10-07 14:48:38,067 WARN L191 SmtUtils]: Spent 637.00 ms on a formula simplification that was a NOOP. DAG size: 1125 [2019-10-07 14:48:38,695 WARN L191 SmtUtils]: Spent 624.00 ms on a formula simplification that was a NOOP. DAG size: 1125 [2019-10-07 14:48:38,990 WARN L191 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 665 [2019-10-07 14:48:40,080 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1338 [2019-10-07 14:48:40,727 WARN L191 SmtUtils]: Spent 634.00 ms on a formula simplification that was a NOOP. DAG size: 1125 [2019-10-07 14:48:41,371 WARN L191 SmtUtils]: Spent 640.00 ms on a formula simplification that was a NOOP. DAG size: 1125 [2019-10-07 14:48:41,644 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 665 [2019-10-07 14:48:42,726 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 1338 [2019-10-07 14:48:43,400 WARN L191 SmtUtils]: Spent 638.00 ms on a formula simplification that was a NOOP. DAG size: 1125 [2019-10-07 14:48:44,031 WARN L191 SmtUtils]: Spent 627.00 ms on a formula simplification that was a NOOP. DAG size: 1125 [2019-10-07 14:48:44,303 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 665 [2019-10-07 14:48:45,393 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1338 [2019-10-07 14:48:46,795 WARN L191 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 1340 DAG size of output: 1125 [2019-10-07 14:48:47,426 WARN L191 SmtUtils]: Spent 628.00 ms on a formula simplification that was a NOOP. DAG size: 1125 [2019-10-07 14:48:47,730 WARN L191 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 665 [2019-10-07 14:48:48,828 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 1338 [2019-10-07 14:48:49,477 WARN L191 SmtUtils]: Spent 632.00 ms on a formula simplification that was a NOOP. DAG size: 1125 [2019-10-07 14:48:50,112 WARN L191 SmtUtils]: Spent 631.00 ms on a formula simplification that was a NOOP. DAG size: 1125 [2019-10-07 14:48:50,380 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 665 [2019-10-07 14:48:51,475 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1338 [2019-10-07 14:48:52,114 WARN L191 SmtUtils]: Spent 636.00 ms on a formula simplification that was a NOOP. DAG size: 1125 [2019-10-07 14:48:52,759 WARN L191 SmtUtils]: Spent 640.00 ms on a formula simplification that was a NOOP. DAG size: 1125 [2019-10-07 14:48:53,036 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 665 [2019-10-07 14:48:54,116 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 1338 [2019-10-07 14:48:54,752 WARN L191 SmtUtils]: Spent 634.00 ms on a formula simplification that was a NOOP. DAG size: 1125 [2019-10-07 14:48:55,391 WARN L191 SmtUtils]: Spent 635.00 ms on a formula simplification that was a NOOP. DAG size: 1125 [2019-10-07 14:48:55,688 WARN L191 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 665 [2019-10-07 14:48:56,788 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 1338 [2019-10-07 14:48:57,431 WARN L191 SmtUtils]: Spent 640.00 ms on a formula simplification that was a NOOP. DAG size: 1125 [2019-10-07 14:48:58,077 WARN L191 SmtUtils]: Spent 642.00 ms on a formula simplification that was a NOOP. DAG size: 1125 [2019-10-07 14:48:58,349 WARN L191 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 665 [2019-10-07 14:48:59,441 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1338 [2019-10-07 14:49:00,084 WARN L191 SmtUtils]: Spent 640.00 ms on a formula simplification that was a NOOP. DAG size: 1125 [2019-10-07 14:49:00,733 WARN L191 SmtUtils]: Spent 646.00 ms on a formula simplification that was a NOOP. DAG size: 1125 [2019-10-07 14:49:00,997 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 665 [2019-10-07 14:49:02,091 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1338 [2019-10-07 14:49:02,738 WARN L191 SmtUtils]: Spent 644.00 ms on a formula simplification that was a NOOP. DAG size: 1125 [2019-10-07 14:49:03,377 WARN L191 SmtUtils]: Spent 636.00 ms on a formula simplification that was a NOOP. DAG size: 1125 [2019-10-07 14:49:03,645 WARN L191 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 665 [2019-10-07 14:49:04,723 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 1338 [2019-10-07 14:49:05,362 WARN L191 SmtUtils]: Spent 636.00 ms on a formula simplification that was a NOOP. DAG size: 1125 [2019-10-07 14:49:06,013 WARN L191 SmtUtils]: Spent 647.00 ms on a formula simplification that was a NOOP. DAG size: 1125 [2019-10-07 14:49:06,280 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 665 [2019-10-07 14:49:07,384 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 1338 [2019-10-07 14:49:08,031 WARN L191 SmtUtils]: Spent 644.00 ms on a formula simplification that was a NOOP. DAG size: 1125 [2019-10-07 14:49:08,675 WARN L191 SmtUtils]: Spent 641.00 ms on a formula simplification that was a NOOP. DAG size: 1125 [2019-10-07 14:49:08,945 WARN L191 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 665 [2019-10-07 14:49:10,016 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1338 [2019-10-07 14:49:10,648 WARN L191 SmtUtils]: Spent 629.00 ms on a formula simplification that was a NOOP. DAG size: 1125 [2019-10-07 14:49:11,283 WARN L191 SmtUtils]: Spent 631.00 ms on a formula simplification that was a NOOP. DAG size: 1125 [2019-10-07 14:49:11,558 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 665 [2019-10-07 14:49:12,641 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 1338 [2019-10-07 14:49:13,840 WARN L191 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 1338 [2019-10-07 14:49:14,949 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 1338 [2019-10-07 14:49:15,228 WARN L191 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 665 [2019-10-07 14:49:16,324 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1338 [2019-10-07 14:49:18,418 WARN L191 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 1340 DAG size of output: 1338 [2019-10-07 14:49:19,520 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 1338 [2019-10-07 14:49:19,815 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 665 [2019-10-07 14:49:20,912 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1338 [2019-10-07 14:49:22,021 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 1338 [2019-10-07 14:49:23,135 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 1338 [2019-10-07 14:49:23,404 WARN L191 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 665 [2019-10-07 14:49:24,509 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 1338 [2019-10-07 14:49:25,646 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 1340 [2019-10-07 14:49:26,760 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 1340 [2019-10-07 14:49:27,121 WARN L191 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 668 [2019-10-07 14:49:28,229 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 1342 [2019-10-07 14:49:30,153 WARN L191 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 1344 DAG size of output: 1340 [2019-10-07 14:49:31,257 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 1340 [2019-10-07 14:49:31,543 WARN L191 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 668 [2019-10-07 14:49:32,654 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 1342 [2019-10-07 14:49:33,763 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 1340 [2019-10-07 14:49:34,864 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 1340 [2019-10-07 14:49:35,140 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 668 [2019-10-07 14:49:36,236 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1342 [2019-10-07 14:49:38,163 WARN L191 SmtUtils]: Spent 1.92 s on a formula simplification that was a NOOP. DAG size: 1340 [2019-10-07 14:49:39,245 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 1340 [2019-10-07 14:49:39,518 WARN L191 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 668 [2019-10-07 14:49:40,601 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 1342 [2019-10-07 14:49:41,677 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1342 [2019-10-07 14:49:42,772 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1342 [2019-10-07 14:49:43,063 WARN L191 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 668 [2019-10-07 14:49:44,140 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1344 [2019-10-07 14:49:46,858 WARN L191 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 1340 DAG size of output: 1338 [2019-10-07 14:49:47,942 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 1338 [2019-10-07 14:49:48,222 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 665 [2019-10-07 14:49:49,310 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1338 [2019-10-07 14:49:51,274 WARN L191 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 1340 DAG size of output: 1338 [2019-10-07 14:49:52,368 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1338 [2019-10-07 14:49:52,680 WARN L191 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 665 [2019-10-07 14:49:53,759 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 1338 [2019-10-07 14:49:54,823 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1338 [2019-10-07 14:49:55,892 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1338 [2019-10-07 14:49:56,154 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 665 [2019-10-07 14:49:57,218 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1338 [2019-10-07 14:50:00,382 WARN L191 SmtUtils]: Spent 3.11 s on a formula simplification. DAG size of input: 1340 DAG size of output: 1338 [2019-10-07 14:50:01,444 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1338 [2019-10-07 14:50:01,730 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 665 [2019-10-07 14:50:02,858 WARN L191 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 1338 [2019-10-07 14:50:04,829 WARN L191 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 1340 DAG size of output: 1338 [2019-10-07 14:50:05,909 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 1338 [2019-10-07 14:50:06,184 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 665 [2019-10-07 14:50:07,260 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1338 [2019-10-07 14:50:08,343 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 1338 [2019-10-07 14:50:09,410 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1338 [2019-10-07 14:50:09,672 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 665 [2019-10-07 14:50:10,734 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1338 [2019-10-07 14:50:11,828 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1342 [2019-10-07 14:50:12,903 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1342 [2019-10-07 14:50:13,176 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 668 [2019-10-07 14:50:14,232 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1342 [2019-10-07 14:50:16,195 WARN L191 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 1344 DAG size of output: 1342 [2019-10-07 14:50:17,268 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1342 [2019-10-07 14:50:17,542 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 668 [2019-10-07 14:50:18,612 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1342 [2019-10-07 14:50:20,536 WARN L191 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 1344 DAG size of output: 1342 [2019-10-07 14:50:21,596 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1342 [2019-10-07 14:50:21,857 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 668 [2019-10-07 14:50:22,936 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 1342 [2019-10-07 14:50:24,872 WARN L191 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 1349 DAG size of output: 1342 [2019-10-07 14:50:25,937 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1342 [2019-10-07 14:50:26,237 WARN L191 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 668 [2019-10-07 14:50:27,307 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1342 [2019-10-07 14:50:29,240 WARN L191 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 1351 DAG size of output: 1344 [2019-10-07 14:50:30,299 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1344 [2019-10-07 14:50:30,572 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 668 [2019-10-07 14:50:31,619 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1344 [2019-10-07 14:50:31,871 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:50:31,873 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 14:50:31,884 INFO L168 Benchmark]: Toolchain (without parser) took 220497.73 ms. Allocated memory was 142.1 MB in the beginning and 986.2 MB in the end (delta: 844.1 MB). Free memory was 97.0 MB in the beginning and 109.1 MB in the end (delta: -12.1 MB). Peak memory consumption was 832.0 MB. Max. memory is 7.1 GB. [2019-10-07 14:50:31,885 INFO L168 Benchmark]: CDTParser took 1.12 ms. Allocated memory is still 142.1 MB. Free memory was 118.5 MB in the beginning and 118.3 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-07 14:50:31,886 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1374.13 ms. Allocated memory was 142.1 MB in the beginning and 200.3 MB in the end (delta: 58.2 MB). Free memory was 96.8 MB in the beginning and 123.7 MB in the end (delta: -26.9 MB). Peak memory consumption was 39.3 MB. Max. memory is 7.1 GB. [2019-10-07 14:50:31,886 INFO L168 Benchmark]: Boogie Preprocessor took 245.29 ms. Allocated memory is still 200.3 MB. Free memory was 123.7 MB in the beginning and 114.1 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-10-07 14:50:31,893 INFO L168 Benchmark]: RCFGBuilder took 4973.47 ms. Allocated memory was 200.3 MB in the beginning and 314.6 MB in the end (delta: 114.3 MB). Free memory was 114.1 MB in the beginning and 115.0 MB in the end (delta: -889.6 kB). Peak memory consumption was 113.4 MB. Max. memory is 7.1 GB. [2019-10-07 14:50:31,894 INFO L168 Benchmark]: TraceAbstraction took 213895.89 ms. Allocated memory was 314.6 MB in the beginning and 986.2 MB in the end (delta: 671.6 MB). Free memory was 115.0 MB in the beginning and 109.1 MB in the end (delta: 6.0 MB). Peak memory consumption was 677.6 MB. Max. memory is 7.1 GB. [2019-10-07 14:50:31,899 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.12 ms. Allocated memory is still 142.1 MB. Free memory was 118.5 MB in the beginning and 118.3 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1374.13 ms. Allocated memory was 142.1 MB in the beginning and 200.3 MB in the end (delta: 58.2 MB). Free memory was 96.8 MB in the beginning and 123.7 MB in the end (delta: -26.9 MB). Peak memory consumption was 39.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 245.29 ms. Allocated memory is still 200.3 MB. Free memory was 123.7 MB in the beginning and 114.1 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4973.47 ms. Allocated memory was 200.3 MB in the beginning and 314.6 MB in the end (delta: 114.3 MB). Free memory was 114.1 MB in the beginning and 115.0 MB in the end (delta: -889.6 kB). Peak memory consumption was 113.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 213895.89 ms. Allocated memory was 314.6 MB in the beginning and 986.2 MB in the end (delta: 671.6 MB). Free memory was 115.0 MB in the beginning and 109.1 MB in the end (delta: 6.0 MB). Peak memory consumption was 677.6 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...