java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/email_spec3_product29.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 14:53:37,155 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 14:53:37,158 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 14:53:37,179 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 14:53:37,180 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 14:53:37,182 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 14:53:37,184 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 14:53:37,193 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 14:53:37,199 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 14:53:37,202 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 14:53:37,203 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 14:53:37,205 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 14:53:37,205 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 14:53:37,207 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 14:53:37,209 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 14:53:37,211 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 14:53:37,212 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 14:53:37,213 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 14:53:37,214 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 14:53:37,219 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 14:53:37,223 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 14:53:37,226 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 14:53:37,229 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 14:53:37,230 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 14:53:37,232 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 14:53:37,232 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 14:53:37,233 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 14:53:37,235 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 14:53:37,236 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 14:53:37,237 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 14:53:37,237 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 14:53:37,238 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 14:53:37,239 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 14:53:37,239 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 14:53:37,241 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 14:53:37,241 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 14:53:37,242 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 14:53:37,242 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 14:53:37,242 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 14:53:37,243 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 14:53:37,244 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 14:53:37,245 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 14:53:37,276 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 14:53:37,281 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 14:53:37,283 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 14:53:37,283 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 14:53:37,283 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 14:53:37,283 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 14:53:37,284 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 14:53:37,284 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 14:53:37,284 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 14:53:37,284 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 14:53:37,284 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 14:53:37,285 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 14:53:37,285 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 14:53:37,285 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 14:53:37,285 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 14:53:37,285 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 14:53:37,285 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 14:53:37,286 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 14:53:37,286 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 14:53:37,288 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 14:53:37,289 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 14:53:37,289 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 14:53:37,289 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 14:53:37,290 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 14:53:37,290 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 14:53:37,290 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 14:53:37,294 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 14:53:37,294 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 14:53:37,295 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 14:53:37,587 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 14:53:37,606 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 14:53:37,610 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 14:53:37,612 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 14:53:37,612 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 14:53:37,613 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec3_product29.cil.c [2019-10-07 14:53:37,693 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/974056684/f467995b986f4f29a1c3dd8b223bf307/FLAG88f139fc6 [2019-10-07 14:53:38,407 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 14:53:38,408 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec3_product29.cil.c [2019-10-07 14:53:38,442 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/974056684/f467995b986f4f29a1c3dd8b223bf307/FLAG88f139fc6 [2019-10-07 14:53:38,523 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/974056684/f467995b986f4f29a1c3dd8b223bf307 [2019-10-07 14:53:38,534 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 14:53:38,535 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 14:53:38,536 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 14:53:38,537 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 14:53:38,540 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 14:53:38,541 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:53:38" (1/1) ... [2019-10-07 14:53:38,543 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7492c7de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:53:38, skipping insertion in model container [2019-10-07 14:53:38,544 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:53:38" (1/1) ... [2019-10-07 14:53:38,552 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 14:53:38,635 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 14:53:39,445 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:53:39,474 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 14:53:39,645 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:53:39,744 INFO L192 MainTranslator]: Completed translation [2019-10-07 14:53:39,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:53:39 WrapperNode [2019-10-07 14:53:39,745 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 14:53:39,746 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 14:53:39,746 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 14:53:39,746 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 14:53:39,761 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:53:39" (1/1) ... [2019-10-07 14:53:39,762 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:53:39" (1/1) ... [2019-10-07 14:53:39,814 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:53:39" (1/1) ... [2019-10-07 14:53:39,815 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:53:39" (1/1) ... [2019-10-07 14:53:39,889 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:53:39" (1/1) ... [2019-10-07 14:53:39,926 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:53:39" (1/1) ... [2019-10-07 14:53:39,955 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:53:39" (1/1) ... [2019-10-07 14:53:39,974 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 14:53:39,975 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 14:53:39,975 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 14:53:39,975 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 14:53:39,977 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:53:39" (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 14:53:40,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 14:53:40,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 14:53:40,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 14:53:40,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 14:53:40,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 14:53:40,071 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 14:53:40,071 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 14:53:40,072 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 14:53:40,072 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 14:53:40,072 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-07 14:53:40,072 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-07 14:53:40,073 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-07 14:53:40,074 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-07 14:53:40,074 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-07 14:53:40,074 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-07 14:53:40,074 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-07 14:53:40,077 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-07 14:53:40,077 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-07 14:53:40,078 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-07 14:53:40,078 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-07 14:53:40,078 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-07 14:53:40,079 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-07 14:53:40,079 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-07 14:53:40,079 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-07 14:53:40,079 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-07 14:53:40,080 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-07 14:53:40,080 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-07 14:53:40,080 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-07 14:53:40,080 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-07 14:53:40,080 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-07 14:53:40,080 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-07 14:53:40,081 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-07 14:53:40,081 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-07 14:53:40,081 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-07 14:53:40,081 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-07 14:53:40,081 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-07 14:53:40,082 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-07 14:53:40,082 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-07 14:53:40,082 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-07 14:53:40,082 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-07 14:53:40,082 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-07 14:53:40,083 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-07 14:53:40,083 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-07 14:53:40,083 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-07 14:53:40,083 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-07 14:53:40,083 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-07 14:53:40,084 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 14:53:40,084 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 14:53:40,084 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-07 14:53:40,084 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-07 14:53:40,084 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-07 14:53:40,084 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-07 14:53:40,085 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-07 14:53:40,085 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-07 14:53:40,085 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-07 14:53:40,085 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-07 14:53:40,085 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-07 14:53:40,086 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-07 14:53:40,086 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-07 14:53:40,087 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-07 14:53:40,087 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-07 14:53:40,088 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-07 14:53:40,088 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-07 14:53:40,088 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-07 14:53:40,088 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-07 14:53:40,088 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-07 14:53:40,088 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-07 14:53:40,089 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-07 14:53:40,089 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-07 14:53:40,089 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-07 14:53:40,089 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-07 14:53:40,089 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-07 14:53:40,089 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-07 14:53:40,090 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-07 14:53:40,091 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-07 14:53:40,091 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-07 14:53:40,091 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-07 14:53:40,092 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-07 14:53:40,092 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-07 14:53:40,092 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 14:53:40,092 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 14:53:40,093 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 14:53:40,093 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 14:53:40,094 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 14:53:40,094 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 14:53:40,094 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-07 14:53:40,094 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-10-07 14:53:40,095 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2019-10-07 14:53:40,096 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-07 14:53:40,096 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-07 14:53:40,096 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-07 14:53:40,096 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-07 14:53:40,096 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-07 14:53:40,096 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-07 14:53:40,097 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-07 14:53:40,097 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-07 14:53:40,097 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2019-10-07 14:53:40,097 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-10-07 14:53:40,097 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-07 14:53:40,097 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-07 14:53:40,098 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-07 14:53:40,098 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-07 14:53:40,098 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-07 14:53:40,098 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-07 14:53:40,098 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-07 14:53:40,098 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-07 14:53:40,099 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-07 14:53:40,099 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-07 14:53:40,099 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-07 14:53:40,099 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-07 14:53:40,099 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-07 14:53:40,100 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-07 14:53:40,100 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-07 14:53:40,100 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-07 14:53:40,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__1 [2019-10-07 14:53:40,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__2 [2019-10-07 14:53:40,101 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 14:53:40,101 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 14:53:40,102 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 14:53:40,102 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 14:53:40,102 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 14:53:40,102 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 14:53:40,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 14:53:40,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 14:53:40,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 14:53:40,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 14:53:40,104 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 14:53:40,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 14:53:40,104 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 14:53:40,105 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 14:53:40,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 14:53:40,105 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 14:53:40,106 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 14:53:40,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 14:53:40,113 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 14:53:40,114 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-07 14:53:40,114 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-07 14:53:40,114 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-07 14:53:40,115 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-07 14:53:40,115 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-07 14:53:40,115 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-07 14:53:40,116 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-07 14:53:40,116 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-07 14:53:40,116 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-07 14:53:40,123 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-07 14:53:40,124 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-07 14:53:40,124 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-07 14:53:40,124 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-07 14:53:40,124 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-07 14:53:40,124 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-07 14:53:40,124 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-07 14:53:40,125 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-07 14:53:40,125 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-07 14:53:40,125 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-07 14:53:40,125 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-07 14:53:40,125 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-07 14:53:40,125 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-07 14:53:40,125 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-07 14:53:40,125 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-07 14:53:40,126 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-07 14:53:40,126 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-07 14:53:40,126 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-07 14:53:40,126 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-07 14:53:40,128 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-07 14:53:40,128 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 14:53:40,128 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-07 14:53:40,128 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 14:53:40,129 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 14:53:40,129 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 14:53:40,129 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-07 14:53:40,129 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-07 14:53:40,129 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-07 14:53:40,129 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-07 14:53:40,130 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-07 14:53:40,130 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-07 14:53:40,130 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-07 14:53:40,130 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-07 14:53:40,130 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-07 14:53:40,130 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-07 14:53:40,131 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-07 14:53:40,131 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 14:53:40,131 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 14:53:40,131 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 14:53:40,131 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-07 14:53:40,131 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-07 14:53:40,131 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-07 14:53:40,132 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-07 14:53:40,132 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-07 14:53:40,132 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-07 14:53:40,132 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-07 14:53:40,132 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-07 14:53:40,132 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-07 14:53:40,133 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-07 14:53:40,133 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-07 14:53:40,133 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-07 14:53:40,133 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-07 14:53:40,133 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-07 14:53:40,133 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-07 14:53:40,133 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-07 14:53:40,134 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-07 14:53:40,134 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-07 14:53:40,134 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-07 14:53:40,134 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-07 14:53:40,134 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-07 14:53:40,134 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-07 14:53:40,134 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-07 14:53:40,135 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-07 14:53:40,135 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-07 14:53:40,135 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-07 14:53:40,135 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-07 14:53:40,135 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-07 14:53:40,135 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-07 14:53:40,136 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-07 14:53:40,136 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-07 14:53:40,136 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-07 14:53:40,136 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-07 14:53:40,136 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-07 14:53:40,136 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 14:53:40,136 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 14:53:40,137 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-07 14:53:40,137 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-07 14:53:40,137 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-07 14:53:40,137 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-07 14:53:40,137 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-07 14:53:40,137 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-10-07 14:53:40,137 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2019-10-07 14:53:40,137 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-07 14:53:40,138 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-07 14:53:40,138 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-07 14:53:40,138 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-07 14:53:40,138 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-07 14:53:40,138 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-07 14:53:40,138 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-07 14:53:40,138 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-07 14:53:40,139 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-07 14:53:40,139 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-07 14:53:40,139 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-07 14:53:40,139 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__1 [2019-10-07 14:53:40,139 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-07 14:53:40,139 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2019-10-07 14:53:40,139 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-10-07 14:53:40,140 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-07 14:53:40,140 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-07 14:53:40,140 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__2 [2019-10-07 14:53:40,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 14:53:40,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 14:53:40,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 14:53:45,380 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 14:53:45,381 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-07 14:53:45,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:53:45 BoogieIcfgContainer [2019-10-07 14:53:45,383 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 14:53:45,384 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 14:53:45,384 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 14:53:45,388 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 14:53:45,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 02:53:38" (1/3) ... [2019-10-07 14:53:45,389 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e655bc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:53:45, skipping insertion in model container [2019-10-07 14:53:45,389 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:53:39" (2/3) ... [2019-10-07 14:53:45,390 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e655bc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:53:45, skipping insertion in model container [2019-10-07 14:53:45,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:53:45" (3/3) ... [2019-10-07 14:53:45,392 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec3_product29.cil.c [2019-10-07 14:53:45,403 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 14:53:45,420 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 14:53:45,432 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 14:53:45,473 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 14:53:45,473 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 14:53:45,473 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 14:53:45,473 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 14:53:45,473 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 14:53:45,473 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 14:53:45,473 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 14:53:45,473 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 14:53:45,501 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states. [2019-10-07 14:53:45,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-10-07 14:53:45,521 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:53:45,523 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:53:45,525 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:53:45,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:53:45,532 INFO L82 PathProgramCache]: Analyzing trace with hash 1700002007, now seen corresponding path program 1 times [2019-10-07 14:53:45,541 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:53:45,541 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:53:45,542 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:53:45,542 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:53:45,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:53:45,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:53:46,234 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-07 14:53:46,235 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:53:46,236 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:53:46,236 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 14:53:46,241 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 14:53:46,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 14:53:46,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 14:53:46,259 INFO L87 Difference]: Start difference. First operand 429 states. Second operand 2 states. [2019-10-07 14:53:46,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:53:46,331 INFO L93 Difference]: Finished difference Result 605 states and 734 transitions. [2019-10-07 14:53:46,331 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 14:53:46,332 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 159 [2019-10-07 14:53:46,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:53:46,353 INFO L225 Difference]: With dead ends: 605 [2019-10-07 14:53:46,353 INFO L226 Difference]: Without dead ends: 381 [2019-10-07 14:53:46,360 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 14:53:46,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2019-10-07 14:53:46,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 381. [2019-10-07 14:53:46,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2019-10-07 14:53:46,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 455 transitions. [2019-10-07 14:53:46,449 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 455 transitions. Word has length 159 [2019-10-07 14:53:46,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:53:46,451 INFO L462 AbstractCegarLoop]: Abstraction has 381 states and 455 transitions. [2019-10-07 14:53:46,451 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 14:53:46,451 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 455 transitions. [2019-10-07 14:53:46,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-10-07 14:53:46,457 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:53:46,458 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:53:46,458 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:53:46,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:53:46,459 INFO L82 PathProgramCache]: Analyzing trace with hash 939346425, now seen corresponding path program 1 times [2019-10-07 14:53:46,459 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:53:46,459 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:53:46,459 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:53:46,460 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:53:46,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:53:46,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:53:46,733 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-07 14:53:46,733 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:53:46,734 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:53:46,734 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:53:46,736 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:53:46,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:53:46,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:53:46,737 INFO L87 Difference]: Start difference. First operand 381 states and 455 transitions. Second operand 3 states. [2019-10-07 14:53:46,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:53:46,835 INFO L93 Difference]: Finished difference Result 590 states and 697 transitions. [2019-10-07 14:53:46,837 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:53:46,837 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 160 [2019-10-07 14:53:46,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:53:46,845 INFO L225 Difference]: With dead ends: 590 [2019-10-07 14:53:46,849 INFO L226 Difference]: Without dead ends: 383 [2019-10-07 14:53:46,852 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 14:53:46,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2019-10-07 14:53:46,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 383. [2019-10-07 14:53:46,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2019-10-07 14:53:46,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 457 transitions. [2019-10-07 14:53:46,905 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 457 transitions. Word has length 160 [2019-10-07 14:53:46,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:53:46,907 INFO L462 AbstractCegarLoop]: Abstraction has 383 states and 457 transitions. [2019-10-07 14:53:46,907 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:53:46,907 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 457 transitions. [2019-10-07 14:53:46,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2019-10-07 14:53:46,911 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:53:46,911 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:53:46,911 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:53:46,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:53:46,912 INFO L82 PathProgramCache]: Analyzing trace with hash 1281197486, now seen corresponding path program 1 times [2019-10-07 14:53:46,912 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:53:46,912 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:53:46,913 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:53:46,913 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:53:46,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:53:46,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:53:47,143 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-07 14:53:47,143 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:53:47,144 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:53:47,144 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:53:47,145 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:53:47,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:53:47,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:53:47,146 INFO L87 Difference]: Start difference. First operand 383 states and 457 transitions. Second operand 3 states. [2019-10-07 14:53:47,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:53:47,186 INFO L93 Difference]: Finished difference Result 748 states and 921 transitions. [2019-10-07 14:53:47,187 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:53:47,187 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 165 [2019-10-07 14:53:47,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:53:47,191 INFO L225 Difference]: With dead ends: 748 [2019-10-07 14:53:47,192 INFO L226 Difference]: Without dead ends: 423 [2019-10-07 14:53:47,194 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 14:53:47,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2019-10-07 14:53:47,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 422. [2019-10-07 14:53:47,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 422 states. [2019-10-07 14:53:47,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 525 transitions. [2019-10-07 14:53:47,221 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 525 transitions. Word has length 165 [2019-10-07 14:53:47,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:53:47,222 INFO L462 AbstractCegarLoop]: Abstraction has 422 states and 525 transitions. [2019-10-07 14:53:47,222 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:53:47,222 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 525 transitions. [2019-10-07 14:53:47,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2019-10-07 14:53:47,226 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:53:47,227 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:53:47,227 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:53:47,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:53:47,228 INFO L82 PathProgramCache]: Analyzing trace with hash -2141300424, now seen corresponding path program 1 times [2019-10-07 14:53:47,228 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:53:47,229 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:53:47,229 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:53:47,229 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:53:47,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:53:47,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:53:48,055 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-10-07 14:53:48,055 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:53:48,056 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:53:48,056 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2019-10-07 14:53:48,057 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2019-10-07 14:53:48,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2019-10-07 14:53:48,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=634, Unknown=0, NotChecked=0, Total=702 [2019-10-07 14:53:48,061 INFO L87 Difference]: Start difference. First operand 422 states and 525 transitions. Second operand 27 states. [2019-10-07 14:54:03,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:54:03,201 INFO L93 Difference]: Finished difference Result 1149 states and 1402 transitions. [2019-10-07 14:54:03,201 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2019-10-07 14:54:03,201 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 166 [2019-10-07 14:54:03,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:54:03,210 INFO L225 Difference]: With dead ends: 1149 [2019-10-07 14:54:03,210 INFO L226 Difference]: Without dead ends: 942 [2019-10-07 14:54:03,214 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 839 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=434, Invalid=3472, Unknown=0, NotChecked=0, Total=3906 [2019-10-07 14:54:03,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 942 states. [2019-10-07 14:54:03,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 942 to 931. [2019-10-07 14:54:03,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 931 states. [2019-10-07 14:54:03,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 931 states to 931 states and 1129 transitions. [2019-10-07 14:54:03,320 INFO L78 Accepts]: Start accepts. Automaton has 931 states and 1129 transitions. Word has length 166 [2019-10-07 14:54:03,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:54:03,321 INFO L462 AbstractCegarLoop]: Abstraction has 931 states and 1129 transitions. [2019-10-07 14:54:03,321 INFO L463 AbstractCegarLoop]: Interpolant automaton has 27 states. [2019-10-07 14:54:03,322 INFO L276 IsEmpty]: Start isEmpty. Operand 931 states and 1129 transitions. [2019-10-07 14:54:03,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-10-07 14:54:03,328 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:54:03,328 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:54:03,328 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:54:03,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:54:03,329 INFO L82 PathProgramCache]: Analyzing trace with hash 84209948, now seen corresponding path program 1 times [2019-10-07 14:54:03,330 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:54:03,330 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:54:03,330 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:54:03,330 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:54:03,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:54:03,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:54:04,890 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-07 14:54:04,891 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:54:04,891 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 14:54:04,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:54:05,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:54:05,552 INFO L256 TraceCheckSpWp]: Trace formula consists of 2917 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-07 14:54:05,629 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 14:54:05,774 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-07 14:54:05,774 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 14:54:06,088 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-07 14:54:06,088 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 14:54:06,126 INFO L162 IcfgInterpreter]: Started Sifa with 155 locations of interest [2019-10-07 14:54:06,126 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 14:54:06,139 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 14:54:06,148 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 14:54:06,149 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 14:55:41,675 WARN L191 SmtUtils]: Spent 456.00 ms on a formula simplification that was a NOOP. DAG size: 723 [2019-10-07 14:55:46,603 WARN L191 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 366 DAG size of output: 297 [2019-10-07 14:55:47,045 WARN L191 SmtUtils]: Spent 430.00 ms on a formula simplification that was a NOOP. DAG size: 777 [2019-10-07 14:55:47,287 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 777 [2019-10-07 14:55:47,513 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 777 [2019-10-07 14:55:47,673 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 460 [2019-10-07 14:55:48,407 WARN L191 SmtUtils]: Spent 732.00 ms on a formula simplification that was a NOOP. DAG size: 1082 [2019-10-07 14:55:49,149 WARN L191 SmtUtils]: Spent 721.00 ms on a formula simplification that was a NOOP. DAG size: 1082 [2019-10-07 14:55:49,892 WARN L191 SmtUtils]: Spent 738.00 ms on a formula simplification that was a NOOP. DAG size: 1082 [2019-10-07 14:55:50,062 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 460 [2019-10-07 14:55:50,757 WARN L191 SmtUtils]: Spent 693.00 ms on a formula simplification that was a NOOP. DAG size: 1082 [2019-10-07 14:55:52,235 WARN L191 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 1084 DAG size of output: 1082 [2019-10-07 14:55:52,918 WARN L191 SmtUtils]: Spent 680.00 ms on a formula simplification that was a NOOP. DAG size: 1082 [2019-10-07 14:55:53,077 WARN L191 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 460 [2019-10-07 14:55:53,785 WARN L191 SmtUtils]: Spent 707.00 ms on a formula simplification that was a NOOP. DAG size: 1082 [2019-10-07 14:55:54,495 WARN L191 SmtUtils]: Spent 705.00 ms on a formula simplification that was a NOOP. DAG size: 1082 [2019-10-07 14:55:55,167 WARN L191 SmtUtils]: Spent 668.00 ms on a formula simplification that was a NOOP. DAG size: 1082 [2019-10-07 14:55:55,374 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 460 [2019-10-07 14:55:56,090 WARN L191 SmtUtils]: Spent 713.00 ms on a formula simplification that was a NOOP. DAG size: 1082 [2019-10-07 14:55:56,117 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 580 for LOIs [2019-10-07 14:55:56,521 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 686 [2019-10-07 14:55:56,643 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 686 [2019-10-07 14:55:56,773 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 460 [2019-10-07 14:55:57,290 WARN L191 SmtUtils]: Spent 515.00 ms on a formula simplification that was a NOOP. DAG size: 991 [2019-10-07 14:55:57,292 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1135 for LOIs [2019-10-07 14:55:57,943 WARN L191 SmtUtils]: Spent 650.00 ms on a formula simplification that was a NOOP. DAG size: 1135 [2019-10-07 14:55:58,651 WARN L191 SmtUtils]: Spent 704.00 ms on a formula simplification that was a NOOP. DAG size: 1135 [2019-10-07 14:55:58,902 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 641 [2019-10-07 14:55:59,956 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1322 [2019-10-07 14:56:00,627 WARN L191 SmtUtils]: Spent 658.00 ms on a formula simplification that was a NOOP. DAG size: 1135 [2019-10-07 14:56:01,315 WARN L191 SmtUtils]: Spent 684.00 ms on a formula simplification that was a NOOP. DAG size: 1135 [2019-10-07 14:56:01,647 WARN L191 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 641 [2019-10-07 14:56:02,703 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1322 [2019-10-07 14:56:03,403 WARN L191 SmtUtils]: Spent 668.00 ms on a formula simplification that was a NOOP. DAG size: 1135 [2019-10-07 14:56:04,086 WARN L191 SmtUtils]: Spent 680.00 ms on a formula simplification that was a NOOP. DAG size: 1135 [2019-10-07 14:56:04,368 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 641 [2019-10-07 14:56:05,413 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1322 [2019-10-07 14:56:06,483 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 1324 DAG size of output: 1135 [2019-10-07 14:56:07,157 WARN L191 SmtUtils]: Spent 671.00 ms on a formula simplification that was a NOOP. DAG size: 1135 [2019-10-07 14:56:07,622 WARN L191 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 643 DAG size of output: 641 [2019-10-07 14:56:08,688 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1322 [2019-10-07 14:56:09,370 WARN L191 SmtUtils]: Spent 665.00 ms on a formula simplification that was a NOOP. DAG size: 1135 [2019-10-07 14:56:10,045 WARN L191 SmtUtils]: Spent 672.00 ms on a formula simplification that was a NOOP. DAG size: 1135 [2019-10-07 14:56:10,295 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 641 [2019-10-07 14:56:11,354 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1322 [2019-10-07 14:56:12,026 WARN L191 SmtUtils]: Spent 669.00 ms on a formula simplification that was a NOOP. DAG size: 1135 [2019-10-07 14:56:12,697 WARN L191 SmtUtils]: Spent 667.00 ms on a formula simplification that was a NOOP. DAG size: 1135 [2019-10-07 14:56:12,952 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 641 [2019-10-07 14:56:14,002 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1322 [2019-10-07 14:56:14,666 WARN L191 SmtUtils]: Spent 661.00 ms on a formula simplification that was a NOOP. DAG size: 1135 [2019-10-07 14:56:15,329 WARN L191 SmtUtils]: Spent 659.00 ms on a formula simplification that was a NOOP. DAG size: 1135 [2019-10-07 14:56:15,579 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 641 [2019-10-07 14:56:16,640 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1322 [2019-10-07 14:56:17,305 WARN L191 SmtUtils]: Spent 661.00 ms on a formula simplification that was a NOOP. DAG size: 1135 [2019-10-07 14:56:17,967 WARN L191 SmtUtils]: Spent 658.00 ms on a formula simplification that was a NOOP. DAG size: 1135 [2019-10-07 14:56:18,214 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 641 [2019-10-07 14:56:19,263 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1322 [2019-10-07 14:56:19,930 WARN L191 SmtUtils]: Spent 663.00 ms on a formula simplification that was a NOOP. DAG size: 1135 [2019-10-07 14:56:20,600 WARN L191 SmtUtils]: Spent 666.00 ms on a formula simplification that was a NOOP. DAG size: 1135 [2019-10-07 14:56:20,851 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 641 [2019-10-07 14:56:21,913 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1322 [2019-10-07 14:56:22,578 WARN L191 SmtUtils]: Spent 662.00 ms on a formula simplification that was a NOOP. DAG size: 1135 [2019-10-07 14:56:23,241 WARN L191 SmtUtils]: Spent 659.00 ms on a formula simplification that was a NOOP. DAG size: 1135 [2019-10-07 14:56:23,492 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 641 [2019-10-07 14:56:24,540 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1322 [2019-10-07 14:56:25,219 WARN L191 SmtUtils]: Spent 675.00 ms on a formula simplification that was a NOOP. DAG size: 1135 [2019-10-07 14:56:25,911 WARN L191 SmtUtils]: Spent 688.00 ms on a formula simplification that was a NOOP. DAG size: 1135 [2019-10-07 14:56:26,161 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 641 [2019-10-07 14:56:27,233 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1322 [2019-10-07 14:56:27,907 WARN L191 SmtUtils]: Spent 670.00 ms on a formula simplification that was a NOOP. DAG size: 1135 [2019-10-07 14:56:28,566 WARN L191 SmtUtils]: Spent 656.00 ms on a formula simplification that was a NOOP. DAG size: 1135 [2019-10-07 14:56:28,814 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 641 [2019-10-07 14:56:29,870 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1322 [2019-10-07 14:56:30,538 WARN L191 SmtUtils]: Spent 665.00 ms on a formula simplification that was a NOOP. DAG size: 1135 [2019-10-07 14:56:31,201 WARN L191 SmtUtils]: Spent 660.00 ms on a formula simplification that was a NOOP. DAG size: 1135 [2019-10-07 14:56:31,450 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 641 [2019-10-07 14:56:32,506 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1322 [2019-10-07 14:56:33,818 WARN L191 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 1322 [2019-10-07 14:56:34,869 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1322 [2019-10-07 14:56:35,134 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 641 [2019-10-07 14:56:36,192 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1322 [2019-10-07 14:56:38,153 WARN L191 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 1324 DAG size of output: 1322 [2019-10-07 14:56:39,215 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1322 [2019-10-07 14:56:39,476 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 641 [2019-10-07 14:56:40,540 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1322 [2019-10-07 14:56:41,594 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1322 [2019-10-07 14:56:42,658 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1322 [2019-10-07 14:56:42,904 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 641 [2019-10-07 14:56:43,968 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1322 [2019-10-07 14:56:45,098 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1326 [2019-10-07 14:56:46,165 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1326 [2019-10-07 14:56:46,424 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 644 [2019-10-07 14:56:47,524 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 1326 [2019-10-07 14:56:48,616 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1326 [2019-10-07 14:56:49,675 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1326 [2019-10-07 14:56:49,940 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 644 [2019-10-07 14:56:50,993 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1326 [2019-10-07 14:56:52,057 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1326 [2019-10-07 14:56:53,130 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1326 [2019-10-07 14:56:53,384 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 644 [2019-10-07 14:56:54,443 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1326 [2019-10-07 14:56:55,535 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 1331 [2019-10-07 14:56:56,596 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1331 [2019-10-07 14:56:56,853 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 644 [2019-10-07 14:56:57,924 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1331 [2019-10-07 14:56:58,981 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1333 [2019-10-07 14:57:00,047 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1333 [2019-10-07 14:57:00,310 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 644 [2019-10-07 14:57:01,394 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 1333 [2019-10-07 14:57:03,562 WARN L191 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 1324 DAG size of output: 1322 [2019-10-07 14:57:04,612 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1322 [2019-10-07 14:57:04,878 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 641 [2019-10-07 14:57:05,912 WARN L191 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 1322 [2019-10-07 14:57:08,252 WARN L191 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 1324 DAG size of output: 1322 [2019-10-07 14:57:09,297 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1322 [2019-10-07 14:57:09,574 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 641 [2019-10-07 14:57:10,623 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1322 [2019-10-07 14:57:11,696 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1322 [2019-10-07 14:57:12,753 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1322 [2019-10-07 14:57:13,021 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 641 [2019-10-07 14:57:14,095 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1322 [2019-10-07 14:57:16,051 WARN L191 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 1324 DAG size of output: 1322 [2019-10-07 14:57:17,100 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1322 [2019-10-07 14:57:17,360 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 641 [2019-10-07 14:57:18,431 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1322 [2019-10-07 14:57:20,377 WARN L191 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 1324 DAG size of output: 1322 [2019-10-07 14:57:21,453 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1322 [2019-10-07 14:57:21,711 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 641 [2019-10-07 14:57:22,768 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1322 [2019-10-07 14:57:23,826 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1322 [2019-10-07 14:57:24,882 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1322 [2019-10-07 14:57:25,129 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 641 [2019-10-07 14:57:26,193 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1322 [2019-10-07 14:57:28,190 WARN L191 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 1328 DAG size of output: 1326 [2019-10-07 14:57:29,289 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1326 [2019-10-07 14:57:29,562 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 644 [2019-10-07 14:57:30,649 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 1326 [2019-10-07 14:57:32,603 WARN L191 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 1328 DAG size of output: 1324 [2019-10-07 14:57:33,693 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1324 [2019-10-07 14:57:33,953 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 644 [2019-10-07 14:57:35,016 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1326 [2019-10-07 14:57:36,929 WARN L191 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 1328 DAG size of output: 1324 [2019-10-07 14:57:37,990 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1324 [2019-10-07 14:57:38,241 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 644 [2019-10-07 14:57:39,294 WARN L191 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 1326 [2019-10-07 14:57:41,087 WARN L191 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 1333 DAG size of output: 1324 [2019-10-07 14:57:42,135 WARN L191 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 1324 [2019-10-07 14:57:42,392 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 644 [2019-10-07 14:57:43,450 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1326 [2019-10-07 14:57:45,268 WARN L191 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 1335 DAG size of output: 1326 [2019-10-07 14:57:46,341 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1326 [2019-10-07 14:57:46,628 WARN L191 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 644 [2019-10-07 14:57:47,690 WARN L191 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 1328 [2019-10-07 14:57:47,970 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:57:47,972 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.generateProof(TraceAbstractionRefinementEngine.java:177) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:133) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε at de.uni_freiburg.informatik.ultimate.lib.sifa.PriorityWorklist.add(PriorityWorklist.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.lambda$2(DagInterpreter.java:135) at java.lang.Iterable.forEach(Iterable.java:75) at java.util.Collections$UnmodifiableCollection.forEach(Collections.java:1080) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:135) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:139) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:287) ... 21 more [2019-10-07 14:57:47,980 INFO L168 Benchmark]: Toolchain (without parser) took 249443.44 ms. Allocated memory was 145.2 MB in the beginning and 623.4 MB in the end (delta: 478.2 MB). Free memory was 100.4 MB in the beginning and 45.2 MB in the end (delta: 55.2 MB). Peak memory consumption was 533.4 MB. Max. memory is 7.1 GB. [2019-10-07 14:57:47,981 INFO L168 Benchmark]: CDTParser took 1.19 ms. Allocated memory is still 145.2 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-07 14:57:47,982 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1208.87 ms. Allocated memory was 145.2 MB in the beginning and 203.9 MB in the end (delta: 58.7 MB). Free memory was 100.2 MB in the beginning and 137.4 MB in the end (delta: -37.2 MB). Peak memory consumption was 29.8 MB. Max. memory is 7.1 GB. [2019-10-07 14:57:47,983 INFO L168 Benchmark]: Boogie Preprocessor took 228.84 ms. Allocated memory is still 203.9 MB. Free memory was 137.4 MB in the beginning and 127.7 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-10-07 14:57:47,984 INFO L168 Benchmark]: RCFGBuilder took 5408.24 ms. Allocated memory was 203.9 MB in the beginning and 301.5 MB in the end (delta: 97.5 MB). Free memory was 127.7 MB in the beginning and 247.4 MB in the end (delta: -119.7 MB). Peak memory consumption was 147.1 MB. Max. memory is 7.1 GB. [2019-10-07 14:57:47,985 INFO L168 Benchmark]: TraceAbstraction took 242592.46 ms. Allocated memory was 301.5 MB in the beginning and 623.4 MB in the end (delta: 321.9 MB). Free memory was 247.4 MB in the beginning and 45.2 MB in the end (delta: 202.2 MB). Peak memory consumption was 524.1 MB. Max. memory is 7.1 GB. [2019-10-07 14:57:47,989 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.19 ms. Allocated memory is still 145.2 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1208.87 ms. Allocated memory was 145.2 MB in the beginning and 203.9 MB in the end (delta: 58.7 MB). Free memory was 100.2 MB in the beginning and 137.4 MB in the end (delta: -37.2 MB). Peak memory consumption was 29.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 228.84 ms. Allocated memory is still 203.9 MB. Free memory was 137.4 MB in the beginning and 127.7 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5408.24 ms. Allocated memory was 203.9 MB in the beginning and 301.5 MB in the end (delta: 97.5 MB). Free memory was 127.7 MB in the beginning and 247.4 MB in the end (delta: -119.7 MB). Peak memory consumption was 147.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 242592.46 ms. Allocated memory was 301.5 MB in the beginning and 623.4 MB in the end (delta: 321.9 MB). Free memory was 247.4 MB in the beginning and 45.2 MB in the end (delta: 202.2 MB). Peak memory consumption was 524.1 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...