java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/email_spec1_product31.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 14:46:31,206 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 14:46:31,209 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 14:46:31,224 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 14:46:31,224 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 14:46:31,226 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 14:46:31,228 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 14:46:31,238 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 14:46:31,240 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 14:46:31,241 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 14:46:31,242 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 14:46:31,243 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 14:46:31,244 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 14:46:31,246 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 14:46:31,249 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 14:46:31,251 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 14:46:31,253 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 14:46:31,257 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 14:46:31,258 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 14:46:31,263 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 14:46:31,269 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 14:46:31,271 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 14:46:31,273 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 14:46:31,275 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 14:46:31,278 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 14:46:31,279 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 14:46:31,279 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 14:46:31,281 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 14:46:31,282 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 14:46:31,283 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 14:46:31,284 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 14:46:31,286 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 14:46:31,286 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 14:46:31,287 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 14:46:31,289 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 14:46:31,289 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 14:46:31,290 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 14:46:31,290 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 14:46:31,290 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 14:46:31,291 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 14:46:31,293 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 14:46:31,294 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-07 14:46:31,330 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 14:46:31,330 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 14:46:31,333 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 14:46:31,334 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 14:46:31,334 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 14:46:31,334 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 14:46:31,334 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 14:46:31,335 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 14:46:31,335 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 14:46:31,335 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 14:46:31,335 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 14:46:31,335 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 14:46:31,336 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 14:46:31,336 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 14:46:31,336 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 14:46:31,341 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 14:46:31,341 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 14:46:31,341 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 14:46:31,341 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 14:46:31,342 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 14:46:31,342 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 14:46:31,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 14:46:31,342 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 14:46:31,343 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 14:46:31,343 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 14:46:31,343 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 14:46:31,343 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 14:46:31,344 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 14:46:31,344 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 14:46:31,664 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 14:46:31,683 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 14:46:31,687 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 14:46:31,688 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 14:46:31,689 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 14:46:31,690 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec1_product31.cil.c [2019-10-07 14:46:31,771 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a77db010f/cb3134d310ba4f70a3c632953244e6f9/FLAGc299452cf [2019-10-07 14:46:32,416 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 14:46:32,416 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec1_product31.cil.c [2019-10-07 14:46:32,457 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a77db010f/cb3134d310ba4f70a3c632953244e6f9/FLAGc299452cf [2019-10-07 14:46:32,673 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a77db010f/cb3134d310ba4f70a3c632953244e6f9 [2019-10-07 14:46:32,684 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 14:46:32,685 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 14:46:32,686 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 14:46:32,687 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 14:46:32,690 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 14:46:32,691 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:46:32" (1/1) ... [2019-10-07 14:46:32,694 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7789f9f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:46:32, skipping insertion in model container [2019-10-07 14:46:32,695 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:46:32" (1/1) ... [2019-10-07 14:46:32,703 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 14:46:32,801 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 14:46:33,646 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:46:33,683 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 14:46:33,837 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:46:33,965 INFO L192 MainTranslator]: Completed translation [2019-10-07 14:46:33,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:46:33 WrapperNode [2019-10-07 14:46:33,966 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 14:46:33,967 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 14:46:33,968 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 14:46:33,968 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 14:46:33,989 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:46:33" (1/1) ... [2019-10-07 14:46:33,989 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:46:33" (1/1) ... [2019-10-07 14:46:34,064 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:46:33" (1/1) ... [2019-10-07 14:46:34,064 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:46:33" (1/1) ... [2019-10-07 14:46:34,150 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:46:33" (1/1) ... [2019-10-07 14:46:34,186 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:46:33" (1/1) ... [2019-10-07 14:46:34,206 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:46:33" (1/1) ... [2019-10-07 14:46:34,227 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 14:46:34,228 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 14:46:34,230 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 14:46:34,230 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 14:46:34,232 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:46:33" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 14:46:34,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 14:46:34,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 14:46:34,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 14:46:34,304 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-07 14:46:34,304 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-10-07 14:46:34,306 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-07 14:46:34,306 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-07 14:46:34,307 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2019-10-07 14:46:34,307 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-07 14:46:34,307 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-07 14:46:34,307 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-07 14:46:34,308 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-07 14:46:34,308 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-07 14:46:34,309 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-07 14:46:34,309 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-07 14:46:34,309 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-07 14:46:34,311 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-07 14:46:34,311 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-07 14:46:34,312 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-07 14:46:34,313 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-07 14:46:34,313 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-07 14:46:34,313 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-07 14:46:34,313 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-07 14:46:34,313 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-07 14:46:34,313 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-07 14:46:34,313 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 14:46:34,314 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 14:46:34,314 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 14:46:34,314 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 14:46:34,314 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 14:46:34,315 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 14:46:34,316 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-07 14:46:34,316 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Encrypt [2019-10-07 14:46:34,316 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-10-07 14:46:34,316 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-07 14:46:34,316 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-07 14:46:34,316 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-07 14:46:34,316 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-07 14:46:34,317 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-07 14:46:34,317 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 14:46:34,317 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 14:46:34,317 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 14:46:34,317 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 14:46:34,317 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 14:46:34,317 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-07 14:46:34,318 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-07 14:46:34,318 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-07 14:46:34,318 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-07 14:46:34,318 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-07 14:46:34,318 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-07 14:46:34,318 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-07 14:46:34,318 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-07 14:46:34,319 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 14:46:34,319 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 14:46:34,319 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-07 14:46:34,319 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-07 14:46:34,319 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-07 14:46:34,319 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-07 14:46:34,320 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-07 14:46:34,320 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-07 14:46:34,320 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-07 14:46:34,320 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-07 14:46:34,320 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-07 14:46:34,321 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-07 14:46:34,321 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-07 14:46:34,321 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-07 14:46:34,321 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-07 14:46:34,321 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-07 14:46:34,321 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-07 14:46:34,321 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-07 14:46:34,322 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-07 14:46:34,322 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-07 14:46:34,322 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-07 14:46:34,323 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-07 14:46:34,323 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-07 14:46:34,323 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-07 14:46:34,324 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-07 14:46:34,324 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-07 14:46:34,324 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-07 14:46:34,324 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-07 14:46:34,325 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-07 14:46:34,325 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-07 14:46:34,325 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-07 14:46:34,325 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-07 14:46:34,325 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-07 14:46:34,326 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-07 14:46:34,326 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-07 14:46:34,327 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-07 14:46:34,327 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-07 14:46:34,327 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-07 14:46:34,327 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-07 14:46:34,327 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-07 14:46:34,327 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-07 14:46:34,327 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-07 14:46:34,327 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-07 14:46:34,328 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-07 14:46:34,328 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-07 14:46:34,328 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-07 14:46:34,328 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-07 14:46:34,328 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-07 14:46:34,328 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-07 14:46:34,328 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-07 14:46:34,329 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-07 14:46:34,329 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-07 14:46:34,329 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-07 14:46:34,329 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-07 14:46:34,329 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-07 14:46:34,329 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-07 14:46:34,329 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-07 14:46:34,330 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-07 14:46:34,330 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-07 14:46:34,330 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-07 14:46:34,330 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-07 14:46:34,330 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-07 14:46:34,330 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 14:46:34,331 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 14:46:34,331 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 14:46:34,331 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 14:46:34,331 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-07 14:46:34,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 14:46:34,332 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 14:46:34,332 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-07 14:46:34,332 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-07 14:46:34,332 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-10-07 14:46:34,334 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-07 14:46:34,334 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-07 14:46:34,334 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-07 14:46:34,334 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-07 14:46:34,334 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-07 14:46:34,334 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-07 14:46:34,334 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-07 14:46:34,335 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-07 14:46:34,335 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-07 14:46:34,336 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-07 14:46:34,339 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-07 14:46:34,339 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-07 14:46:34,339 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-07 14:46:34,339 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-07 14:46:34,340 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-07 14:46:34,340 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-07 14:46:34,340 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-07 14:46:34,340 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-07 14:46:34,341 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-07 14:46:34,341 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-07 14:46:34,348 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-07 14:46:34,348 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-07 14:46:34,349 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-07 14:46:34,349 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-07 14:46:34,349 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-07 14:46:34,349 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-07 14:46:34,350 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-07 14:46:34,350 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-07 14:46:34,350 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-07 14:46:34,350 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-07 14:46:34,350 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-07 14:46:34,350 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-07 14:46:34,350 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-07 14:46:34,351 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-07 14:46:34,351 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-07 14:46:34,351 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-07 14:46:34,351 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-07 14:46:34,351 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2019-10-07 14:46:34,351 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-07 14:46:34,352 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-07 14:46:34,352 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-07 14:46:34,352 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 14:46:34,352 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 14:46:34,352 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 14:46:34,352 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 14:46:34,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 14:46:34,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 14:46:34,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 14:46:34,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 14:46:34,353 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 14:46:34,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 14:46:34,354 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 14:46:34,354 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 14:46:34,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 14:46:34,354 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 14:46:34,354 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 14:46:34,354 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 14:46:34,355 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-07 14:46:34,355 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-07 14:46:34,355 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-07 14:46:34,355 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-07 14:46:34,355 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Encrypt [2019-10-07 14:46:34,355 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-10-07 14:46:34,356 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-07 14:46:34,356 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-07 14:46:34,356 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-07 14:46:34,356 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-07 14:46:34,357 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-07 14:46:34,357 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-07 14:46:34,357 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-07 14:46:34,357 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-07 14:46:34,357 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-07 14:46:34,357 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-07 14:46:34,358 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 14:46:34,358 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 14:46:34,358 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 14:46:34,358 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 14:46:34,358 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 14:46:34,358 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-07 14:46:34,358 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-07 14:46:34,359 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-07 14:46:34,359 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-07 14:46:34,359 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-07 14:46:34,360 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-07 14:46:34,360 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-07 14:46:34,360 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-07 14:46:34,360 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-07 14:46:34,360 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-07 14:46:34,361 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-07 14:46:34,361 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 14:46:34,361 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 14:46:34,361 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-07 14:46:34,361 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-07 14:46:34,363 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-07 14:46:34,363 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-07 14:46:34,363 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-07 14:46:34,363 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-07 14:46:34,363 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-07 14:46:34,363 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-07 14:46:34,364 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-07 14:46:34,364 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-07 14:46:34,364 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-07 14:46:34,364 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-07 14:46:34,364 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-07 14:46:34,365 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-07 14:46:34,365 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-07 14:46:34,365 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-07 14:46:34,365 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-07 14:46:34,366 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-07 14:46:34,366 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-07 14:46:34,366 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-07 14:46:34,366 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-07 14:46:34,366 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-07 14:46:34,366 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-07 14:46:34,366 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-07 14:46:34,367 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-07 14:46:34,367 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-07 14:46:34,367 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-07 14:46:34,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 14:46:34,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 14:46:34,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 14:46:38,973 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 14:46:38,974 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-07 14:46:38,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:46:38 BoogieIcfgContainer [2019-10-07 14:46:38,976 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 14:46:38,977 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 14:46:38,977 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 14:46:38,982 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 14:46:38,982 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 02:46:32" (1/3) ... [2019-10-07 14:46:38,983 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c1506e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:46:38, skipping insertion in model container [2019-10-07 14:46:38,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:46:33" (2/3) ... [2019-10-07 14:46:38,984 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c1506e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:46:38, skipping insertion in model container [2019-10-07 14:46:38,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:46:38" (3/3) ... [2019-10-07 14:46:38,987 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec1_product31.cil.c [2019-10-07 14:46:38,998 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 14:46:39,010 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 14:46:39,022 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 14:46:39,052 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 14:46:39,053 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 14:46:39,053 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 14:46:39,053 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 14:46:39,053 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 14:46:39,053 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 14:46:39,053 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 14:46:39,054 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 14:46:39,083 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states. [2019-10-07 14:46:39,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2019-10-07 14:46:39,099 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:46:39,100 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:46:39,102 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:46:39,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:46:39,109 INFO L82 PathProgramCache]: Analyzing trace with hash 475016269, now seen corresponding path program 1 times [2019-10-07 14:46:39,119 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:46:39,119 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:46:39,119 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:46:39,120 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:46:39,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:46:39,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:46:39,680 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:46:39,681 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:46:39,682 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:46:39,682 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 14:46:39,689 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 14:46:39,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 14:46:39,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 14:46:39,708 INFO L87 Difference]: Start difference. First operand 410 states. Second operand 2 states. [2019-10-07 14:46:39,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:46:39,779 INFO L93 Difference]: Finished difference Result 628 states and 744 transitions. [2019-10-07 14:46:39,779 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 14:46:39,780 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 125 [2019-10-07 14:46:39,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:46:39,804 INFO L225 Difference]: With dead ends: 628 [2019-10-07 14:46:39,805 INFO L226 Difference]: Without dead ends: 389 [2019-10-07 14:46:39,815 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 14:46:39,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2019-10-07 14:46:39,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 389. [2019-10-07 14:46:39,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 389 states. [2019-10-07 14:46:39,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 460 transitions. [2019-10-07 14:46:39,939 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 460 transitions. Word has length 125 [2019-10-07 14:46:39,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:46:39,941 INFO L462 AbstractCegarLoop]: Abstraction has 389 states and 460 transitions. [2019-10-07 14:46:39,941 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 14:46:39,941 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 460 transitions. [2019-10-07 14:46:39,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2019-10-07 14:46:39,946 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:46:39,947 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:46:39,947 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:46:39,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:46:39,947 INFO L82 PathProgramCache]: Analyzing trace with hash -1624160989, now seen corresponding path program 1 times [2019-10-07 14:46:39,948 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:46:39,948 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:46:39,948 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:46:39,948 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:46:39,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:46:40,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:46:40,188 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:46:40,189 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:46:40,189 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:46:40,189 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:46:40,192 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:46:40,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:46:40,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:46:40,193 INFO L87 Difference]: Start difference. First operand 389 states and 460 transitions. Second operand 3 states. [2019-10-07 14:46:40,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:46:40,252 INFO L93 Difference]: Finished difference Result 613 states and 715 transitions. [2019-10-07 14:46:40,252 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:46:40,252 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2019-10-07 14:46:40,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:46:40,258 INFO L225 Difference]: With dead ends: 613 [2019-10-07 14:46:40,258 INFO L226 Difference]: Without dead ends: 391 [2019-10-07 14:46:40,260 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:46:40,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2019-10-07 14:46:40,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 391. [2019-10-07 14:46:40,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 391 states. [2019-10-07 14:46:40,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 462 transitions. [2019-10-07 14:46:40,290 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 462 transitions. Word has length 126 [2019-10-07 14:46:40,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:46:40,291 INFO L462 AbstractCegarLoop]: Abstraction has 391 states and 462 transitions. [2019-10-07 14:46:40,291 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:46:40,291 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 462 transitions. [2019-10-07 14:46:40,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-10-07 14:46:40,295 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:46:40,295 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:46:40,295 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:46:40,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:46:40,296 INFO L82 PathProgramCache]: Analyzing trace with hash 456882773, now seen corresponding path program 1 times [2019-10-07 14:46:40,296 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:46:40,296 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:46:40,296 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:46:40,297 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:46:40,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:46:40,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:46:40,617 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:46:40,618 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:46:40,618 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:46:40,618 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:46:40,619 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:46:40,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:46:40,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:46:40,620 INFO L87 Difference]: Start difference. First operand 391 states and 462 transitions. Second operand 3 states. [2019-10-07 14:46:40,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:46:40,672 INFO L93 Difference]: Finished difference Result 764 states and 931 transitions. [2019-10-07 14:46:40,672 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:46:40,672 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 131 [2019-10-07 14:46:40,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:46:40,684 INFO L225 Difference]: With dead ends: 764 [2019-10-07 14:46:40,685 INFO L226 Difference]: Without dead ends: 431 [2019-10-07 14:46:40,687 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:46:40,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2019-10-07 14:46:40,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 430. [2019-10-07 14:46:40,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 430 states. [2019-10-07 14:46:40,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 530 transitions. [2019-10-07 14:46:40,735 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 530 transitions. Word has length 131 [2019-10-07 14:46:40,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:46:40,736 INFO L462 AbstractCegarLoop]: Abstraction has 430 states and 530 transitions. [2019-10-07 14:46:40,736 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:46:40,736 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 530 transitions. [2019-10-07 14:46:40,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2019-10-07 14:46:40,739 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:46:40,739 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:46:40,740 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:46:40,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:46:40,740 INFO L82 PathProgramCache]: Analyzing trace with hash -1035656553, now seen corresponding path program 1 times [2019-10-07 14:46:40,740 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:46:40,741 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:46:40,741 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:46:40,741 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:46:40,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:46:40,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:46:41,535 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-10-07 14:46:41,536 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:46:41,536 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 14:46:41,536 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 14:46:42,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:46:42,209 INFO L256 TraceCheckSpWp]: Trace formula consists of 2584 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-07 14:46:42,225 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 14:46:42,340 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:46:42,340 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 14:46:42,573 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 14:46:42,573 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 14:46:42,605 INFO L162 IcfgInterpreter]: Started Sifa with 121 locations of interest [2019-10-07 14:46:42,605 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 14:46:42,613 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 14:46:42,621 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 14:46:42,622 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 14:47:35,410 WARN L191 SmtUtils]: Spent 422.00 ms on a formula simplification that was a NOOP. DAG size: 677 [2019-10-07 14:47:39,340 WARN L191 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 316 DAG size of output: 257 [2019-10-07 14:47:39,766 WARN L191 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 719 [2019-10-07 14:47:40,135 WARN L191 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 719 [2019-10-07 14:47:40,486 WARN L191 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 719 [2019-10-07 14:47:40,709 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 448 [2019-10-07 14:47:41,387 WARN L191 SmtUtils]: Spent 676.00 ms on a formula simplification that was a NOOP. DAG size: 1016 [2019-10-07 14:47:42,065 WARN L191 SmtUtils]: Spent 660.00 ms on a formula simplification that was a NOOP. DAG size: 1016 [2019-10-07 14:47:42,735 WARN L191 SmtUtils]: Spent 665.00 ms on a formula simplification that was a NOOP. DAG size: 1016 [2019-10-07 14:47:42,878 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 448 [2019-10-07 14:47:43,525 WARN L191 SmtUtils]: Spent 644.00 ms on a formula simplification that was a NOOP. DAG size: 1016 [2019-10-07 14:47:44,825 WARN L191 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 1018 DAG size of output: 1016 [2019-10-07 14:47:45,461 WARN L191 SmtUtils]: Spent 631.00 ms on a formula simplification that was a NOOP. DAG size: 1016 [2019-10-07 14:47:45,608 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 448 [2019-10-07 14:47:46,202 WARN L191 SmtUtils]: Spent 592.00 ms on a formula simplification that was a NOOP. DAG size: 1016 [2019-10-07 14:47:46,832 WARN L191 SmtUtils]: Spent 627.00 ms on a formula simplification that was a NOOP. DAG size: 1016 [2019-10-07 14:47:47,464 WARN L191 SmtUtils]: Spent 628.00 ms on a formula simplification that was a NOOP. DAG size: 1016 [2019-10-07 14:47:47,582 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 448 [2019-10-07 14:47:48,165 WARN L191 SmtUtils]: Spent 581.00 ms on a formula simplification that was a NOOP. DAG size: 1016 [2019-10-07 14:47:48,190 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 556 for LOIs [2019-10-07 14:47:48,651 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 644 [2019-10-07 14:47:48,754 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 644 [2019-10-07 14:47:48,879 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 448 [2019-10-07 14:47:49,312 WARN L191 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 941 [2019-10-07 14:47:49,314 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1059 for LOIs [2019-10-07 14:47:49,930 WARN L191 SmtUtils]: Spent 614.00 ms on a formula simplification that was a NOOP. DAG size: 1059 [2019-10-07 14:47:50,510 WARN L191 SmtUtils]: Spent 577.00 ms on a formula simplification that was a NOOP. DAG size: 1059 [2019-10-07 14:47:50,721 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 584 [2019-10-07 14:47:51,560 WARN L191 SmtUtils]: Spent 837.00 ms on a formula simplification that was a NOOP. DAG size: 1196 [2019-10-07 14:47:52,179 WARN L191 SmtUtils]: Spent 605.00 ms on a formula simplification that was a NOOP. DAG size: 1059 [2019-10-07 14:47:52,764 WARN L191 SmtUtils]: Spent 580.00 ms on a formula simplification that was a NOOP. DAG size: 1059 [2019-10-07 14:47:52,978 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 584 [2019-10-07 14:47:53,807 WARN L191 SmtUtils]: Spent 827.00 ms on a formula simplification that was a NOOP. DAG size: 1196 [2019-10-07 14:47:54,491 WARN L191 SmtUtils]: Spent 652.00 ms on a formula simplification that was a NOOP. DAG size: 1059 [2019-10-07 14:47:55,092 WARN L191 SmtUtils]: Spent 597.00 ms on a formula simplification that was a NOOP. DAG size: 1059 [2019-10-07 14:47:55,377 WARN L191 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 584 [2019-10-07 14:47:56,219 WARN L191 SmtUtils]: Spent 839.00 ms on a formula simplification that was a NOOP. DAG size: 1196 [2019-10-07 14:47:57,231 WARN L191 SmtUtils]: Spent 985.00 ms on a formula simplification. DAG size of input: 1198 DAG size of output: 1059 [2019-10-07 14:47:57,815 WARN L191 SmtUtils]: Spent 580.00 ms on a formula simplification that was a NOOP. DAG size: 1059 [2019-10-07 14:47:58,077 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 584 [2019-10-07 14:47:58,918 WARN L191 SmtUtils]: Spent 838.00 ms on a formula simplification that was a NOOP. DAG size: 1196 [2019-10-07 14:47:59,515 WARN L191 SmtUtils]: Spent 583.00 ms on a formula simplification that was a NOOP. DAG size: 1059 [2019-10-07 14:48:00,120 WARN L191 SmtUtils]: Spent 601.00 ms on a formula simplification that was a NOOP. DAG size: 1059 [2019-10-07 14:48:00,351 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 584 [2019-10-07 14:48:01,188 WARN L191 SmtUtils]: Spent 835.00 ms on a formula simplification that was a NOOP. DAG size: 1196 [2019-10-07 14:48:01,769 WARN L191 SmtUtils]: Spent 578.00 ms on a formula simplification that was a NOOP. DAG size: 1059 [2019-10-07 14:48:02,347 WARN L191 SmtUtils]: Spent 574.00 ms on a formula simplification that was a NOOP. DAG size: 1059 [2019-10-07 14:48:02,557 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 584 [2019-10-07 14:48:03,391 WARN L191 SmtUtils]: Spent 831.00 ms on a formula simplification that was a NOOP. DAG size: 1196 [2019-10-07 14:48:03,975 WARN L191 SmtUtils]: Spent 581.00 ms on a formula simplification that was a NOOP. DAG size: 1059 [2019-10-07 14:48:04,568 WARN L191 SmtUtils]: Spent 590.00 ms on a formula simplification that was a NOOP. DAG size: 1059 [2019-10-07 14:48:04,776 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 584 [2019-10-07 14:48:05,624 WARN L191 SmtUtils]: Spent 846.00 ms on a formula simplification that was a NOOP. DAG size: 1196 [2019-10-07 14:48:06,205 WARN L191 SmtUtils]: Spent 578.00 ms on a formula simplification that was a NOOP. DAG size: 1059 [2019-10-07 14:48:06,788 WARN L191 SmtUtils]: Spent 579.00 ms on a formula simplification that was a NOOP. DAG size: 1059 [2019-10-07 14:48:06,988 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 584 [2019-10-07 14:48:07,821 WARN L191 SmtUtils]: Spent 831.00 ms on a formula simplification that was a NOOP. DAG size: 1196 [2019-10-07 14:48:08,423 WARN L191 SmtUtils]: Spent 599.00 ms on a formula simplification that was a NOOP. DAG size: 1059 [2019-10-07 14:48:09,004 WARN L191 SmtUtils]: Spent 578.00 ms on a formula simplification that was a NOOP. DAG size: 1059 [2019-10-07 14:48:09,209 WARN L191 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 584 [2019-10-07 14:48:10,054 WARN L191 SmtUtils]: Spent 843.00 ms on a formula simplification that was a NOOP. DAG size: 1196 [2019-10-07 14:48:10,652 WARN L191 SmtUtils]: Spent 596.00 ms on a formula simplification that was a NOOP. DAG size: 1059 [2019-10-07 14:48:11,258 WARN L191 SmtUtils]: Spent 602.00 ms on a formula simplification that was a NOOP. DAG size: 1059 [2019-10-07 14:48:11,457 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 584 [2019-10-07 14:48:12,289 WARN L191 SmtUtils]: Spent 831.00 ms on a formula simplification that was a NOOP. DAG size: 1196 [2019-10-07 14:48:12,866 WARN L191 SmtUtils]: Spent 574.00 ms on a formula simplification that was a NOOP. DAG size: 1059 [2019-10-07 14:48:13,449 WARN L191 SmtUtils]: Spent 580.00 ms on a formula simplification that was a NOOP. DAG size: 1059 [2019-10-07 14:48:13,669 WARN L191 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 584 [2019-10-07 14:48:14,498 WARN L191 SmtUtils]: Spent 827.00 ms on a formula simplification that was a NOOP. DAG size: 1196 [2019-10-07 14:48:15,080 WARN L191 SmtUtils]: Spent 579.00 ms on a formula simplification that was a NOOP. DAG size: 1059 [2019-10-07 14:48:15,666 WARN L191 SmtUtils]: Spent 583.00 ms on a formula simplification that was a NOOP. DAG size: 1059 [2019-10-07 14:48:15,873 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 584 [2019-10-07 14:48:16,706 WARN L191 SmtUtils]: Spent 830.00 ms on a formula simplification that was a NOOP. DAG size: 1196 [2019-10-07 14:48:17,282 WARN L191 SmtUtils]: Spent 574.00 ms on a formula simplification that was a NOOP. DAG size: 1059 [2019-10-07 14:48:17,864 WARN L191 SmtUtils]: Spent 579.00 ms on a formula simplification that was a NOOP. DAG size: 1059 [2019-10-07 14:48:18,064 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 584 [2019-10-07 14:48:18,889 WARN L191 SmtUtils]: Spent 823.00 ms on a formula simplification that was a NOOP. DAG size: 1196 [2019-10-07 14:48:19,780 WARN L191 SmtUtils]: Spent 840.00 ms on a formula simplification that was a NOOP. DAG size: 1196 [2019-10-07 14:48:20,614 WARN L191 SmtUtils]: Spent 831.00 ms on a formula simplification that was a NOOP. DAG size: 1196 [2019-10-07 14:48:20,827 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 584 [2019-10-07 14:48:21,671 WARN L191 SmtUtils]: Spent 842.00 ms on a formula simplification that was a NOOP. DAG size: 1196 [2019-10-07 14:48:23,258 WARN L191 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 1198 DAG size of output: 1196 [2019-10-07 14:48:24,100 WARN L191 SmtUtils]: Spent 838.00 ms on a formula simplification that was a NOOP. DAG size: 1196 [2019-10-07 14:48:24,317 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 584 [2019-10-07 14:48:25,148 WARN L191 SmtUtils]: Spent 829.00 ms on a formula simplification that was a NOOP. DAG size: 1196 [2019-10-07 14:48:26,004 WARN L191 SmtUtils]: Spent 853.00 ms on a formula simplification that was a NOOP. DAG size: 1196 [2019-10-07 14:48:26,855 WARN L191 SmtUtils]: Spent 848.00 ms on a formula simplification that was a NOOP. DAG size: 1196 [2019-10-07 14:48:27,057 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 584 [2019-10-07 14:48:27,884 WARN L191 SmtUtils]: Spent 825.00 ms on a formula simplification that was a NOOP. DAG size: 1196 [2019-10-07 14:48:28,787 WARN L191 SmtUtils]: Spent 867.00 ms on a formula simplification that was a NOOP. DAG size: 1200 [2019-10-07 14:48:29,648 WARN L191 SmtUtils]: Spent 856.00 ms on a formula simplification that was a NOOP. DAG size: 1200 [2019-10-07 14:48:29,856 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 587 [2019-10-07 14:48:30,718 WARN L191 SmtUtils]: Spent 860.00 ms on a formula simplification that was a NOOP. DAG size: 1200 [2019-10-07 14:48:32,229 WARN L191 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 1202 DAG size of output: 1198 [2019-10-07 14:48:33,106 WARN L191 SmtUtils]: Spent 873.00 ms on a formula simplification that was a NOOP. DAG size: 1198 [2019-10-07 14:48:33,324 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 587 [2019-10-07 14:48:34,186 WARN L191 SmtUtils]: Spent 860.00 ms on a formula simplification that was a NOOP. DAG size: 1200 [2019-10-07 14:48:35,680 WARN L191 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 1202 DAG size of output: 1198 [2019-10-07 14:48:36,538 WARN L191 SmtUtils]: Spent 854.00 ms on a formula simplification that was a NOOP. DAG size: 1198 [2019-10-07 14:48:36,823 WARN L191 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 587 [2019-10-07 14:48:37,695 WARN L191 SmtUtils]: Spent 870.00 ms on a formula simplification that was a NOOP. DAG size: 1200 [2019-10-07 14:48:39,011 WARN L191 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 1205 [2019-10-07 14:48:39,878 WARN L191 SmtUtils]: Spent 864.00 ms on a formula simplification that was a NOOP. DAG size: 1205 [2019-10-07 14:48:40,119 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 587 [2019-10-07 14:48:40,995 WARN L191 SmtUtils]: Spent 873.00 ms on a formula simplification that was a NOOP. DAG size: 1205 [2019-10-07 14:48:41,862 WARN L191 SmtUtils]: Spent 863.00 ms on a formula simplification that was a NOOP. DAG size: 1207 [2019-10-07 14:48:42,737 WARN L191 SmtUtils]: Spent 871.00 ms on a formula simplification that was a NOOP. DAG size: 1207 [2019-10-07 14:48:42,953 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 587 [2019-10-07 14:48:43,823 WARN L191 SmtUtils]: Spent 867.00 ms on a formula simplification that was a NOOP. DAG size: 1207 [2019-10-07 14:48:45,976 WARN L191 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 1198 DAG size of output: 1196 [2019-10-07 14:48:46,838 WARN L191 SmtUtils]: Spent 858.00 ms on a formula simplification that was a NOOP. DAG size: 1196 [2019-10-07 14:48:47,052 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 584 [2019-10-07 14:48:47,912 WARN L191 SmtUtils]: Spent 858.00 ms on a formula simplification that was a NOOP. DAG size: 1196 [2019-10-07 14:48:49,512 WARN L191 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 1198 DAG size of output: 1196 [2019-10-07 14:48:50,380 WARN L191 SmtUtils]: Spent 864.00 ms on a formula simplification that was a NOOP. DAG size: 1196 [2019-10-07 14:48:50,651 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 584 [2019-10-07 14:48:51,518 WARN L191 SmtUtils]: Spent 865.00 ms on a formula simplification that was a NOOP. DAG size: 1196 [2019-10-07 14:48:52,384 WARN L191 SmtUtils]: Spent 863.00 ms on a formula simplification that was a NOOP. DAG size: 1196 [2019-10-07 14:48:53,241 WARN L191 SmtUtils]: Spent 853.00 ms on a formula simplification that was a NOOP. DAG size: 1196 [2019-10-07 14:48:53,448 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 584 [2019-10-07 14:48:54,308 WARN L191 SmtUtils]: Spent 858.00 ms on a formula simplification that was a NOOP. DAG size: 1196 [2019-10-07 14:48:56,829 WARN L191 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 1198 DAG size of output: 1196 [2019-10-07 14:48:57,677 WARN L191 SmtUtils]: Spent 845.00 ms on a formula simplification that was a NOOP. DAG size: 1196 [2019-10-07 14:48:57,891 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 584 [2019-10-07 14:48:58,733 WARN L191 SmtUtils]: Spent 840.00 ms on a formula simplification that was a NOOP. DAG size: 1196 [2019-10-07 14:49:00,303 WARN L191 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 1198 DAG size of output: 1196 [2019-10-07 14:49:01,166 WARN L191 SmtUtils]: Spent 859.00 ms on a formula simplification that was a NOOP. DAG size: 1196 [2019-10-07 14:49:01,386 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 584 [2019-10-07 14:49:02,243 WARN L191 SmtUtils]: Spent 854.00 ms on a formula simplification that was a NOOP. DAG size: 1196 [2019-10-07 14:49:03,099 WARN L191 SmtUtils]: Spent 853.00 ms on a formula simplification that was a NOOP. DAG size: 1196 [2019-10-07 14:49:03,940 WARN L191 SmtUtils]: Spent 836.00 ms on a formula simplification that was a NOOP. DAG size: 1196 [2019-10-07 14:49:04,147 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 584 [2019-10-07 14:49:04,995 WARN L191 SmtUtils]: Spent 846.00 ms on a formula simplification that was a NOOP. DAG size: 1196 [2019-10-07 14:49:06,568 WARN L191 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 1202 DAG size of output: 1198 [2019-10-07 14:49:07,424 WARN L191 SmtUtils]: Spent 852.00 ms on a formula simplification that was a NOOP. DAG size: 1198 [2019-10-07 14:49:07,642 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 587 [2019-10-07 14:49:08,495 WARN L191 SmtUtils]: Spent 851.00 ms on a formula simplification that was a NOOP. DAG size: 1200 [2019-10-07 14:49:10,063 WARN L191 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 1202 DAG size of output: 1198 [2019-10-07 14:49:10,906 WARN L191 SmtUtils]: Spent 839.00 ms on a formula simplification that was a NOOP. DAG size: 1198 [2019-10-07 14:49:11,118 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 587 [2019-10-07 14:49:11,970 WARN L191 SmtUtils]: Spent 850.00 ms on a formula simplification that was a NOOP. DAG size: 1200 [2019-10-07 14:49:12,824 WARN L191 SmtUtils]: Spent 851.00 ms on a formula simplification that was a NOOP. DAG size: 1198 [2019-10-07 14:49:13,674 WARN L191 SmtUtils]: Spent 846.00 ms on a formula simplification that was a NOOP. DAG size: 1198 [2019-10-07 14:49:13,877 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 587 [2019-10-07 14:49:14,721 WARN L191 SmtUtils]: Spent 842.00 ms on a formula simplification that was a NOOP. DAG size: 1200 [2019-10-07 14:49:16,182 WARN L191 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 1207 DAG size of output: 1198 [2019-10-07 14:49:17,045 WARN L191 SmtUtils]: Spent 858.00 ms on a formula simplification that was a NOOP. DAG size: 1198 [2019-10-07 14:49:17,257 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 587 [2019-10-07 14:49:18,144 WARN L191 SmtUtils]: Spent 884.00 ms on a formula simplification that was a NOOP. DAG size: 1200 [2019-10-07 14:49:19,698 WARN L191 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 1209 DAG size of output: 1200 [2019-10-07 14:49:20,547 WARN L191 SmtUtils]: Spent 845.00 ms on a formula simplification that was a NOOP. DAG size: 1200 [2019-10-07 14:49:20,787 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 587 [2019-10-07 14:49:21,636 WARN L191 SmtUtils]: Spent 847.00 ms on a formula simplification that was a NOOP. DAG size: 1202 [2019-10-07 14:49:21,898 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:49:21,900 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 14:49:21,907 INFO L168 Benchmark]: Toolchain (without parser) took 169221.22 ms. Allocated memory was 139.5 MB in the beginning and 769.7 MB in the end (delta: 630.2 MB). Free memory was 101.3 MB in the beginning and 201.3 MB in the end (delta: -100.0 MB). Peak memory consumption was 530.2 MB. Max. memory is 7.1 GB. [2019-10-07 14:49:21,907 INFO L168 Benchmark]: CDTParser took 1.44 ms. Allocated memory is still 139.5 MB. Free memory was 122.7 MB in the beginning and 122.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-10-07 14:49:21,908 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1280.27 ms. Allocated memory was 139.5 MB in the beginning and 202.4 MB in the end (delta: 62.9 MB). Free memory was 101.1 MB in the beginning and 130.7 MB in the end (delta: -29.6 MB). Peak memory consumption was 38.5 MB. Max. memory is 7.1 GB. [2019-10-07 14:49:21,909 INFO L168 Benchmark]: Boogie Preprocessor took 260.18 ms. Allocated memory is still 202.4 MB. Free memory was 130.7 MB in the beginning and 121.7 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2019-10-07 14:49:21,909 INFO L168 Benchmark]: RCFGBuilder took 4748.26 ms. Allocated memory was 202.4 MB in the beginning and 291.0 MB in the end (delta: 88.6 MB). Free memory was 121.7 MB in the beginning and 229.0 MB in the end (delta: -107.3 MB). Peak memory consumption was 130.4 MB. Max. memory is 7.1 GB. [2019-10-07 14:49:21,910 INFO L168 Benchmark]: TraceAbstraction took 162927.71 ms. Allocated memory was 291.0 MB in the beginning and 769.7 MB in the end (delta: 478.7 MB). Free memory was 225.9 MB in the beginning and 201.3 MB in the end (delta: 24.6 MB). Peak memory consumption was 503.3 MB. Max. memory is 7.1 GB. [2019-10-07 14:49:21,918 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.44 ms. Allocated memory is still 139.5 MB. Free memory was 122.7 MB in the beginning and 122.5 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1280.27 ms. Allocated memory was 139.5 MB in the beginning and 202.4 MB in the end (delta: 62.9 MB). Free memory was 101.1 MB in the beginning and 130.7 MB in the end (delta: -29.6 MB). Peak memory consumption was 38.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 260.18 ms. Allocated memory is still 202.4 MB. Free memory was 130.7 MB in the beginning and 121.7 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4748.26 ms. Allocated memory was 202.4 MB in the beginning and 291.0 MB in the end (delta: 88.6 MB). Free memory was 121.7 MB in the beginning and 229.0 MB in the end (delta: -107.3 MB). Peak memory consumption was 130.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 162927.71 ms. Allocated memory was 291.0 MB in the beginning and 769.7 MB in the end (delta: 478.7 MB). Free memory was 225.9 MB in the beginning and 201.3 MB in the end (delta: 24.6 MB). Peak memory consumption was 503.3 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...