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_spec7_product29.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:04:07,594 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:04:07,597 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:04:07,609 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:04:07,610 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:04:07,611 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:04:07,612 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:04:07,614 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:04:07,615 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:04:07,616 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:04:07,617 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:04:07,618 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:04:07,619 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:04:07,620 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:04:07,621 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:04:07,622 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:04:07,623 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:04:07,624 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:04:07,625 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:04:07,628 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:04:07,631 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:04:07,633 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:04:07,634 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:04:07,638 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:04:07,640 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:04:07,641 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:04:07,642 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:04:07,645 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:04:07,645 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:04:07,649 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:04:07,650 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:04:07,651 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:04:07,653 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:04:07,654 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:04:07,654 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:04:07,655 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:04:07,655 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:04:07,656 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:04:07,656 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:04:07,660 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:04:07,660 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:04:07,663 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 15:04:07,677 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:04:07,678 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:04:07,679 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:04:07,679 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:04:07,679 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:04:07,680 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:04:07,680 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:04:07,680 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:04:07,680 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:04:07,680 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:04:07,681 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:04:07,681 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:04:07,681 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:04:07,681 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:04:07,681 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:04:07,682 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:04:07,682 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:04:07,682 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:04:07,682 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:04:07,683 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:04:07,683 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:04:07,683 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:04:07,683 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:04:07,683 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:04:07,684 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:04:07,684 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:04:07,684 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:04:07,684 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:04:07,684 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 15:04:07,987 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:04:08,005 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:04:08,010 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:04:08,011 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:04:08,012 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:04:08,012 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec7_product29.cil.c [2019-10-07 15:04:08,076 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17925a8b0/571a8fb479cc403d88318898dc965874/FLAGb24c11530 [2019-10-07 15:04:08,730 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:04:08,731 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec7_product29.cil.c [2019-10-07 15:04:08,757 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17925a8b0/571a8fb479cc403d88318898dc965874/FLAGb24c11530 [2019-10-07 15:04:08,926 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17925a8b0/571a8fb479cc403d88318898dc965874 [2019-10-07 15:04:08,936 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:04:08,938 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:04:08,939 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:04:08,939 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:04:08,943 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:04:08,944 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:04:08" (1/1) ... [2019-10-07 15:04:08,947 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ea49d19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:04:08, skipping insertion in model container [2019-10-07 15:04:08,947 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:04:08" (1/1) ... [2019-10-07 15:04:08,954 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:04:09,029 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:04:09,831 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:04:09,861 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:04:10,019 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:04:10,116 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:04:10,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:04:10 WrapperNode [2019-10-07 15:04:10,116 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:04:10,117 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:04:10,117 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:04:10,118 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:04:10,133 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:04:10" (1/1) ... [2019-10-07 15:04:10,133 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:04:10" (1/1) ... [2019-10-07 15:04:10,166 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:04:10" (1/1) ... [2019-10-07 15:04:10,166 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:04:10" (1/1) ... [2019-10-07 15:04:10,259 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:04:10" (1/1) ... [2019-10-07 15:04:10,299 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:04:10" (1/1) ... [2019-10-07 15:04:10,316 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:04:10" (1/1) ... [2019-10-07 15:04:10,335 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:04:10,336 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:04:10,336 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:04:10,336 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:04:10,337 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:04:10" (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 15:04:10,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:04:10,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:04:10,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:04:10,435 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-07 15:04:10,436 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-07 15:04:10,437 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-07 15:04:10,438 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-07 15:04:10,439 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-07 15:04:10,439 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-07 15:04:10,440 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-07 15:04:10,440 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-07 15:04:10,441 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:04:10,441 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:04:10,441 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-07 15:04:10,442 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-07 15:04:10,442 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-07 15:04:10,445 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-07 15:04:10,445 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-07 15:04:10,445 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-07 15:04:10,445 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-07 15:04:10,446 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-07 15:04:10,446 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-07 15:04:10,446 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-07 15:04:10,446 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:04:10,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:04:10,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:04:10,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:04:10,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:04:10,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:04:10,448 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:04:10,448 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:04:10,448 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptVerify_spec__1 [2019-10-07 15:04:10,448 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-07 15:04:10,448 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-07 15:04:10,449 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2019-10-07 15:04:10,449 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-10-07 15:04:10,449 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-07 15:04:10,449 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-07 15:04:10,449 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-07 15:04:10,450 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-07 15:04:10,450 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-07 15:04:10,450 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-07 15:04:10,450 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-07 15:04:10,450 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-07 15:04:10,451 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-07 15:04:10,451 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-07 15:04:10,451 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-07 15:04:10,451 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-07 15:04:10,451 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-07 15:04:10,451 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-07 15:04:10,451 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-07 15:04:10,452 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-07 15:04:10,452 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-07 15:04:10,452 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-07 15:04:10,452 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-07 15:04:10,452 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-07 15:04:10,452 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-07 15:04:10,453 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-07 15:04:10,453 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-07 15:04:10,453 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-07 15:04:10,454 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-07 15:04:10,454 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-07 15:04:10,454 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-07 15:04:10,455 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-07 15:04:10,455 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-07 15:04:10,455 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-07 15:04:10,455 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-07 15:04:10,455 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-07 15:04:10,456 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-07 15:04:10,456 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-07 15:04:10,456 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-07 15:04:10,456 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-07 15:04:10,457 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-07 15:04:10,458 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-07 15:04:10,458 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-07 15:04:10,458 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-07 15:04:10,459 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-07 15:04:10,459 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-07 15:04:10,460 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-07 15:04:10,460 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-07 15:04:10,461 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-07 15:04:10,461 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-07 15:04:10,461 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-10-07 15:04:10,461 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2019-10-07 15:04:10,462 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-07 15:04:10,462 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-07 15:04:10,462 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-07 15:04:10,463 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-07 15:04:10,463 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-07 15:04:10,463 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-07 15:04:10,464 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-07 15:04:10,464 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-07 15:04:10,464 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-07 15:04:10,464 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-07 15:04:10,464 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-07 15:04:10,464 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-07 15:04:10,464 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-07 15:04:10,465 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-07 15:04:10,465 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-07 15:04:10,465 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-07 15:04:10,465 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-07 15:04:10,465 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-07 15:04:10,465 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-07 15:04:10,465 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-07 15:04:10,466 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-07 15:04:10,466 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-07 15:04:10,466 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-07 15:04:10,466 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-07 15:04:10,466 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-07 15:04:10,466 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-07 15:04:10,467 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-07 15:04:10,467 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:04:10,467 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:04:10,467 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:04:10,467 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:04:10,468 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:04:10,469 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:04:10,469 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:04:10,469 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-07 15:04:10,469 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-07 15:04:10,470 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-07 15:04:10,470 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-07 15:04:10,470 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-07 15:04:10,471 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-07 15:04:10,473 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-07 15:04:10,473 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-07 15:04:10,473 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-07 15:04:10,473 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-07 15:04:10,473 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-07 15:04:10,473 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:04:10,474 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:04:10,474 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:04:10,475 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-07 15:04:10,475 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-07 15:04:10,479 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-07 15:04:10,479 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-07 15:04:10,480 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-07 15:04:10,480 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-07 15:04:10,481 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-07 15:04:10,481 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-07 15:04:10,481 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-07 15:04:10,482 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-07 15:04:10,482 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-07 15:04:10,483 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:04:10,491 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:04:10,491 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:04:10,492 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-07 15:04:10,492 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-07 15:04:10,492 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-07 15:04:10,493 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-07 15:04:10,493 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-07 15:04:10,493 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-07 15:04:10,494 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-07 15:04:10,494 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-07 15:04:10,494 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-07 15:04:10,494 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-07 15:04:10,494 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-07 15:04:10,494 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-07 15:04:10,494 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-07 15:04:10,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:04:10,495 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:04:10,495 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:04:10,495 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:04:10,495 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:04:10,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:04:10,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:04:10,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:04:10,495 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:04:10,496 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:04:10,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:04:10,496 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:04:10,496 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:04:10,496 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:04:10,496 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:04:10,496 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:04:10,497 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:04:10,497 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:04:10,497 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-07 15:04:10,497 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptVerify_spec__1 [2019-10-07 15:04:10,497 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-07 15:04:10,497 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-07 15:04:10,497 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-07 15:04:10,498 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-07 15:04:10,498 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-07 15:04:10,498 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-07 15:04:10,498 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-07 15:04:10,498 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-07 15:04:10,498 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-07 15:04:10,498 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-07 15:04:10,499 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-07 15:04:10,499 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-07 15:04:10,499 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-07 15:04:10,499 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-07 15:04:10,499 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-07 15:04:10,499 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-07 15:04:10,500 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-07 15:04:10,500 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-07 15:04:10,500 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-07 15:04:10,500 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-07 15:04:10,500 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-07 15:04:10,500 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-07 15:04:10,501 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-07 15:04:10,501 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-07 15:04:10,501 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-07 15:04:10,501 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-07 15:04:10,501 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-07 15:04:10,501 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-07 15:04:10,502 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-07 15:04:10,502 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-07 15:04:10,502 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2019-10-07 15:04:10,502 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-10-07 15:04:10,502 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-07 15:04:10,502 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-07 15:04:10,503 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-07 15:04:10,503 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-07 15:04:10,503 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-07 15:04:10,503 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-07 15:04:10,503 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-07 15:04:10,503 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-07 15:04:10,504 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-07 15:04:10,504 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-07 15:04:10,504 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-07 15:04:10,504 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-07 15:04:10,504 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-07 15:04:10,504 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-07 15:04:10,505 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-07 15:04:10,505 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-07 15:04:10,505 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-07 15:04:10,505 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-07 15:04:10,505 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-07 15:04:10,506 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-07 15:04:10,506 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-10-07 15:04:10,506 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2019-10-07 15:04:10,506 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-07 15:04:10,506 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-07 15:04:10,506 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-07 15:04:10,507 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-07 15:04:10,507 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-07 15:04:10,507 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-07 15:04:10,507 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-07 15:04:10,507 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-07 15:04:10,508 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:04:10,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:04:10,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:04:10,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:04:15,251 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:04:15,251 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-07 15:04:15,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:04:15 BoogieIcfgContainer [2019-10-07 15:04:15,253 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:04:15,254 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:04:15,255 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:04:15,258 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:04:15,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:04:08" (1/3) ... [2019-10-07 15:04:15,259 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f64a3e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:04:15, skipping insertion in model container [2019-10-07 15:04:15,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:04:10" (2/3) ... [2019-10-07 15:04:15,260 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f64a3e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:04:15, skipping insertion in model container [2019-10-07 15:04:15,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:04:15" (3/3) ... [2019-10-07 15:04:15,262 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec7_product29.cil.c [2019-10-07 15:04:15,272 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:04:15,285 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:04:15,298 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:04:15,352 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:04:15,352 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:04:15,352 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:04:15,352 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:04:15,352 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:04:15,353 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:04:15,353 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:04:15,353 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:04:15,385 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states. [2019-10-07 15:04:15,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2019-10-07 15:04:15,415 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:04:15,416 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:04:15,418 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:04:15,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:04:15,425 INFO L82 PathProgramCache]: Analyzing trace with hash 1326101475, now seen corresponding path program 1 times [2019-10-07 15:04:15,434 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:04:15,434 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:04:15,435 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:04:15,435 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:04:15,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:04:15,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:04:16,123 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-07 15:04:16,124 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:04:16,124 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:04:16,124 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:04:16,129 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:04:16,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:04:16,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:04:16,146 INFO L87 Difference]: Start difference. First operand 414 states. Second operand 2 states. [2019-10-07 15:04:16,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:04:16,212 INFO L93 Difference]: Finished difference Result 575 states and 690 transitions. [2019-10-07 15:04:16,212 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:04:16,213 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 152 [2019-10-07 15:04:16,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:04:16,233 INFO L225 Difference]: With dead ends: 575 [2019-10-07 15:04:16,233 INFO L226 Difference]: Without dead ends: 366 [2019-10-07 15:04:16,239 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 15:04:16,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2019-10-07 15:04:16,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 366. [2019-10-07 15:04:16,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 366 states. [2019-10-07 15:04:16,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 434 transitions. [2019-10-07 15:04:16,332 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 434 transitions. Word has length 152 [2019-10-07 15:04:16,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:04:16,339 INFO L462 AbstractCegarLoop]: Abstraction has 366 states and 434 transitions. [2019-10-07 15:04:16,339 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:04:16,339 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 434 transitions. [2019-10-07 15:04:16,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-10-07 15:04:16,349 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:04:16,350 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:04:16,350 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:04:16,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:04:16,351 INFO L82 PathProgramCache]: Analyzing trace with hash -131016408, now seen corresponding path program 1 times [2019-10-07 15:04:16,352 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:04:16,352 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:04:16,353 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:04:16,353 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:04:16,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:04:16,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:04:16,665 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-07 15:04:16,666 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:04:16,666 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:04:16,666 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:04:16,668 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:04:16,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:04:16,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:04:16,669 INFO L87 Difference]: Start difference. First operand 366 states and 434 transitions. Second operand 3 states. [2019-10-07 15:04:16,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:04:16,739 INFO L93 Difference]: Finished difference Result 560 states and 655 transitions. [2019-10-07 15:04:16,740 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:04:16,740 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2019-10-07 15:04:16,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:04:16,745 INFO L225 Difference]: With dead ends: 560 [2019-10-07 15:04:16,745 INFO L226 Difference]: Without dead ends: 368 [2019-10-07 15:04:16,748 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 15:04:16,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2019-10-07 15:04:16,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 368. [2019-10-07 15:04:16,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 368 states. [2019-10-07 15:04:16,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 436 transitions. [2019-10-07 15:04:16,781 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 436 transitions. Word has length 153 [2019-10-07 15:04:16,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:04:16,782 INFO L462 AbstractCegarLoop]: Abstraction has 368 states and 436 transitions. [2019-10-07 15:04:16,782 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:04:16,782 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 436 transitions. [2019-10-07 15:04:16,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2019-10-07 15:04:16,785 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:04:16,785 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:04:16,786 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:04:16,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:04:16,786 INFO L82 PathProgramCache]: Analyzing trace with hash -2140150762, now seen corresponding path program 1 times [2019-10-07 15:04:16,787 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:04:16,787 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:04:16,787 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:04:16,787 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:04:16,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:04:16,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:04:17,064 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-07 15:04:17,065 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:04:17,065 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:04:17,065 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:04:17,069 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:04:17,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:04:17,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:04:17,069 INFO L87 Difference]: Start difference. First operand 368 states and 436 transitions. Second operand 3 states. [2019-10-07 15:04:17,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:04:17,108 INFO L93 Difference]: Finished difference Result 718 states and 879 transitions. [2019-10-07 15:04:17,108 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:04:17,108 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 158 [2019-10-07 15:04:17,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:04:17,112 INFO L225 Difference]: With dead ends: 718 [2019-10-07 15:04:17,113 INFO L226 Difference]: Without dead ends: 408 [2019-10-07 15:04:17,114 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 15:04:17,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2019-10-07 15:04:17,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 407. [2019-10-07 15:04:17,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 407 states. [2019-10-07 15:04:17,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 504 transitions. [2019-10-07 15:04:17,144 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 504 transitions. Word has length 158 [2019-10-07 15:04:17,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:04:17,145 INFO L462 AbstractCegarLoop]: Abstraction has 407 states and 504 transitions. [2019-10-07 15:04:17,145 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:04:17,145 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 504 transitions. [2019-10-07 15:04:17,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-10-07 15:04:17,149 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:04:17,149 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:04:17,149 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:04:17,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:04:17,150 INFO L82 PathProgramCache]: Analyzing trace with hash 257946119, now seen corresponding path program 1 times [2019-10-07 15:04:17,150 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:04:17,150 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:04:17,150 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:04:17,151 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:04:17,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:04:17,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:04:18,235 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-07 15:04:18,236 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:04:18,236 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:04:18,236 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2019-10-07 15:04:18,238 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2019-10-07 15:04:18,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2019-10-07 15:04:18,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=793, Unknown=0, NotChecked=0, Total=870 [2019-10-07 15:04:18,242 INFO L87 Difference]: Start difference. First operand 407 states and 504 transitions. Second operand 30 states. [2019-10-07 15:04:27,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:04:27,656 INFO L93 Difference]: Finished difference Result 866 states and 1079 transitions. [2019-10-07 15:04:27,656 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2019-10-07 15:04:27,656 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 159 [2019-10-07 15:04:27,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:04:27,663 INFO L225 Difference]: With dead ends: 866 [2019-10-07 15:04:27,663 INFO L226 Difference]: Without dead ends: 682 [2019-10-07 15:04:27,665 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 319 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=181, Invalid=2171, Unknown=0, NotChecked=0, Total=2352 [2019-10-07 15:04:27,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2019-10-07 15:04:27,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 670. [2019-10-07 15:04:27,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 670 states. [2019-10-07 15:04:27,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 670 states and 837 transitions. [2019-10-07 15:04:27,738 INFO L78 Accepts]: Start accepts. Automaton has 670 states and 837 transitions. Word has length 159 [2019-10-07 15:04:27,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:04:27,742 INFO L462 AbstractCegarLoop]: Abstraction has 670 states and 837 transitions. [2019-10-07 15:04:27,742 INFO L463 AbstractCegarLoop]: Interpolant automaton has 30 states. [2019-10-07 15:04:27,743 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 837 transitions. [2019-10-07 15:04:27,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2019-10-07 15:04:27,747 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:04:27,748 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:04:27,748 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:04:27,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:04:27,748 INFO L82 PathProgramCache]: Analyzing trace with hash -1976822384, now seen corresponding path program 1 times [2019-10-07 15:04:27,749 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:04:27,749 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:04:27,749 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:04:27,749 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:04:27,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:04:27,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:04:28,053 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-07 15:04:28,053 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:04:28,054 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:04:28,054 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-07 15:04:28,055 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-07 15:04:28,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-07 15:04:28,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-10-07 15:04:28,056 INFO L87 Difference]: Start difference. First operand 670 states and 837 transitions. Second operand 10 states. [2019-10-07 15:04:28,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:04:28,120 INFO L93 Difference]: Finished difference Result 679 states and 848 transitions. [2019-10-07 15:04:28,120 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-07 15:04:28,120 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 163 [2019-10-07 15:04:28,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:04:28,128 INFO L225 Difference]: With dead ends: 679 [2019-10-07 15:04:28,128 INFO L226 Difference]: Without dead ends: 676 [2019-10-07 15:04:28,130 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2019-10-07 15:04:28,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 676 states. [2019-10-07 15:04:28,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 676 to 676. [2019-10-07 15:04:28,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 676 states. [2019-10-07 15:04:28,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 676 states and 843 transitions. [2019-10-07 15:04:28,173 INFO L78 Accepts]: Start accepts. Automaton has 676 states and 843 transitions. Word has length 163 [2019-10-07 15:04:28,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:04:28,174 INFO L462 AbstractCegarLoop]: Abstraction has 676 states and 843 transitions. [2019-10-07 15:04:28,174 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-07 15:04:28,175 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 843 transitions. [2019-10-07 15:04:28,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2019-10-07 15:04:28,179 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:04:28,180 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:04:28,180 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:04:28,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:04:28,180 INFO L82 PathProgramCache]: Analyzing trace with hash 1790335500, now seen corresponding path program 1 times [2019-10-07 15:04:28,181 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:04:28,181 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:04:28,181 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:04:28,181 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:04:28,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:04:28,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:04:28,962 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-10-07 15:04:28,962 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:04:28,963 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:04:28,963 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 15:04:29,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:04:29,615 INFO L256 TraceCheckSpWp]: Trace formula consists of 2774 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-07 15:04:29,633 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:04:29,769 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-07 15:04:29,769 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:04:30,008 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-07 15:04:30,009 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 15:04:30,041 INFO L162 IcfgInterpreter]: Started Sifa with 150 locations of interest [2019-10-07 15:04:30,041 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 15:04:30,049 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 15:04:30,057 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 15:04:30,058 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 15:05:27,282 WARN L191 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 675 [2019-10-07 15:05:31,512 WARN L191 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 309 DAG size of output: 251 [2019-10-07 15:05:31,865 WARN L191 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 717 [2019-10-07 15:05:32,168 WARN L191 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 717 [2019-10-07 15:05:32,368 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 717 [2019-10-07 15:05:32,530 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 444 [2019-10-07 15:05:33,200 WARN L191 SmtUtils]: Spent 668.00 ms on a formula simplification that was a NOOP. DAG size: 1011 [2019-10-07 15:05:33,872 WARN L191 SmtUtils]: Spent 631.00 ms on a formula simplification that was a NOOP. DAG size: 1011 [2019-10-07 15:05:34,511 WARN L191 SmtUtils]: Spent 636.00 ms on a formula simplification that was a NOOP. DAG size: 1011 [2019-10-07 15:05:34,668 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 444 [2019-10-07 15:05:35,317 WARN L191 SmtUtils]: Spent 647.00 ms on a formula simplification that was a NOOP. DAG size: 1011 [2019-10-07 15:05:36,595 WARN L191 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 1013 DAG size of output: 1011 [2019-10-07 15:05:37,195 WARN L191 SmtUtils]: Spent 594.00 ms on a formula simplification that was a NOOP. DAG size: 1011 [2019-10-07 15:05:37,335 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 444 [2019-10-07 15:05:37,915 WARN L191 SmtUtils]: Spent 578.00 ms on a formula simplification that was a NOOP. DAG size: 1011 [2019-10-07 15:05:38,540 WARN L191 SmtUtils]: Spent 622.00 ms on a formula simplification that was a NOOP. DAG size: 1011 [2019-10-07 15:05:39,126 WARN L191 SmtUtils]: Spent 582.00 ms on a formula simplification that was a NOOP. DAG size: 1011 [2019-10-07 15:05:39,260 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 444 [2019-10-07 15:05:39,841 WARN L191 SmtUtils]: Spent 578.00 ms on a formula simplification that was a NOOP. DAG size: 1011 [2019-10-07 15:05:39,869 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 553 for LOIs [2019-10-07 15:05:40,232 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 642 [2019-10-07 15:05:40,470 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 444 [2019-10-07 15:05:40,935 WARN L191 SmtUtils]: Spent 463.00 ms on a formula simplification that was a NOOP. DAG size: 936 [2019-10-07 15:05:40,937 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1061 for LOIs [2019-10-07 15:05:41,492 WARN L191 SmtUtils]: Spent 555.00 ms on a formula simplification that was a NOOP. DAG size: 1061 [2019-10-07 15:05:42,065 WARN L191 SmtUtils]: Spent 568.00 ms on a formula simplification that was a NOOP. DAG size: 1061 [2019-10-07 15:05:42,299 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 621 [2019-10-07 15:05:43,243 WARN L191 SmtUtils]: Spent 942.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 15:05:43,814 WARN L191 SmtUtils]: Spent 558.00 ms on a formula simplification that was a NOOP. DAG size: 1061 [2019-10-07 15:05:44,392 WARN L191 SmtUtils]: Spent 574.00 ms on a formula simplification that was a NOOP. DAG size: 1061 [2019-10-07 15:05:44,626 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 621 [2019-10-07 15:05:45,542 WARN L191 SmtUtils]: Spent 914.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 15:05:46,181 WARN L191 SmtUtils]: Spent 598.00 ms on a formula simplification that was a NOOP. DAG size: 1061 [2019-10-07 15:05:46,748 WARN L191 SmtUtils]: Spent 563.00 ms on a formula simplification that was a NOOP. DAG size: 1061 [2019-10-07 15:05:46,985 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 621 [2019-10-07 15:05:47,898 WARN L191 SmtUtils]: Spent 911.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 15:05:48,848 WARN L191 SmtUtils]: Spent 922.00 ms on a formula simplification. DAG size of input: 1249 DAG size of output: 1061 [2019-10-07 15:05:49,406 WARN L191 SmtUtils]: Spent 554.00 ms on a formula simplification that was a NOOP. DAG size: 1061 [2019-10-07 15:05:49,689 WARN L191 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 621 [2019-10-07 15:05:50,613 WARN L191 SmtUtils]: Spent 922.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 15:05:51,189 WARN L191 SmtUtils]: Spent 560.00 ms on a formula simplification that was a NOOP. DAG size: 1061 [2019-10-07 15:05:51,761 WARN L191 SmtUtils]: Spent 569.00 ms on a formula simplification that was a NOOP. DAG size: 1061 [2019-10-07 15:05:52,070 WARN L191 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 621 [2019-10-07 15:05:52,985 WARN L191 SmtUtils]: Spent 913.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 15:05:53,551 WARN L191 SmtUtils]: Spent 563.00 ms on a formula simplification that was a NOOP. DAG size: 1061 [2019-10-07 15:05:54,113 WARN L191 SmtUtils]: Spent 558.00 ms on a formula simplification that was a NOOP. DAG size: 1061 [2019-10-07 15:05:54,347 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 621 [2019-10-07 15:05:55,267 WARN L191 SmtUtils]: Spent 919.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 15:05:55,826 WARN L191 SmtUtils]: Spent 556.00 ms on a formula simplification that was a NOOP. DAG size: 1061 [2019-10-07 15:05:56,395 WARN L191 SmtUtils]: Spent 564.00 ms on a formula simplification that was a NOOP. DAG size: 1061 [2019-10-07 15:05:56,626 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 621 [2019-10-07 15:05:57,541 WARN L191 SmtUtils]: Spent 913.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 15:05:58,114 WARN L191 SmtUtils]: Spent 569.00 ms on a formula simplification that was a NOOP. DAG size: 1061 [2019-10-07 15:05:58,673 WARN L191 SmtUtils]: Spent 555.00 ms on a formula simplification that was a NOOP. DAG size: 1061 [2019-10-07 15:05:58,901 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 621 [2019-10-07 15:05:59,817 WARN L191 SmtUtils]: Spent 914.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 15:06:00,375 WARN L191 SmtUtils]: Spent 554.00 ms on a formula simplification that was a NOOP. DAG size: 1061 [2019-10-07 15:06:00,959 WARN L191 SmtUtils]: Spent 581.00 ms on a formula simplification that was a NOOP. DAG size: 1061 [2019-10-07 15:06:01,187 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 621 [2019-10-07 15:06:02,117 WARN L191 SmtUtils]: Spent 927.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 15:06:02,676 WARN L191 SmtUtils]: Spent 557.00 ms on a formula simplification that was a NOOP. DAG size: 1061 [2019-10-07 15:06:03,241 WARN L191 SmtUtils]: Spent 562.00 ms on a formula simplification that was a NOOP. DAG size: 1061 [2019-10-07 15:06:03,472 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 621 [2019-10-07 15:06:04,389 WARN L191 SmtUtils]: Spent 914.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 15:06:04,947 WARN L191 SmtUtils]: Spent 555.00 ms on a formula simplification that was a NOOP. DAG size: 1061 [2019-10-07 15:06:05,511 WARN L191 SmtUtils]: Spent 560.00 ms on a formula simplification that was a NOOP. DAG size: 1061 [2019-10-07 15:06:05,746 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 621 [2019-10-07 15:06:06,667 WARN L191 SmtUtils]: Spent 919.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 15:06:07,231 WARN L191 SmtUtils]: Spent 561.00 ms on a formula simplification that was a NOOP. DAG size: 1061 [2019-10-07 15:06:07,789 WARN L191 SmtUtils]: Spent 554.00 ms on a formula simplification that was a NOOP. DAG size: 1061 [2019-10-07 15:06:08,016 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 621 [2019-10-07 15:06:08,931 WARN L191 SmtUtils]: Spent 913.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 15:06:09,490 WARN L191 SmtUtils]: Spent 557.00 ms on a formula simplification that was a NOOP. DAG size: 1061 [2019-10-07 15:06:10,052 WARN L191 SmtUtils]: Spent 558.00 ms on a formula simplification that was a NOOP. DAG size: 1061 [2019-10-07 15:06:10,280 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 621 [2019-10-07 15:06:11,202 WARN L191 SmtUtils]: Spent 920.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 15:06:12,193 WARN L191 SmtUtils]: Spent 943.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 15:06:13,109 WARN L191 SmtUtils]: Spent 913.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 15:06:13,424 WARN L191 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 621 [2019-10-07 15:06:14,335 WARN L191 SmtUtils]: Spent 908.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 15:06:16,044 WARN L191 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 1249 DAG size of output: 1247 [2019-10-07 15:06:16,960 WARN L191 SmtUtils]: Spent 913.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 15:06:17,205 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 621 [2019-10-07 15:06:18,120 WARN L191 SmtUtils]: Spent 912.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 15:06:19,036 WARN L191 SmtUtils]: Spent 913.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 15:06:19,950 WARN L191 SmtUtils]: Spent 911.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 15:06:20,181 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 621 [2019-10-07 15:06:21,106 WARN L191 SmtUtils]: Spent 923.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 15:06:22,059 WARN L191 SmtUtils]: Spent 915.00 ms on a formula simplification that was a NOOP. DAG size: 1249 [2019-10-07 15:06:22,975 WARN L191 SmtUtils]: Spent 912.00 ms on a formula simplification that was a NOOP. DAG size: 1249 [2019-10-07 15:06:23,208 WARN L191 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 624 [2019-10-07 15:06:24,129 WARN L191 SmtUtils]: Spent 919.00 ms on a formula simplification that was a NOOP. DAG size: 1251 [2019-10-07 15:06:25,851 WARN L191 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 1253 DAG size of output: 1251 [2019-10-07 15:06:26,776 WARN L191 SmtUtils]: Spent 921.00 ms on a formula simplification that was a NOOP. DAG size: 1251 [2019-10-07 15:06:27,015 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 624 [2019-10-07 15:06:27,930 WARN L191 SmtUtils]: Spent 913.00 ms on a formula simplification that was a NOOP. DAG size: 1251 [2019-10-07 15:06:29,620 WARN L191 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 1253 DAG size of output: 1249 [2019-10-07 15:06:30,551 WARN L191 SmtUtils]: Spent 926.00 ms on a formula simplification that was a NOOP. DAG size: 1249 [2019-10-07 15:06:30,781 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 624 [2019-10-07 15:06:31,711 WARN L191 SmtUtils]: Spent 928.00 ms on a formula simplification that was a NOOP. DAG size: 1251 [2019-10-07 15:06:32,641 WARN L191 SmtUtils]: Spent 923.00 ms on a formula simplification that was a NOOP. DAG size: 1249 [2019-10-07 15:06:33,559 WARN L191 SmtUtils]: Spent 915.00 ms on a formula simplification that was a NOOP. DAG size: 1249 [2019-10-07 15:06:33,796 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 624 [2019-10-07 15:06:34,723 WARN L191 SmtUtils]: Spent 924.00 ms on a formula simplification that was a NOOP. DAG size: 1251 [2019-10-07 15:06:35,647 WARN L191 SmtUtils]: Spent 920.00 ms on a formula simplification that was a NOOP. DAG size: 1251 [2019-10-07 15:06:36,577 WARN L191 SmtUtils]: Spent 926.00 ms on a formula simplification that was a NOOP. DAG size: 1251 [2019-10-07 15:06:36,825 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 624 [2019-10-07 15:06:37,755 WARN L191 SmtUtils]: Spent 928.00 ms on a formula simplification that was a NOOP. DAG size: 1253 [2019-10-07 15:06:40,345 WARN L191 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 1249 DAG size of output: 1247 [2019-10-07 15:06:41,260 WARN L191 SmtUtils]: Spent 911.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 15:06:41,508 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 621 [2019-10-07 15:06:42,430 WARN L191 SmtUtils]: Spent 919.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 15:06:44,132 WARN L191 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 1249 DAG size of output: 1247 [2019-10-07 15:06:45,058 WARN L191 SmtUtils]: Spent 920.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 15:06:45,319 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 621 [2019-10-07 15:06:46,232 WARN L191 SmtUtils]: Spent 911.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 15:06:47,158 WARN L191 SmtUtils]: Spent 922.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 15:06:48,087 WARN L191 SmtUtils]: Spent 925.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 15:06:48,314 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 621 [2019-10-07 15:06:49,237 WARN L191 SmtUtils]: Spent 921.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 15:06:51,820 WARN L191 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 1249 DAG size of output: 1247 [2019-10-07 15:06:52,742 WARN L191 SmtUtils]: Spent 918.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 15:06:52,974 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 621 [2019-10-07 15:06:53,880 WARN L191 SmtUtils]: Spent 904.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 15:06:55,546 WARN L191 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 1249 DAG size of output: 1247 [2019-10-07 15:06:56,461 WARN L191 SmtUtils]: Spent 910.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 15:06:56,702 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 621 [2019-10-07 15:06:57,627 WARN L191 SmtUtils]: Spent 923.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 15:06:58,540 WARN L191 SmtUtils]: Spent 909.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 15:06:59,452 WARN L191 SmtUtils]: Spent 909.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 15:06:59,684 WARN L191 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 621 [2019-10-07 15:07:00,590 WARN L191 SmtUtils]: Spent 904.00 ms on a formula simplification that was a NOOP. DAG size: 1247 [2019-10-07 15:07:02,212 WARN L191 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 1253 DAG size of output: 1249 [2019-10-07 15:07:03,137 WARN L191 SmtUtils]: Spent 921.00 ms on a formula simplification that was a NOOP. DAG size: 1249 [2019-10-07 15:07:03,374 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 624 [2019-10-07 15:07:04,293 WARN L191 SmtUtils]: Spent 916.00 ms on a formula simplification that was a NOOP. DAG size: 1251 [2019-10-07 15:07:05,231 WARN L191 SmtUtils]: Spent 920.00 ms on a formula simplification that was a NOOP. DAG size: 1251 [2019-10-07 15:07:06,148 WARN L191 SmtUtils]: Spent 913.00 ms on a formula simplification that was a NOOP. DAG size: 1251 [2019-10-07 15:07:06,387 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 624 [2019-10-07 15:07:07,312 WARN L191 SmtUtils]: Spent 923.00 ms on a formula simplification that was a NOOP. DAG size: 1251 [2019-10-07 15:07:08,889 WARN L191 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 1253 DAG size of output: 1249 [2019-10-07 15:07:09,796 WARN L191 SmtUtils]: Spent 904.00 ms on a formula simplification that was a NOOP. DAG size: 1249 [2019-10-07 15:07:10,025 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 624 [2019-10-07 15:07:10,938 WARN L191 SmtUtils]: Spent 911.00 ms on a formula simplification that was a NOOP. DAG size: 1251 [2019-10-07 15:07:12,519 WARN L191 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 1258 DAG size of output: 1251 [2019-10-07 15:07:13,436 WARN L191 SmtUtils]: Spent 913.00 ms on a formula simplification that was a NOOP. DAG size: 1251 [2019-10-07 15:07:13,700 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 624 [2019-10-07 15:07:14,611 WARN L191 SmtUtils]: Spent 909.00 ms on a formula simplification that was a NOOP. DAG size: 1251 [2019-10-07 15:07:16,182 WARN L191 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 1260 DAG size of output: 1253 [2019-10-07 15:07:17,113 WARN L191 SmtUtils]: Spent 926.00 ms on a formula simplification that was a NOOP. DAG size: 1253 [2019-10-07 15:07:17,353 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 624 [2019-10-07 15:07:18,271 WARN L191 SmtUtils]: Spent 916.00 ms on a formula simplification that was a NOOP. DAG size: 1253 [2019-10-07 15:07:18,537 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:07:18,539 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 15:07:18,546 INFO L168 Benchmark]: Toolchain (without parser) took 189607.96 ms. Allocated memory was 138.4 MB in the beginning and 727.2 MB in the end (delta: 588.8 MB). Free memory was 100.2 MB in the beginning and 312.2 MB in the end (delta: -212.0 MB). Peak memory consumption was 376.8 MB. Max. memory is 7.1 GB. [2019-10-07 15:07:18,546 INFO L168 Benchmark]: CDTParser took 1.34 ms. Allocated memory is still 138.4 MB. Free memory was 121.4 MB in the beginning and 121.2 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-10-07 15:07:18,547 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1177.91 ms. Allocated memory was 138.4 MB in the beginning and 203.4 MB in the end (delta: 65.0 MB). Free memory was 100.0 MB in the beginning and 133.6 MB in the end (delta: -33.6 MB). Peak memory consumption was 36.6 MB. Max. memory is 7.1 GB. [2019-10-07 15:07:18,548 INFO L168 Benchmark]: Boogie Preprocessor took 218.33 ms. Allocated memory is still 203.4 MB. Free memory was 133.6 MB in the beginning and 125.2 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 7.1 GB. [2019-10-07 15:07:18,548 INFO L168 Benchmark]: RCFGBuilder took 4917.51 ms. Allocated memory was 203.4 MB in the beginning and 299.9 MB in the end (delta: 96.5 MB). Free memory was 124.5 MB in the beginning and 250.4 MB in the end (delta: -126.0 MB). Peak memory consumption was 144.9 MB. Max. memory is 7.1 GB. [2019-10-07 15:07:18,549 INFO L168 Benchmark]: TraceAbstraction took 183289.50 ms. Allocated memory was 299.9 MB in the beginning and 727.2 MB in the end (delta: 427.3 MB). Free memory was 250.3 MB in the beginning and 312.2 MB in the end (delta: -61.9 MB). Peak memory consumption was 365.4 MB. Max. memory is 7.1 GB. [2019-10-07 15:07:18,552 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.34 ms. Allocated memory is still 138.4 MB. Free memory was 121.4 MB in the beginning and 121.2 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1177.91 ms. Allocated memory was 138.4 MB in the beginning and 203.4 MB in the end (delta: 65.0 MB). Free memory was 100.0 MB in the beginning and 133.6 MB in the end (delta: -33.6 MB). Peak memory consumption was 36.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 218.33 ms. Allocated memory is still 203.4 MB. Free memory was 133.6 MB in the beginning and 125.2 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4917.51 ms. Allocated memory was 203.4 MB in the beginning and 299.9 MB in the end (delta: 96.5 MB). Free memory was 124.5 MB in the beginning and 250.4 MB in the end (delta: -126.0 MB). Peak memory consumption was 144.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 183289.50 ms. Allocated memory was 299.9 MB in the beginning and 727.2 MB in the end (delta: 427.3 MB). Free memory was 250.3 MB in the beginning and 312.2 MB in the end (delta: -61.9 MB). Peak memory consumption was 365.4 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...