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_spec6_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:03:08,550 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:03:08,553 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:03:08,573 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:03:08,573 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:03:08,575 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:03:08,577 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:03:08,581 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:03:08,585 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:03:08,586 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:03:08,590 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:03:08,591 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:03:08,591 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:03:08,592 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:03:08,593 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:03:08,594 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:03:08,595 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:03:08,596 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:03:08,597 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:03:08,602 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:03:08,604 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:03:08,605 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:03:08,606 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:03:08,606 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:03:08,609 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:03:08,609 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:03:08,609 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:03:08,610 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:03:08,610 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:03:08,611 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:03:08,612 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:03:08,612 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:03:08,613 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:03:08,614 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:03:08,615 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:03:08,615 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:03:08,616 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:03:08,616 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:03:08,616 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:03:08,617 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:03:08,618 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:03:08,619 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 15:03:08,637 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:03:08,638 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:03:08,640 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:03:08,640 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:03:08,640 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:03:08,640 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:03:08,641 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:03:08,641 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:03:08,641 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:03:08,641 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:03:08,641 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:03:08,642 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:03:08,642 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:03:08,642 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:03:08,643 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:03:08,643 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:03:08,644 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:03:08,644 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:03:08,644 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:03:08,644 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:03:08,646 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:03:08,646 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:03:08,646 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:03:08,646 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:03:08,646 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:03:08,647 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:03:08,647 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:03:08,647 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:03:08,647 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 15:03:08,917 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:03:08,934 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:03:08,939 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:03:08,940 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:03:08,941 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:03:08,941 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec6_productSimulator.cil.c [2019-10-07 15:03:09,015 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6919bb9c8/e8297a004ec544359fd6c76108383a96/FLAGf05ee64d5 [2019-10-07 15:03:09,785 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:03:09,786 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec6_productSimulator.cil.c [2019-10-07 15:03:09,822 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6919bb9c8/e8297a004ec544359fd6c76108383a96/FLAGf05ee64d5 [2019-10-07 15:03:09,908 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6919bb9c8/e8297a004ec544359fd6c76108383a96 [2019-10-07 15:03:09,920 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:03:09,925 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:03:09,927 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:03:09,927 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:03:09,931 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:03:09,932 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:03:09" (1/1) ... [2019-10-07 15:03:09,936 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5427eb53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:03:09, skipping insertion in model container [2019-10-07 15:03:09,936 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:03:09" (1/1) ... [2019-10-07 15:03:09,947 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:03:10,043 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:03:10,855 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:03:10,874 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:03:11,067 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:03:11,302 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:03:11,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:03:11 WrapperNode [2019-10-07 15:03:11,303 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:03:11,304 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:03:11,304 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:03:11,305 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:03:11,323 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:03:11" (1/1) ... [2019-10-07 15:03:11,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:03:11" (1/1) ... [2019-10-07 15:03:11,393 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:03:11" (1/1) ... [2019-10-07 15:03:11,397 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:03:11" (1/1) ... [2019-10-07 15:03:11,474 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:03:11" (1/1) ... [2019-10-07 15:03:11,513 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:03:11" (1/1) ... [2019-10-07 15:03:11,532 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:03:11" (1/1) ... [2019-10-07 15:03:11,551 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:03:11,551 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:03:11,551 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:03:11,551 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:03:11,552 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:03:11" (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 15:03:11,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:03:11,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:03:11,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:03:11,620 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptDecrypt_spec__1 [2019-10-07 15:03:11,620 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptDecrypt_spec__2 [2019-10-07 15:03:11,621 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:03:11,621 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:03:11,621 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:03:11,621 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:03:11,622 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:03:11,622 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:03:11,622 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Encrypt [2019-10-07 15:03:11,622 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Encrypt [2019-10-07 15:03:11,623 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Sign [2019-10-07 15:03:11,623 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Sign [2019-10-07 15:03:11,623 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Verify [2019-10-07 15:03:11,623 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Verify [2019-10-07 15:03:11,624 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-07 15:03:11,624 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__before__Encrypt [2019-10-07 15:03:11,624 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__role__Encrypt [2019-10-07 15:03:11,625 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-07 15:03:11,625 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-07 15:03:11,625 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-07 15:03:11,625 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:03:11,626 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:03:11,626 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:03:11,626 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:03:11,626 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:03:11,626 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-07 15:03:11,627 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-07 15:03:11,627 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-07 15:03:11,627 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-07 15:03:11,627 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-07 15:03:11,627 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-07 15:03:11,628 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-07 15:03:11,628 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-07 15:03:11,628 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-07 15:03:11,628 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-07 15:03:11,628 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-07 15:03:11,629 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-07 15:03:11,629 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-07 15:03:11,629 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-07 15:03:11,629 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-07 15:03:11,629 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-07 15:03:11,630 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-07 15:03:11,630 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-07 15:03:11,630 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-07 15:03:11,630 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-07 15:03:11,630 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-07 15:03:11,630 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-07 15:03:11,631 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-07 15:03:11,631 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-07 15:03:11,631 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-07 15:03:11,631 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-07 15:03:11,631 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-07 15:03:11,632 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-07 15:03:11,632 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-07 15:03:11,632 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-07 15:03:11,632 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:03:11,632 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__before__Keys [2019-10-07 15:03:11,633 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__role__Keys [2019-10-07 15:03:11,633 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-07 15:03:11,633 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__before__Keys [2019-10-07 15:03:11,633 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__role__Keys [2019-10-07 15:03:11,633 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-07 15:03:11,634 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__before__Keys [2019-10-07 15:03:11,634 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__role__Keys [2019-10-07 15:03:11,634 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-07 15:03:11,634 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-07 15:03:11,634 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-07 15:03:11,635 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:03:11,635 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:03:11,635 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-07 15:03:11,635 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-07 15:03:11,635 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-07 15:03:11,636 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-07 15:03:11,636 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-07 15:03:11,636 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-07 15:03:11,636 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-07 15:03:11,636 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-07 15:03:11,659 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-07 15:03:11,659 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-07 15:03:11,659 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-07 15:03:11,659 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-07 15:03:11,659 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-07 15:03:11,659 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-07 15:03:11,660 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-07 15:03:11,660 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-07 15:03:11,660 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-07 15:03:11,660 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-07 15:03:11,660 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-07 15:03:11,660 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-07 15:03:11,661 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-07 15:03:11,661 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-07 15:03:11,661 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-07 15:03:11,661 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-07 15:03:11,661 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-07 15:03:11,661 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-07 15:03:11,661 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-07 15:03:11,662 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-07 15:03:11,662 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-07 15:03:11,662 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-07 15:03:11,662 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-07 15:03:11,662 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-07 15:03:11,662 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-07 15:03:11,663 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-07 15:03:11,663 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Encrypt [2019-10-07 15:03:11,663 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Encrypt [2019-10-07 15:03:11,663 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__AddressBook [2019-10-07 15:03:11,663 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__AddressBook [2019-10-07 15:03:11,663 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Sign [2019-10-07 15:03:11,664 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Sign [2019-10-07 15:03:11,664 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-07 15:03:11,664 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-07 15:03:11,664 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__AutoResponder [2019-10-07 15:03:11,664 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__AutoResponder [2019-10-07 15:03:11,664 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Forward [2019-10-07 15:03:11,664 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Forward [2019-10-07 15:03:11,665 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Verify [2019-10-07 15:03:11,665 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Verify [2019-10-07 15:03:11,665 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Decrypt [2019-10-07 15:03:11,665 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Decrypt [2019-10-07 15:03:11,665 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-07 15:03:11,665 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-07 15:03:11,666 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-07 15:03:11,666 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-07 15:03:11,666 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-07 15:03:11,666 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-07 15:03:11,666 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-07 15:03:11,666 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-07 15:03:11,666 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-07 15:03:11,667 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-07 15:03:11,667 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-07 15:03:11,668 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-07 15:03:11,671 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-07 15:03:11,671 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-07 15:03:11,672 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:03:11,672 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:03:11,672 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:03:11,672 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-07 15:03:11,673 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-07 15:03:11,673 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-07 15:03:11,673 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-07 15:03:11,673 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:03:11,679 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-07 15:03:11,679 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptDecrypt_spec__1 [2019-10-07 15:03:11,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:03:11,680 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptDecrypt_spec__2 [2019-10-07 15:03:11,680 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:03:11,680 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:03:11,681 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:03:11,681 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:03:11,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:03:11,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:03:11,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:03:11,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:03:11,682 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:03:11,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:03:11,682 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:03:11,682 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:03:11,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:03:11,682 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:03:11,682 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:03:11,683 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:03:11,683 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-07 15:03:11,683 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-07 15:03:11,683 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-07 15:03:11,683 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-07 15:03:11,683 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-07 15:03:11,683 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-07 15:03:11,683 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-07 15:03:11,684 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-07 15:03:11,684 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-07 15:03:11,684 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-07 15:03:11,684 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-07 15:03:11,684 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-07 15:03:11,684 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Encrypt [2019-10-07 15:03:11,684 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Encrypt [2019-10-07 15:03:11,684 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Sign [2019-10-07 15:03:11,685 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Sign [2019-10-07 15:03:11,685 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Verify [2019-10-07 15:03:11,685 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Verify [2019-10-07 15:03:11,685 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__before__Encrypt [2019-10-07 15:03:11,685 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__role__Encrypt [2019-10-07 15:03:11,685 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:03:11,685 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:03:11,685 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:03:11,686 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:03:11,686 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-07 15:03:11,686 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-07 15:03:11,686 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-07 15:03:11,686 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-07 15:03:11,686 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-07 15:03:11,686 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-07 15:03:11,686 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-07 15:03:11,687 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-07 15:03:11,687 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-07 15:03:11,687 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-07 15:03:11,687 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-07 15:03:11,687 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-07 15:03:11,687 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-07 15:03:11,687 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-07 15:03:11,687 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-07 15:03:11,688 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-07 15:03:11,688 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-07 15:03:11,688 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-07 15:03:11,688 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-07 15:03:11,688 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-07 15:03:11,690 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-07 15:03:11,690 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-07 15:03:11,690 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-07 15:03:11,690 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-07 15:03:11,690 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-07 15:03:11,690 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-07 15:03:11,691 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-07 15:03:11,691 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-07 15:03:11,691 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-07 15:03:11,691 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-07 15:03:11,691 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-07 15:03:11,691 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-07 15:03:11,691 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-07 15:03:11,692 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-07 15:03:11,692 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-07 15:03:11,692 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-07 15:03:11,692 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-07 15:03:11,692 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-07 15:03:11,692 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-07 15:03:11,692 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-07 15:03:11,693 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:03:11,693 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-07 15:03:11,693 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-07 15:03:11,693 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-07 15:03:11,693 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-07 15:03:11,693 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-07 15:03:11,693 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-07 15:03:11,694 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-07 15:03:11,694 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-07 15:03:11,694 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-07 15:03:11,694 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-07 15:03:11,694 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:03:11,694 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:03:11,694 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-07 15:03:11,694 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-07 15:03:11,695 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__before__Keys [2019-10-07 15:03:11,695 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__role__Keys [2019-10-07 15:03:11,695 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__before__Keys [2019-10-07 15:03:11,695 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__role__Keys [2019-10-07 15:03:11,695 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__before__Keys [2019-10-07 15:03:11,695 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__role__Keys [2019-10-07 15:03:11,695 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-07 15:03:11,696 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-07 15:03:11,696 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-07 15:03:11,696 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-07 15:03:11,696 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-07 15:03:11,696 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-07 15:03:11,696 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-07 15:03:11,696 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-07 15:03:11,697 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-07 15:03:11,697 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-07 15:03:11,697 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-07 15:03:11,698 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-07 15:03:11,702 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-07 15:03:11,702 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-07 15:03:11,703 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-07 15:03:11,703 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-07 15:03:11,703 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-07 15:03:11,703 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-07 15:03:11,703 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-07 15:03:11,704 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-07 15:03:11,704 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-07 15:03:11,704 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Encrypt [2019-10-07 15:03:11,704 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Encrypt [2019-10-07 15:03:11,707 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__AddressBook [2019-10-07 15:03:11,707 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__AddressBook [2019-10-07 15:03:11,708 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Sign [2019-10-07 15:03:11,708 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Sign [2019-10-07 15:03:11,708 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__AutoResponder [2019-10-07 15:03:11,708 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__AutoResponder [2019-10-07 15:03:11,709 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Forward [2019-10-07 15:03:11,709 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Forward [2019-10-07 15:03:11,709 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Verify [2019-10-07 15:03:11,709 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Verify [2019-10-07 15:03:11,709 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Decrypt [2019-10-07 15:03:11,709 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Decrypt [2019-10-07 15:03:11,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:03:11,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:03:11,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:03:16,844 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:03:16,844 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-07 15:03:16,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:03:16 BoogieIcfgContainer [2019-10-07 15:03:16,846 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:03:16,848 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:03:16,848 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:03:16,851 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:03:16,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:03:09" (1/3) ... [2019-10-07 15:03:16,852 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a88df6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:03:16, skipping insertion in model container [2019-10-07 15:03:16,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:03:11" (2/3) ... [2019-10-07 15:03:16,853 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a88df6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:03:16, skipping insertion in model container [2019-10-07 15:03:16,853 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:03:16" (3/3) ... [2019-10-07 15:03:16,855 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec6_productSimulator.cil.c [2019-10-07 15:03:16,866 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:03:16,877 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:03:16,889 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:03:16,942 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:03:16,943 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:03:16,943 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:03:16,943 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:03:16,943 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:03:16,943 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:03:16,943 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:03:16,944 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:03:16,990 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states. [2019-10-07 15:03:17,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2019-10-07 15:03:17,026 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:03:17,028 INFO L385 BasicCegarLoop]: trace histogram [8, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:03:17,031 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:03:17,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:03:17,040 INFO L82 PathProgramCache]: Analyzing trace with hash -447770392, now seen corresponding path program 1 times [2019-10-07 15:03:17,051 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:03:17,052 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:03:17,052 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:03:17,052 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:03:17,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:03:17,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:03:17,812 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-10-07 15:03:17,812 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:03:17,813 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:03:17,813 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 15:03:17,818 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 15:03:17,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 15:03:17,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 15:03:17,837 INFO L87 Difference]: Start difference. First operand 614 states. Second operand 6 states. [2019-10-07 15:03:18,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:03:18,071 INFO L93 Difference]: Finished difference Result 1150 states and 1445 transitions. [2019-10-07 15:03:18,074 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 15:03:18,076 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 162 [2019-10-07 15:03:18,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:03:18,115 INFO L225 Difference]: With dead ends: 1150 [2019-10-07 15:03:18,115 INFO L226 Difference]: Without dead ends: 587 [2019-10-07 15:03:18,128 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-07 15:03:18,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2019-10-07 15:03:18,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 587. [2019-10-07 15:03:18,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 587 states. [2019-10-07 15:03:18,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 724 transitions. [2019-10-07 15:03:18,318 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 724 transitions. Word has length 162 [2019-10-07 15:03:18,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:03:18,320 INFO L462 AbstractCegarLoop]: Abstraction has 587 states and 724 transitions. [2019-10-07 15:03:18,320 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 15:03:18,321 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 724 transitions. [2019-10-07 15:03:18,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2019-10-07 15:03:18,326 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:03:18,326 INFO L385 BasicCegarLoop]: trace histogram [8, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:03:18,327 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:03:18,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:03:18,327 INFO L82 PathProgramCache]: Analyzing trace with hash 1701865309, now seen corresponding path program 1 times [2019-10-07 15:03:18,327 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:03:18,328 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:03:18,328 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:03:18,328 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:03:18,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:03:18,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:03:18,585 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2019-10-07 15:03:18,586 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:03:18,586 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:03:18,586 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-07 15:03:18,588 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-07 15:03:18,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-07 15:03:18,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-07 15:03:18,589 INFO L87 Difference]: Start difference. First operand 587 states and 724 transitions. Second operand 4 states. [2019-10-07 15:03:19,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:03:19,581 INFO L93 Difference]: Finished difference Result 1140 states and 1436 transitions. [2019-10-07 15:03:19,582 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-07 15:03:19,582 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 168 [2019-10-07 15:03:19,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:03:19,587 INFO L225 Difference]: With dead ends: 1140 [2019-10-07 15:03:19,587 INFO L226 Difference]: Without dead ends: 585 [2019-10-07 15:03:19,590 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-07 15:03:19,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 585 states. [2019-10-07 15:03:19,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 585 to 585. [2019-10-07 15:03:19,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 585 states. [2019-10-07 15:03:19,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 585 states and 713 transitions. [2019-10-07 15:03:19,633 INFO L78 Accepts]: Start accepts. Automaton has 585 states and 713 transitions. Word has length 168 [2019-10-07 15:03:19,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:03:19,633 INFO L462 AbstractCegarLoop]: Abstraction has 585 states and 713 transitions. [2019-10-07 15:03:19,634 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-07 15:03:19,634 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 713 transitions. [2019-10-07 15:03:19,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2019-10-07 15:03:19,638 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:03:19,639 INFO L385 BasicCegarLoop]: trace histogram [8, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:03:19,639 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:03:19,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:03:19,641 INFO L82 PathProgramCache]: Analyzing trace with hash -1506745485, now seen corresponding path program 1 times [2019-10-07 15:03:19,642 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:03:19,642 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:03:19,642 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:03:19,642 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:03:19,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:03:19,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:03:19,926 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-10-07 15:03:19,927 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:03:19,927 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:03:19,928 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:03:19,929 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:03:19,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:03:19,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:03:19,930 INFO L87 Difference]: Start difference. First operand 585 states and 713 transitions. Second operand 3 states. [2019-10-07 15:03:20,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:03:20,131 INFO L93 Difference]: Finished difference Result 1133 states and 1395 transitions. [2019-10-07 15:03:20,131 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:03:20,132 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 181 [2019-10-07 15:03:20,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:03:20,139 INFO L225 Difference]: With dead ends: 1133 [2019-10-07 15:03:20,139 INFO L226 Difference]: Without dead ends: 584 [2019-10-07 15:03:20,142 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 15:03:20,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2019-10-07 15:03:20,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 584. [2019-10-07 15:03:20,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 584 states. [2019-10-07 15:03:20,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 584 states and 709 transitions. [2019-10-07 15:03:20,196 INFO L78 Accepts]: Start accepts. Automaton has 584 states and 709 transitions. Word has length 181 [2019-10-07 15:03:20,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:03:20,197 INFO L462 AbstractCegarLoop]: Abstraction has 584 states and 709 transitions. [2019-10-07 15:03:20,197 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:03:20,197 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 709 transitions. [2019-10-07 15:03:20,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2019-10-07 15:03:20,204 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:03:20,204 INFO L385 BasicCegarLoop]: trace histogram [8, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:03:20,205 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:03:20,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:03:20,205 INFO L82 PathProgramCache]: Analyzing trace with hash 788594452, now seen corresponding path program 1 times [2019-10-07 15:03:20,205 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:03:20,206 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:03:20,206 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:03:20,206 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:03:20,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:03:20,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:03:20,406 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-10-07 15:03:20,406 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:03:20,406 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:03:20,406 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-07 15:03:20,408 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-07 15:03:20,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-07 15:03:20,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-07 15:03:20,409 INFO L87 Difference]: Start difference. First operand 584 states and 709 transitions. Second operand 4 states. [2019-10-07 15:03:21,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:03:21,229 INFO L93 Difference]: Finished difference Result 1105 states and 1342 transitions. [2019-10-07 15:03:21,229 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-07 15:03:21,230 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 182 [2019-10-07 15:03:21,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:03:21,234 INFO L225 Difference]: With dead ends: 1105 [2019-10-07 15:03:21,234 INFO L226 Difference]: Without dead ends: 581 [2019-10-07 15:03:21,236 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-07 15:03:21,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2019-10-07 15:03:21,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 581. [2019-10-07 15:03:21,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 581 states. [2019-10-07 15:03:21,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 581 states and 692 transitions. [2019-10-07 15:03:21,268 INFO L78 Accepts]: Start accepts. Automaton has 581 states and 692 transitions. Word has length 182 [2019-10-07 15:03:21,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:03:21,269 INFO L462 AbstractCegarLoop]: Abstraction has 581 states and 692 transitions. [2019-10-07 15:03:21,269 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-07 15:03:21,269 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 692 transitions. [2019-10-07 15:03:21,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2019-10-07 15:03:21,272 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:03:21,272 INFO L385 BasicCegarLoop]: trace histogram [8, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:03:21,273 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:03:21,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:03:21,273 INFO L82 PathProgramCache]: Analyzing trace with hash -2064283910, now seen corresponding path program 1 times [2019-10-07 15:03:21,273 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:03:21,274 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:03:21,274 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:03:21,274 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:03:21,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:03:21,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:03:21,460 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2019-10-07 15:03:21,461 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:03:21,461 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:03:21,461 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:03:21,462 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:03:21,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:03:21,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:03:21,463 INFO L87 Difference]: Start difference. First operand 581 states and 692 transitions. Second operand 3 states. [2019-10-07 15:03:21,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:03:21,500 INFO L93 Difference]: Finished difference Result 917 states and 1086 transitions. [2019-10-07 15:03:21,501 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:03:21,501 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 203 [2019-10-07 15:03:21,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:03:21,505 INFO L225 Difference]: With dead ends: 917 [2019-10-07 15:03:21,505 INFO L226 Difference]: Without dead ends: 583 [2019-10-07 15:03:21,507 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 15:03:21,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 583 states. [2019-10-07 15:03:21,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 583 to 583. [2019-10-07 15:03:21,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 583 states. [2019-10-07 15:03:21,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 583 states and 694 transitions. [2019-10-07 15:03:21,540 INFO L78 Accepts]: Start accepts. Automaton has 583 states and 694 transitions. Word has length 203 [2019-10-07 15:03:21,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:03:21,541 INFO L462 AbstractCegarLoop]: Abstraction has 583 states and 694 transitions. [2019-10-07 15:03:21,541 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:03:21,541 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 694 transitions. [2019-10-07 15:03:21,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2019-10-07 15:03:21,545 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:03:21,545 INFO L385 BasicCegarLoop]: trace histogram [8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:03:21,545 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:03:21,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:03:21,546 INFO L82 PathProgramCache]: Analyzing trace with hash -1698259275, now seen corresponding path program 1 times [2019-10-07 15:03:21,546 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:03:21,546 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:03:21,547 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:03:21,547 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:03:21,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:03:21,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:03:21,713 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2019-10-07 15:03:21,714 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:03:21,714 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:03:21,714 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:03:21,715 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:03:21,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:03:21,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:03:21,715 INFO L87 Difference]: Start difference. First operand 583 states and 694 transitions. Second operand 3 states. [2019-10-07 15:03:21,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:03:21,760 INFO L93 Difference]: Finished difference Result 1114 states and 1357 transitions. [2019-10-07 15:03:21,762 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:03:21,763 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 210 [2019-10-07 15:03:21,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:03:21,768 INFO L225 Difference]: With dead ends: 1114 [2019-10-07 15:03:21,769 INFO L226 Difference]: Without dead ends: 637 [2019-10-07 15:03:21,771 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 15:03:21,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2019-10-07 15:03:21,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 636. [2019-10-07 15:03:21,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 636 states. [2019-10-07 15:03:21,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 636 states and 781 transitions. [2019-10-07 15:03:21,826 INFO L78 Accepts]: Start accepts. Automaton has 636 states and 781 transitions. Word has length 210 [2019-10-07 15:03:21,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:03:21,827 INFO L462 AbstractCegarLoop]: Abstraction has 636 states and 781 transitions. [2019-10-07 15:03:21,827 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:03:21,827 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 781 transitions. [2019-10-07 15:03:21,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2019-10-07 15:03:21,832 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:03:21,832 INFO L385 BasicCegarLoop]: trace histogram [8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:03:21,833 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:03:21,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:03:21,833 INFO L82 PathProgramCache]: Analyzing trace with hash 729572785, now seen corresponding path program 1 times [2019-10-07 15:03:21,833 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:03:21,834 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:03:21,834 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:03:21,834 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:03:21,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:03:21,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:03:22,549 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2019-10-07 15:03:22,550 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:03:22,550 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:03:22,550 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2019-10-07 15:03:22,551 INFO L442 AbstractCegarLoop]: Interpolant automaton has 28 states [2019-10-07 15:03:22,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2019-10-07 15:03:22,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=683, Unknown=0, NotChecked=0, Total=756 [2019-10-07 15:03:22,552 INFO L87 Difference]: Start difference. First operand 636 states and 781 transitions. Second operand 28 states. [2019-10-07 15:03:39,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:03:39,886 INFO L93 Difference]: Finished difference Result 1933 states and 2418 transitions. [2019-10-07 15:03:39,886 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2019-10-07 15:03:39,886 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 211 [2019-10-07 15:03:39,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:03:39,896 INFO L225 Difference]: With dead ends: 1933 [2019-10-07 15:03:39,897 INFO L226 Difference]: Without dead ends: 1607 [2019-10-07 15:03:39,900 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 880 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=487, Invalid=3673, Unknown=0, NotChecked=0, Total=4160 [2019-10-07 15:03:39,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1607 states. [2019-10-07 15:03:39,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1607 to 1594. [2019-10-07 15:03:39,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1594 states. [2019-10-07 15:03:39,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1594 states to 1594 states and 1957 transitions. [2019-10-07 15:03:39,995 INFO L78 Accepts]: Start accepts. Automaton has 1594 states and 1957 transitions. Word has length 211 [2019-10-07 15:03:39,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:03:39,996 INFO L462 AbstractCegarLoop]: Abstraction has 1594 states and 1957 transitions. [2019-10-07 15:03:39,996 INFO L463 AbstractCegarLoop]: Interpolant automaton has 28 states. [2019-10-07 15:03:39,996 INFO L276 IsEmpty]: Start isEmpty. Operand 1594 states and 1957 transitions. [2019-10-07 15:03:40,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2019-10-07 15:03:40,000 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:03:40,001 INFO L385 BasicCegarLoop]: trace histogram [8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:03:40,001 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:03:40,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:03:40,002 INFO L82 PathProgramCache]: Analyzing trace with hash -1258354345, now seen corresponding path program 1 times [2019-10-07 15:03:40,002 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:03:40,002 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:03:40,002 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:03:40,002 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:03:40,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:03:40,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:03:40,725 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2019-10-07 15:03:40,726 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:03:40,726 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:03:40,726 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2019-10-07 15:03:40,727 INFO L442 AbstractCegarLoop]: Interpolant automaton has 30 states [2019-10-07 15:03:40,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2019-10-07 15:03:40,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=791, Unknown=0, NotChecked=0, Total=870 [2019-10-07 15:03:40,728 INFO L87 Difference]: Start difference. First operand 1594 states and 1957 transitions. Second operand 30 states. [2019-10-07 15:03:57,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:03:57,541 INFO L93 Difference]: Finished difference Result 2898 states and 3560 transitions. [2019-10-07 15:03:57,542 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2019-10-07 15:03:57,542 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 218 [2019-10-07 15:03:57,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:03:57,560 INFO L225 Difference]: With dead ends: 2898 [2019-10-07 15:03:57,560 INFO L226 Difference]: Without dead ends: 1659 [2019-10-07 15:03:57,566 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 946 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=509, Invalid=4047, Unknown=0, NotChecked=0, Total=4556 [2019-10-07 15:03:57,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1659 states. [2019-10-07 15:03:57,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1659 to 1642. [2019-10-07 15:03:57,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1642 states. [2019-10-07 15:03:57,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1642 states to 1642 states and 2031 transitions. [2019-10-07 15:03:57,651 INFO L78 Accepts]: Start accepts. Automaton has 1642 states and 2031 transitions. Word has length 218 [2019-10-07 15:03:57,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:03:57,652 INFO L462 AbstractCegarLoop]: Abstraction has 1642 states and 2031 transitions. [2019-10-07 15:03:57,652 INFO L463 AbstractCegarLoop]: Interpolant automaton has 30 states. [2019-10-07 15:03:57,652 INFO L276 IsEmpty]: Start isEmpty. Operand 1642 states and 2031 transitions. [2019-10-07 15:03:57,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2019-10-07 15:03:57,657 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:03:57,657 INFO L385 BasicCegarLoop]: trace histogram [8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:03:57,657 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:03:57,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:03:57,658 INFO L82 PathProgramCache]: Analyzing trace with hash 2102940807, now seen corresponding path program 1 times [2019-10-07 15:03:57,658 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:03:57,658 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:03:57,658 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:03:57,658 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:03:57,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:03:57,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:03:58,212 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2019-10-07 15:03:58,212 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:03:58,213 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:03:58,213 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2019-10-07 15:03:58,214 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-10-07 15:03:58,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-10-07 15:03:58,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2019-10-07 15:03:58,215 INFO L87 Difference]: Start difference. First operand 1642 states and 2031 transitions. Second operand 18 states. [2019-10-07 15:04:05,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:04:05,577 INFO L93 Difference]: Finished difference Result 3746 states and 4609 transitions. [2019-10-07 15:04:05,577 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-10-07 15:04:05,577 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 217 [2019-10-07 15:04:05,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:04:05,604 INFO L225 Difference]: With dead ends: 3746 [2019-10-07 15:04:05,604 INFO L226 Difference]: Without dead ends: 3123 [2019-10-07 15:04:05,609 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 175 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=159, Invalid=963, Unknown=0, NotChecked=0, Total=1122 [2019-10-07 15:04:05,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3123 states. [2019-10-07 15:04:05,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3123 to 3074. [2019-10-07 15:04:05,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3074 states. [2019-10-07 15:04:05,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3074 states to 3074 states and 3800 transitions. [2019-10-07 15:04:05,815 INFO L78 Accepts]: Start accepts. Automaton has 3074 states and 3800 transitions. Word has length 217 [2019-10-07 15:04:05,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:04:05,817 INFO L462 AbstractCegarLoop]: Abstraction has 3074 states and 3800 transitions. [2019-10-07 15:04:05,817 INFO L463 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-10-07 15:04:05,817 INFO L276 IsEmpty]: Start isEmpty. Operand 3074 states and 3800 transitions. [2019-10-07 15:04:05,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2019-10-07 15:04:05,822 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:04:05,823 INFO L385 BasicCegarLoop]: trace histogram [8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:04:05,823 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:04:05,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:04:05,823 INFO L82 PathProgramCache]: Analyzing trace with hash 998560160, now seen corresponding path program 1 times [2019-10-07 15:04:05,824 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:04:05,824 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:04:05,824 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:04:05,824 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:04:05,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:04:05,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:04:06,003 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2019-10-07 15:04:06,004 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:04:06,004 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:04:06,004 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:04:06,005 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:04:06,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:04:06,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:04:06,005 INFO L87 Difference]: Start difference. First operand 3074 states and 3800 transitions. Second operand 3 states. [2019-10-07 15:04:06,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:04:06,280 INFO L93 Difference]: Finished difference Result 8743 states and 11432 transitions. [2019-10-07 15:04:06,280 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:04:06,280 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 222 [2019-10-07 15:04:06,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:04:06,320 INFO L225 Difference]: With dead ends: 8743 [2019-10-07 15:04:06,320 INFO L226 Difference]: Without dead ends: 5710 [2019-10-07 15:04:06,335 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 15:04:06,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5710 states. [2019-10-07 15:04:06,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5710 to 5703. [2019-10-07 15:04:06,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5703 states. [2019-10-07 15:04:06,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5703 states to 5703 states and 7235 transitions. [2019-10-07 15:04:06,826 INFO L78 Accepts]: Start accepts. Automaton has 5703 states and 7235 transitions. Word has length 222 [2019-10-07 15:04:06,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:04:06,827 INFO L462 AbstractCegarLoop]: Abstraction has 5703 states and 7235 transitions. [2019-10-07 15:04:06,827 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:04:06,827 INFO L276 IsEmpty]: Start isEmpty. Operand 5703 states and 7235 transitions. [2019-10-07 15:04:06,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2019-10-07 15:04:06,834 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:04:06,834 INFO L385 BasicCegarLoop]: trace histogram [8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:04:06,834 INFO L410 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:04:06,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:04:06,835 INFO L82 PathProgramCache]: Analyzing trace with hash 1113531309, now seen corresponding path program 1 times [2019-10-07 15:04:06,835 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:04:06,835 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:04:06,835 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:04:06,836 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:04:06,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:04:06,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:04:07,704 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2019-10-07 15:04:07,705 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:04:07,705 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:04:07,705 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 15:04:08,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:04:08,385 INFO L256 TraceCheckSpWp]: Trace formula consists of 3517 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-07 15:04:08,415 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:04:08,569 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2019-10-07 15:04:08,569 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:04:08,970 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2019-10-07 15:04:08,970 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 15:04:09,004 INFO L162 IcfgInterpreter]: Started Sifa with 197 locations of interest [2019-10-07 15:04:09,004 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 15:04:09,011 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 15:04:09,018 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 15:04:09,019 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 15:06:25,526 WARN L191 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 743 [2019-10-07 15:06:31,170 WARN L191 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 388 DAG size of output: 315 [2019-10-07 15:06:31,694 WARN L191 SmtUtils]: Spent 513.00 ms on a formula simplification that was a NOOP. DAG size: 799 [2019-10-07 15:06:32,249 WARN L191 SmtUtils]: Spent 548.00 ms on a formula simplification that was a NOOP. DAG size: 799 [2019-10-07 15:06:32,785 WARN L191 SmtUtils]: Spent 528.00 ms on a formula simplification that was a NOOP. DAG size: 799 [2019-10-07 15:06:33,071 WARN L191 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 463 [2019-10-07 15:06:33,890 WARN L191 SmtUtils]: Spent 817.00 ms on a formula simplification that was a NOOP. DAG size: 1106 [2019-10-07 15:06:34,711 WARN L191 SmtUtils]: Spent 781.00 ms on a formula simplification that was a NOOP. DAG size: 1106 [2019-10-07 15:06:35,451 WARN L191 SmtUtils]: Spent 734.00 ms on a formula simplification that was a NOOP. DAG size: 1106 [2019-10-07 15:06:35,616 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 463 [2019-10-07 15:06:36,406 WARN L191 SmtUtils]: Spent 788.00 ms on a formula simplification that was a NOOP. DAG size: 1106 [2019-10-07 15:06:37,860 WARN L191 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 1108 DAG size of output: 1106 [2019-10-07 15:06:38,652 WARN L191 SmtUtils]: Spent 788.00 ms on a formula simplification that was a NOOP. DAG size: 1106 [2019-10-07 15:06:38,800 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 463 [2019-10-07 15:06:39,526 WARN L191 SmtUtils]: Spent 723.00 ms on a formula simplification that was a NOOP. DAG size: 1106 [2019-10-07 15:06:40,302 WARN L191 SmtUtils]: Spent 773.00 ms on a formula simplification that was a NOOP. DAG size: 1106 [2019-10-07 15:06:41,009 WARN L191 SmtUtils]: Spent 703.00 ms on a formula simplification that was a NOOP. DAG size: 1106 [2019-10-07 15:06:41,218 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 463 [2019-10-07 15:06:41,933 WARN L191 SmtUtils]: Spent 713.00 ms on a formula simplification that was a NOOP. DAG size: 1106 [2019-10-07 15:06:41,965 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 589 for LOIs [2019-10-07 15:06:42,285 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 704 [2019-10-07 15:06:42,409 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 704 [2019-10-07 15:06:42,542 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 463 [2019-10-07 15:06:43,113 WARN L191 SmtUtils]: Spent 569.00 ms on a formula simplification that was a NOOP. DAG size: 1011 [2019-10-07 15:06:43,116 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1175 for LOIs [2019-10-07 15:06:43,800 WARN L191 SmtUtils]: Spent 683.00 ms on a formula simplification that was a NOOP. DAG size: 1175 [2019-10-07 15:06:44,561 WARN L191 SmtUtils]: Spent 757.00 ms on a formula simplification that was a NOOP. DAG size: 1175 [2019-10-07 15:06:44,870 WARN L191 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 701 [2019-10-07 15:06:46,158 WARN L191 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 1422 [2019-10-07 15:06:46,868 WARN L191 SmtUtils]: Spent 697.00 ms on a formula simplification that was a NOOP. DAG size: 1175 [2019-10-07 15:06:47,549 WARN L191 SmtUtils]: Spent 677.00 ms on a formula simplification that was a NOOP. DAG size: 1175 [2019-10-07 15:06:48,222 WARN L191 SmtUtils]: Spent 663.00 ms on a formula simplification that was a NOOP. DAG size: 701 [2019-10-07 15:06:49,457 WARN L191 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 1422 [2019-10-07 15:06:50,767 WARN L191 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 1177 [2019-10-07 15:06:51,452 WARN L191 SmtUtils]: Spent 682.00 ms on a formula simplification that was a NOOP. DAG size: 1177 [2019-10-07 15:06:51,756 WARN L191 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 701 [2019-10-07 15:06:53,012 WARN L191 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 1422 [2019-10-07 15:06:54,219 WARN L191 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 1424 DAG size of output: 1177 [2019-10-07 15:06:54,915 WARN L191 SmtUtils]: Spent 692.00 ms on a formula simplification that was a NOOP. DAG size: 1177 [2019-10-07 15:06:55,217 WARN L191 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 701 [2019-10-07 15:06:56,449 WARN L191 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 1422 [2019-10-07 15:06:57,186 WARN L191 SmtUtils]: Spent 717.00 ms on a formula simplification that was a NOOP. DAG size: 1177 [2019-10-07 15:06:57,872 WARN L191 SmtUtils]: Spent 682.00 ms on a formula simplification that was a NOOP. DAG size: 1177 [2019-10-07 15:06:58,166 WARN L191 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 701 [2019-10-07 15:06:59,410 WARN L191 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 1422 [2019-10-07 15:07:00,092 WARN L191 SmtUtils]: Spent 679.00 ms on a formula simplification that was a NOOP. DAG size: 1177 [2019-10-07 15:07:00,780 WARN L191 SmtUtils]: Spent 684.00 ms on a formula simplification that was a NOOP. DAG size: 1177 [2019-10-07 15:07:01,101 WARN L191 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 701 [2019-10-07 15:07:02,332 WARN L191 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 1422 [2019-10-07 15:07:03,013 WARN L191 SmtUtils]: Spent 678.00 ms on a formula simplification that was a NOOP. DAG size: 1177 [2019-10-07 15:07:03,706 WARN L191 SmtUtils]: Spent 690.00 ms on a formula simplification that was a NOOP. DAG size: 1177 [2019-10-07 15:07:03,999 WARN L191 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 701 [2019-10-07 15:07:05,206 WARN L191 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 1422 [2019-10-07 15:07:05,903 WARN L191 SmtUtils]: Spent 694.00 ms on a formula simplification that was a NOOP. DAG size: 1177 [2019-10-07 15:07:06,571 WARN L191 SmtUtils]: Spent 664.00 ms on a formula simplification that was a NOOP. DAG size: 1177 [2019-10-07 15:07:06,921 WARN L191 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 701 [2019-10-07 15:07:08,128 WARN L191 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 1422 [2019-10-07 15:07:08,801 WARN L191 SmtUtils]: Spent 670.00 ms on a formula simplification that was a NOOP. DAG size: 1177 [2019-10-07 15:07:09,475 WARN L191 SmtUtils]: Spent 671.00 ms on a formula simplification that was a NOOP. DAG size: 1177 [2019-10-07 15:07:09,763 WARN L191 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 701 [2019-10-07 15:07:10,985 WARN L191 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 1422 [2019-10-07 15:07:11,659 WARN L191 SmtUtils]: Spent 671.00 ms on a formula simplification that was a NOOP. DAG size: 1177 [2019-10-07 15:07:12,329 WARN L191 SmtUtils]: Spent 667.00 ms on a formula simplification that was a NOOP. DAG size: 1177 [2019-10-07 15:07:12,630 WARN L191 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 701 [2019-10-07 15:07:13,840 WARN L191 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 1422 [2019-10-07 15:07:14,511 WARN L191 SmtUtils]: Spent 668.00 ms on a formula simplification that was a NOOP. DAG size: 1177 [2019-10-07 15:07:15,182 WARN L191 SmtUtils]: Spent 667.00 ms on a formula simplification that was a NOOP. DAG size: 1177 [2019-10-07 15:07:15,475 WARN L191 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 701 [2019-10-07 15:07:16,686 WARN L191 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 1422 [2019-10-07 15:07:17,361 WARN L191 SmtUtils]: Spent 672.00 ms on a formula simplification that was a NOOP. DAG size: 1177 [2019-10-07 15:07:18,050 WARN L191 SmtUtils]: Spent 686.00 ms on a formula simplification that was a NOOP. DAG size: 1177 [2019-10-07 15:07:18,336 WARN L191 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 701 [2019-10-07 15:07:19,535 WARN L191 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 1422 [2019-10-07 15:07:20,211 WARN L191 SmtUtils]: Spent 673.00 ms on a formula simplification that was a NOOP. DAG size: 1177 [2019-10-07 15:07:20,883 WARN L191 SmtUtils]: Spent 668.00 ms on a formula simplification that was a NOOP. DAG size: 1177 [2019-10-07 15:07:21,189 WARN L191 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 701 [2019-10-07 15:07:22,406 WARN L191 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 1422 [2019-10-07 15:07:22,757 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:07:22,759 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: CallReturnSummary for callee select_one 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: CallReturnSummary for callee select_one 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.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 15:07:22,771 INFO L168 Benchmark]: Toolchain (without parser) took 252844.56 ms. Allocated memory was 138.4 MB in the beginning and 2.3 GB in the end (delta: 2.1 GB). Free memory was 98.4 MB in the beginning and 1.1 GB in the end (delta: -962.5 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2019-10-07 15:07:22,780 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-07 15:07:22,781 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1377.04 ms. Allocated memory was 138.4 MB in the beginning and 203.4 MB in the end (delta: 65.0 MB). Free memory was 98.2 MB in the beginning and 109.2 MB in the end (delta: -11.0 MB). Peak memory consumption was 59.2 MB. Max. memory is 7.1 GB. [2019-10-07 15:07:22,784 INFO L168 Benchmark]: Boogie Preprocessor took 246.74 ms. Allocated memory is still 203.4 MB. Free memory was 109.2 MB in the beginning and 98.7 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. [2019-10-07 15:07:22,790 INFO L168 Benchmark]: RCFGBuilder took 5295.21 ms. Allocated memory was 203.4 MB in the beginning and 301.5 MB in the end (delta: 98.0 MB). Free memory was 98.7 MB in the beginning and 185.2 MB in the end (delta: -86.4 MB). Peak memory consumption was 123.3 MB. Max. memory is 7.1 GB. [2019-10-07 15:07:22,790 INFO L168 Benchmark]: TraceAbstraction took 245916.85 ms. Allocated memory was 301.5 MB in the beginning and 2.3 GB in the end (delta: 2.0 GB). Free memory was 185.2 MB in the beginning and 1.1 GB in the end (delta: -875.7 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2019-10-07 15:07:22,794 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1377.04 ms. Allocated memory was 138.4 MB in the beginning and 203.4 MB in the end (delta: 65.0 MB). Free memory was 98.2 MB in the beginning and 109.2 MB in the end (delta: -11.0 MB). Peak memory consumption was 59.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 246.74 ms. Allocated memory is still 203.4 MB. Free memory was 109.2 MB in the beginning and 98.7 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5295.21 ms. Allocated memory was 203.4 MB in the beginning and 301.5 MB in the end (delta: 98.0 MB). Free memory was 98.7 MB in the beginning and 185.2 MB in the end (delta: -86.4 MB). Peak memory consumption was 123.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 245916.85 ms. Allocated memory was 301.5 MB in the beginning and 2.3 GB in the end (delta: 2.0 GB). Free memory was 185.2 MB in the beginning and 1.1 GB in the end (delta: -875.7 MB). Peak memory consumption was 1.1 GB. 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: CallReturnSummary for callee select_one de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: CallReturnSummary for callee select_one: 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...