java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/email_spec3_product34.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 14:55:24,684 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 14:55:24,687 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 14:55:24,707 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 14:55:24,707 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 14:55:24,709 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 14:55:24,711 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 14:55:24,725 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 14:55:24,727 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 14:55:24,728 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 14:55:24,729 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 14:55:24,730 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 14:55:24,730 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 14:55:24,731 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 14:55:24,732 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 14:55:24,733 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 14:55:24,734 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 14:55:24,735 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 14:55:24,736 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 14:55:24,738 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 14:55:24,740 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 14:55:24,741 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 14:55:24,741 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 14:55:24,742 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 14:55:24,744 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 14:55:24,744 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 14:55:24,745 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 14:55:24,746 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 14:55:24,746 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 14:55:24,747 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 14:55:24,747 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 14:55:24,748 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 14:55:24,748 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 14:55:24,749 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 14:55:24,752 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 14:55:24,752 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 14:55:24,753 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 14:55:24,753 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 14:55:24,753 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 14:55:24,754 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 14:55:24,755 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 14:55:24,759 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-07 14:55:24,777 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 14:55:24,778 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 14:55:24,779 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 14:55:24,779 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 14:55:24,779 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 14:55:24,780 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 14:55:24,780 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 14:55:24,780 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 14:55:24,780 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 14:55:24,781 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 14:55:24,781 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 14:55:24,781 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 14:55:24,781 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 14:55:24,781 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 14:55:24,782 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 14:55:24,782 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 14:55:24,782 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 14:55:24,782 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 14:55:24,782 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 14:55:24,783 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 14:55:24,783 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 14:55:24,783 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 14:55:24,783 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 14:55:24,783 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 14:55:24,784 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 14:55:24,784 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 14:55:24,784 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 14:55:24,784 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 14:55:24,784 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 14:55:25,094 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 14:55:25,111 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 14:55:25,114 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 14:55:25,116 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 14:55:25,116 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 14:55:25,117 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec3_product34.cil.c [2019-10-07 14:55:25,180 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12f3cb780/5fcffbedf48f45bdbdfe9e28cba04a23/FLAG69476d396 [2019-10-07 14:55:25,778 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 14:55:25,779 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec3_product34.cil.c [2019-10-07 14:55:25,810 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12f3cb780/5fcffbedf48f45bdbdfe9e28cba04a23/FLAG69476d396 [2019-10-07 14:55:26,061 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12f3cb780/5fcffbedf48f45bdbdfe9e28cba04a23 [2019-10-07 14:55:26,071 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 14:55:26,073 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 14:55:26,074 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 14:55:26,074 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 14:55:26,076 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 14:55:26,077 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:55:26" (1/1) ... [2019-10-07 14:55:26,079 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c381ce2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:55:26, skipping insertion in model container [2019-10-07 14:55:26,080 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:55:26" (1/1) ... [2019-10-07 14:55:26,087 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 14:55:26,167 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 14:55:26,910 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:55:26,927 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 14:55:27,036 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:55:27,164 INFO L192 MainTranslator]: Completed translation [2019-10-07 14:55:27,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:55:27 WrapperNode [2019-10-07 14:55:27,165 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 14:55:27,166 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 14:55:27,166 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 14:55:27,166 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 14:55:27,182 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:55:27" (1/1) ... [2019-10-07 14:55:27,183 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:55:27" (1/1) ... [2019-10-07 14:55:27,254 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:55:27" (1/1) ... [2019-10-07 14:55:27,255 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:55:27" (1/1) ... [2019-10-07 14:55:27,342 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:55:27" (1/1) ... [2019-10-07 14:55:27,379 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:55:27" (1/1) ... [2019-10-07 14:55:27,398 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:55:27" (1/1) ... [2019-10-07 14:55:27,413 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 14:55:27,414 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 14:55:27,414 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 14:55:27,414 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 14:55:27,415 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:55:27" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 14:55:27,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 14:55:27,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 14:55:27,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 14:55:27,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__1 [2019-10-07 14:55:27,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__2 [2019-10-07 14:55:27,488 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-07 14:55:27,489 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-07 14:55:27,489 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-07 14:55:27,489 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-07 14:55:27,489 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-07 14:55:27,490 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-07 14:55:27,490 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-07 14:55:27,490 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-07 14:55:27,490 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 14:55:27,490 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 14:55:27,491 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-07 14:55:27,491 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-07 14:55:27,491 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-07 14:55:27,491 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-07 14:55:27,491 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-07 14:55:27,491 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-07 14:55:27,492 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-07 14:55:27,493 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-07 14:55:27,493 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-07 14:55:27,493 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-07 14:55:27,493 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-07 14:55:27,493 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-07 14:55:27,494 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-07 14:55:27,494 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-07 14:55:27,494 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-07 14:55:27,494 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-07 14:55:27,494 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-07 14:55:27,495 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-07 14:55:27,495 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-07 14:55:27,495 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-07 14:55:27,495 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-07 14:55:27,496 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-07 14:55:27,496 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-07 14:55:27,496 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-07 14:55:27,496 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-07 14:55:27,496 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-07 14:55:27,496 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-07 14:55:27,496 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-07 14:55:27,497 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-07 14:55:27,497 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-07 14:55:27,497 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-07 14:55:27,497 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-07 14:55:27,497 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-07 14:55:27,498 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-07 14:55:27,498 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-07 14:55:27,498 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-07 14:55:27,498 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-07 14:55:27,498 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-07 14:55:27,499 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-07 14:55:27,499 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-07 14:55:27,499 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-07 14:55:27,499 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-07 14:55:27,500 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2019-10-07 14:55:27,500 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-10-07 14:55:27,500 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-07 14:55:27,501 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-07 14:55:27,501 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-07 14:55:27,501 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-07 14:55:27,502 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-07 14:55:27,502 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-07 14:55:27,502 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-07 14:55:27,502 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-07 14:55:27,503 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-07 14:55:27,503 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-07 14:55:27,503 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-07 14:55:27,503 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-07 14:55:27,504 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-07 14:55:27,504 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-07 14:55:27,505 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-07 14:55:27,505 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-07 14:55:27,505 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-07 14:55:27,506 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-07 14:55:27,506 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 14:55:27,506 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 14:55:27,507 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 14:55:27,508 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 14:55:27,508 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-07 14:55:27,508 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-10-07 14:55:27,508 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-10-07 14:55:27,509 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-07 14:55:27,509 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-07 14:55:27,509 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-07 14:55:27,510 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-07 14:55:27,511 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-07 14:55:27,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 14:55:27,511 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-07 14:55:27,511 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 14:55:27,512 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-07 14:55:27,512 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-07 14:55:27,512 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-07 14:55:27,512 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-07 14:55:27,512 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-07 14:55:27,513 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-07 14:55:27,513 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-07 14:55:27,513 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-07 14:55:27,513 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-07 14:55:27,514 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-07 14:55:27,514 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-07 14:55:27,514 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-07 14:55:27,514 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-07 14:55:27,515 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-07 14:55:27,515 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-07 14:55:27,515 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-07 14:55:27,515 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-07 14:55:27,515 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-07 14:55:27,516 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-07 14:55:27,516 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-07 14:55:27,516 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-07 14:55:27,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 14:55:27,516 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 14:55:27,517 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 14:55:27,517 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 14:55:27,517 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 14:55:27,518 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 14:55:27,518 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 14:55:27,519 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 14:55:27,519 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 14:55:27,519 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 14:55:27,519 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-07 14:55:27,521 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-07 14:55:27,521 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-07 14:55:27,521 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-07 14:55:27,521 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-07 14:55:27,521 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-07 14:55:27,522 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__1 [2019-10-07 14:55:27,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 14:55:27,522 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__2 [2019-10-07 14:55:27,523 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-07 14:55:27,524 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-07 14:55:27,527 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-07 14:55:27,528 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-07 14:55:27,528 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-07 14:55:27,528 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-07 14:55:27,529 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-07 14:55:27,529 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-07 14:55:27,530 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-07 14:55:27,530 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-07 14:55:27,530 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-07 14:55:27,531 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 14:55:27,540 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 14:55:27,540 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 14:55:27,540 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-07 14:55:27,540 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-07 14:55:27,540 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-07 14:55:27,541 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-07 14:55:27,541 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-07 14:55:27,541 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-07 14:55:27,541 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-07 14:55:27,542 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-07 14:55:27,542 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-07 14:55:27,543 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-07 14:55:27,544 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-07 14:55:27,544 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 14:55:27,544 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 14:55:27,544 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 14:55:27,545 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-07 14:55:27,545 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-07 14:55:27,545 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-07 14:55:27,545 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-07 14:55:27,546 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-07 14:55:27,546 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-07 14:55:27,546 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-07 14:55:27,546 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-07 14:55:27,546 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-07 14:55:27,547 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-07 14:55:27,547 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-07 14:55:27,547 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-07 14:55:27,547 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-07 14:55:27,548 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-07 14:55:27,548 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-07 14:55:27,548 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-07 14:55:27,548 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-07 14:55:27,548 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-07 14:55:27,549 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-07 14:55:27,549 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-07 14:55:27,549 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-07 14:55:27,549 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-07 14:55:27,549 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-07 14:55:27,549 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-07 14:55:27,550 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-07 14:55:27,550 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-07 14:55:27,550 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-07 14:55:27,551 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-07 14:55:27,551 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-07 14:55:27,551 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-07 14:55:27,551 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-07 14:55:27,551 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-07 14:55:27,552 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-07 14:55:27,552 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-07 14:55:27,552 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-07 14:55:27,552 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-07 14:55:27,552 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-07 14:55:27,553 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-07 14:55:27,553 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-07 14:55:27,553 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-07 14:55:27,553 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-07 14:55:27,553 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-07 14:55:27,553 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-07 14:55:27,554 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-07 14:55:27,554 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-07 14:55:27,554 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-07 14:55:27,554 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-07 14:55:27,554 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-07 14:55:27,556 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-07 14:55:27,557 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-07 14:55:27,557 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-07 14:55:27,557 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-07 14:55:27,558 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-07 14:55:27,558 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-07 14:55:27,558 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2019-10-07 14:55:27,558 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-10-07 14:55:27,559 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-07 14:55:27,559 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-07 14:55:27,559 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-07 14:55:27,559 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 14:55:27,559 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-07 14:55:27,560 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-07 14:55:27,560 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-07 14:55:27,560 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-07 14:55:27,560 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-10-07 14:55:27,560 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-10-07 14:55:27,561 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-07 14:55:27,561 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-07 14:55:27,561 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-07 14:55:27,561 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-07 14:55:27,561 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-07 14:55:27,561 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-07 14:55:27,562 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-07 14:55:27,562 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-07 14:55:27,562 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 14:55:27,562 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 14:55:27,562 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 14:55:27,562 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 14:55:27,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 14:55:27,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 14:55:27,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 14:55:27,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 14:55:27,563 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 14:55:27,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 14:55:27,564 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 14:55:27,564 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 14:55:27,564 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 14:55:27,564 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 14:55:27,564 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 14:55:27,565 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 14:55:27,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 14:55:27,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 14:55:27,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 14:55:32,691 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 14:55:32,691 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-07 14:55:32,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:55:32 BoogieIcfgContainer [2019-10-07 14:55:32,693 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 14:55:32,694 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 14:55:32,694 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 14:55:32,700 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 14:55:32,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 02:55:26" (1/3) ... [2019-10-07 14:55:32,708 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@acba88a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:55:32, skipping insertion in model container [2019-10-07 14:55:32,709 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:55:27" (2/3) ... [2019-10-07 14:55:32,709 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@acba88a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:55:32, skipping insertion in model container [2019-10-07 14:55:32,709 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:55:32" (3/3) ... [2019-10-07 14:55:32,712 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec3_product34.cil.c [2019-10-07 14:55:32,724 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 14:55:32,736 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 14:55:32,746 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 14:55:32,776 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 14:55:32,776 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 14:55:32,776 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 14:55:32,777 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 14:55:32,777 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 14:55:32,777 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 14:55:32,777 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 14:55:32,777 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 14:55:32,806 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states. [2019-10-07 14:55:32,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-10-07 14:55:32,825 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:55:32,826 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:55:32,828 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:55:32,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:55:32,835 INFO L82 PathProgramCache]: Analyzing trace with hash 388654164, now seen corresponding path program 1 times [2019-10-07 14:55:32,843 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:55:32,844 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:55:32,844 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:55:32,844 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:55:32,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:55:33,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:55:33,576 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-07 14:55:33,577 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:55:33,577 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:55:33,578 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 14:55:33,583 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 14:55:33,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 14:55:33,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 14:55:33,601 INFO L87 Difference]: Start difference. First operand 466 states. Second operand 2 states. [2019-10-07 14:55:33,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:55:33,728 INFO L93 Difference]: Finished difference Result 714 states and 861 transitions. [2019-10-07 14:55:33,728 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 14:55:33,730 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 159 [2019-10-07 14:55:33,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:55:33,760 INFO L225 Difference]: With dead ends: 714 [2019-10-07 14:55:33,761 INFO L226 Difference]: Without dead ends: 439 [2019-10-07 14:55:33,772 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 14:55:33,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2019-10-07 14:55:33,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 439. [2019-10-07 14:55:33,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 439 states. [2019-10-07 14:55:33,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 522 transitions. [2019-10-07 14:55:33,876 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 522 transitions. Word has length 159 [2019-10-07 14:55:33,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:55:33,877 INFO L462 AbstractCegarLoop]: Abstraction has 439 states and 522 transitions. [2019-10-07 14:55:33,877 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 14:55:33,878 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 522 transitions. [2019-10-07 14:55:33,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-10-07 14:55:33,886 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:55:33,886 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:55:33,887 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:55:33,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:55:33,887 INFO L82 PathProgramCache]: Analyzing trace with hash 215776606, now seen corresponding path program 1 times [2019-10-07 14:55:33,887 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:55:33,887 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:55:33,887 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:55:33,888 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:55:33,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:55:33,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:55:34,154 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-07 14:55:34,154 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:55:34,155 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:55:34,155 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:55:34,158 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:55:34,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:55:34,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:55:34,159 INFO L87 Difference]: Start difference. First operand 439 states and 522 transitions. Second operand 3 states. [2019-10-07 14:55:34,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:55:34,225 INFO L93 Difference]: Finished difference Result 699 states and 824 transitions. [2019-10-07 14:55:34,227 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:55:34,228 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 160 [2019-10-07 14:55:34,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:55:34,233 INFO L225 Difference]: With dead ends: 699 [2019-10-07 14:55:34,233 INFO L226 Difference]: Without dead ends: 441 [2019-10-07 14:55:34,236 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:55:34,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2019-10-07 14:55:34,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 441. [2019-10-07 14:55:34,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2019-10-07 14:55:34,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 524 transitions. [2019-10-07 14:55:34,289 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 524 transitions. Word has length 160 [2019-10-07 14:55:34,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:55:34,293 INFO L462 AbstractCegarLoop]: Abstraction has 441 states and 524 transitions. [2019-10-07 14:55:34,293 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:55:34,293 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 524 transitions. [2019-10-07 14:55:34,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2019-10-07 14:55:34,300 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:55:34,301 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:55:34,301 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:55:34,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:55:34,301 INFO L82 PathProgramCache]: Analyzing trace with hash -2017980988, now seen corresponding path program 1 times [2019-10-07 14:55:34,301 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:55:34,302 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:55:34,302 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:55:34,302 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:55:34,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:55:34,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:55:34,604 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-07 14:55:34,604 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:55:34,605 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:55:34,605 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:55:34,606 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:55:34,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:55:34,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:55:34,607 INFO L87 Difference]: Start difference. First operand 441 states and 524 transitions. Second operand 3 states. [2019-10-07 14:55:34,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:55:34,654 INFO L93 Difference]: Finished difference Result 866 states and 1058 transitions. [2019-10-07 14:55:34,654 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:55:34,655 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 165 [2019-10-07 14:55:34,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:55:34,659 INFO L225 Difference]: With dead ends: 866 [2019-10-07 14:55:34,659 INFO L226 Difference]: Without dead ends: 483 [2019-10-07 14:55:34,661 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:55:34,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2019-10-07 14:55:34,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 482. [2019-10-07 14:55:34,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 482 states. [2019-10-07 14:55:34,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 595 transitions. [2019-10-07 14:55:34,687 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 595 transitions. Word has length 165 [2019-10-07 14:55:34,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:55:34,688 INFO L462 AbstractCegarLoop]: Abstraction has 482 states and 595 transitions. [2019-10-07 14:55:34,688 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:55:34,688 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 595 transitions. [2019-10-07 14:55:34,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2019-10-07 14:55:34,694 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:55:34,694 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:55:34,694 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:55:34,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:55:34,695 INFO L82 PathProgramCache]: Analyzing trace with hash 237975755, now seen corresponding path program 1 times [2019-10-07 14:55:34,695 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:55:34,695 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:55:34,696 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:55:34,696 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:55:34,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:55:34,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:55:35,645 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-10-07 14:55:35,645 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:55:35,645 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:55:35,646 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2019-10-07 14:55:35,646 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2019-10-07 14:55:35,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2019-10-07 14:55:35,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=634, Unknown=0, NotChecked=0, Total=702 [2019-10-07 14:55:35,647 INFO L87 Difference]: Start difference. First operand 482 states and 595 transitions. Second operand 27 states. [2019-10-07 14:55:52,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:55:52,998 INFO L93 Difference]: Finished difference Result 1415 states and 1713 transitions. [2019-10-07 14:55:52,999 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2019-10-07 14:55:52,999 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 166 [2019-10-07 14:55:53,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:55:53,009 INFO L225 Difference]: With dead ends: 1415 [2019-10-07 14:55:53,009 INFO L226 Difference]: Without dead ends: 1157 [2019-10-07 14:55:53,012 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 839 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=434, Invalid=3472, Unknown=0, NotChecked=0, Total=3906 [2019-10-07 14:55:53,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1157 states. [2019-10-07 14:55:53,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1157 to 1146. [2019-10-07 14:55:53,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1146 states. [2019-10-07 14:55:53,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1146 states to 1146 states and 1380 transitions. [2019-10-07 14:55:53,083 INFO L78 Accepts]: Start accepts. Automaton has 1146 states and 1380 transitions. Word has length 166 [2019-10-07 14:55:53,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:55:53,084 INFO L462 AbstractCegarLoop]: Abstraction has 1146 states and 1380 transitions. [2019-10-07 14:55:53,084 INFO L463 AbstractCegarLoop]: Interpolant automaton has 27 states. [2019-10-07 14:55:53,085 INFO L276 IsEmpty]: Start isEmpty. Operand 1146 states and 1380 transitions. [2019-10-07 14:55:53,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-10-07 14:55:53,089 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:55:53,089 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:55:53,089 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:55:53,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:55:53,090 INFO L82 PathProgramCache]: Analyzing trace with hash 1345678955, now seen corresponding path program 1 times [2019-10-07 14:55:53,090 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:55:53,090 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:55:53,090 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:55:53,091 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:55:53,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:55:53,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:55:54,508 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-07 14:55:54,508 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:55:54,508 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 14:55:54,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:55:55,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:55:55,126 INFO L256 TraceCheckSpWp]: Trace formula consists of 3127 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-07 14:55:55,146 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 14:55:55,296 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-07 14:55:55,296 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 14:55:55,615 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-07 14:55:55,615 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 14:55:55,649 INFO L162 IcfgInterpreter]: Started Sifa with 155 locations of interest [2019-10-07 14:55:55,649 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 14:55:55,657 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 14:55:55,665 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 14:55:55,666 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 14:57:41,532 WARN L191 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 734 [2019-10-07 14:57:47,423 WARN L191 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 386 DAG size of output: 313 [2019-10-07 14:57:47,947 WARN L191 SmtUtils]: Spent 513.00 ms on a formula simplification that was a NOOP. DAG size: 793 [2019-10-07 14:57:48,432 WARN L191 SmtUtils]: Spent 479.00 ms on a formula simplification that was a NOOP. DAG size: 793 [2019-10-07 14:57:48,716 WARN L191 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 793 [2019-10-07 14:57:48,881 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 463 [2019-10-07 14:57:49,654 WARN L191 SmtUtils]: Spent 771.00 ms on a formula simplification that was a NOOP. DAG size: 1100 [2019-10-07 14:57:50,616 WARN L191 SmtUtils]: Spent 939.00 ms on a formula simplification that was a NOOP. DAG size: 1100 [2019-10-07 14:57:51,521 WARN L191 SmtUtils]: Spent 901.00 ms on a formula simplification that was a NOOP. DAG size: 1100 [2019-10-07 14:57:51,680 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 463 [2019-10-07 14:57:52,429 WARN L191 SmtUtils]: Spent 747.00 ms on a formula simplification that was a NOOP. DAG size: 1100 [2019-10-07 14:57:54,018 WARN L191 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 1102 DAG size of output: 1100 [2019-10-07 14:57:54,749 WARN L191 SmtUtils]: Spent 726.00 ms on a formula simplification that was a NOOP. DAG size: 1100 [2019-10-07 14:57:54,897 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 463 [2019-10-07 14:57:55,620 WARN L191 SmtUtils]: Spent 721.00 ms on a formula simplification that was a NOOP. DAG size: 1100 [2019-10-07 14:57:56,315 WARN L191 SmtUtils]: Spent 691.00 ms on a formula simplification that was a NOOP. DAG size: 1100 [2019-10-07 14:57:57,044 WARN L191 SmtUtils]: Spent 725.00 ms on a formula simplification that was a NOOP. DAG size: 1100 [2019-10-07 14:57:57,254 WARN L191 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 463 [2019-10-07 14:57:57,955 WARN L191 SmtUtils]: Spent 699.00 ms on a formula simplification that was a NOOP. DAG size: 1100 [2019-10-07 14:57:58,010 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 586 for LOIs [2019-10-07 14:57:58,383 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 696 [2019-10-07 14:57:58,500 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 696 [2019-10-07 14:57:58,634 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 463 [2019-10-07 14:57:59,134 WARN L191 SmtUtils]: Spent 498.00 ms on a formula simplification that was a NOOP. DAG size: 1003 [2019-10-07 14:57:59,135 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1163 for LOIs [2019-10-07 14:57:59,858 WARN L191 SmtUtils]: Spent 721.00 ms on a formula simplification that was a NOOP. DAG size: 1163 [2019-10-07 14:58:00,538 WARN L191 SmtUtils]: Spent 676.00 ms on a formula simplification that was a NOOP. DAG size: 1163 [2019-10-07 14:58:00,832 WARN L191 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 662 [2019-10-07 14:58:01,930 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 1364 [2019-10-07 14:58:02,650 WARN L191 SmtUtils]: Spent 708.00 ms on a formula simplification that was a NOOP. DAG size: 1163 [2019-10-07 14:58:03,343 WARN L191 SmtUtils]: Spent 690.00 ms on a formula simplification that was a NOOP. DAG size: 1163 [2019-10-07 14:58:03,832 WARN L191 SmtUtils]: Spent 479.00 ms on a formula simplification that was a NOOP. DAG size: 662 [2019-10-07 14:58:04,944 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 1364 [2019-10-07 14:58:05,691 WARN L191 SmtUtils]: Spent 710.00 ms on a formula simplification that was a NOOP. DAG size: 1163 [2019-10-07 14:58:06,371 WARN L191 SmtUtils]: Spent 676.00 ms on a formula simplification that was a NOOP. DAG size: 1163 [2019-10-07 14:58:06,638 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 662 [2019-10-07 14:58:07,731 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1364 [2019-10-07 14:58:09,083 WARN L191 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 1366 DAG size of output: 1163 [2019-10-07 14:58:09,773 WARN L191 SmtUtils]: Spent 686.00 ms on a formula simplification that was a NOOP. DAG size: 1163 [2019-10-07 14:58:10,052 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 662 [2019-10-07 14:58:11,172 WARN L191 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 1364 [2019-10-07 14:58:11,865 WARN L191 SmtUtils]: Spent 677.00 ms on a formula simplification that was a NOOP. DAG size: 1163 [2019-10-07 14:58:12,556 WARN L191 SmtUtils]: Spent 688.00 ms on a formula simplification that was a NOOP. DAG size: 1163 [2019-10-07 14:58:12,815 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 662 [2019-10-07 14:58:13,930 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 1364 [2019-10-07 14:58:14,609 WARN L191 SmtUtils]: Spent 676.00 ms on a formula simplification that was a NOOP. DAG size: 1163 [2019-10-07 14:58:15,303 WARN L191 SmtUtils]: Spent 690.00 ms on a formula simplification that was a NOOP. DAG size: 1163 [2019-10-07 14:58:15,571 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 662 [2019-10-07 14:58:16,678 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 1364 [2019-10-07 14:58:17,358 WARN L191 SmtUtils]: Spent 677.00 ms on a formula simplification that was a NOOP. DAG size: 1163 [2019-10-07 14:58:18,038 WARN L191 SmtUtils]: Spent 676.00 ms on a formula simplification that was a NOOP. DAG size: 1163 [2019-10-07 14:58:18,294 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 662 [2019-10-07 14:58:19,408 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 1364 [2019-10-07 14:58:20,096 WARN L191 SmtUtils]: Spent 684.00 ms on a formula simplification that was a NOOP. DAG size: 1163 [2019-10-07 14:58:20,799 WARN L191 SmtUtils]: Spent 699.00 ms on a formula simplification that was a NOOP. DAG size: 1163 [2019-10-07 14:58:21,057 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 662 [2019-10-07 14:58:22,173 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 1364 [2019-10-07 14:58:22,859 WARN L191 SmtUtils]: Spent 683.00 ms on a formula simplification that was a NOOP. DAG size: 1163 [2019-10-07 14:58:23,554 WARN L191 SmtUtils]: Spent 692.00 ms on a formula simplification that was a NOOP. DAG size: 1163 [2019-10-07 14:58:23,811 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 662 [2019-10-07 14:58:24,922 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 1364 [2019-10-07 14:58:25,600 WARN L191 SmtUtils]: Spent 675.00 ms on a formula simplification that was a NOOP. DAG size: 1163 [2019-10-07 14:58:26,284 WARN L191 SmtUtils]: Spent 680.00 ms on a formula simplification that was a NOOP. DAG size: 1163 [2019-10-07 14:58:26,545 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 662 [2019-10-07 14:58:27,650 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 1364 [2019-10-07 14:58:28,330 WARN L191 SmtUtils]: Spent 676.00 ms on a formula simplification that was a NOOP. DAG size: 1163 [2019-10-07 14:58:29,016 WARN L191 SmtUtils]: Spent 682.00 ms on a formula simplification that was a NOOP. DAG size: 1163 [2019-10-07 14:58:29,275 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 662 [2019-10-07 14:58:30,370 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1364 [2019-10-07 14:58:31,055 WARN L191 SmtUtils]: Spent 681.00 ms on a formula simplification that was a NOOP. DAG size: 1163 [2019-10-07 14:58:31,731 WARN L191 SmtUtils]: Spent 673.00 ms on a formula simplification that was a NOOP. DAG size: 1163 [2019-10-07 14:58:31,990 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 662 [2019-10-07 14:58:33,077 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1364 [2019-10-07 14:58:33,753 WARN L191 SmtUtils]: Spent 672.00 ms on a formula simplification that was a NOOP. DAG size: 1163 [2019-10-07 14:58:34,433 WARN L191 SmtUtils]: Spent 677.00 ms on a formula simplification that was a NOOP. DAG size: 1163 [2019-10-07 14:58:34,691 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 662 [2019-10-07 14:58:35,789 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 1364 [2019-10-07 14:58:37,002 WARN L191 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 1364 [2019-10-07 14:58:38,095 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1364 [2019-10-07 14:58:38,365 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 662 [2019-10-07 14:58:39,442 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1364 [2019-10-07 14:58:41,603 WARN L191 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 1366 DAG size of output: 1364 [2019-10-07 14:58:42,697 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1364 [2019-10-07 14:58:42,964 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 662 [2019-10-07 14:58:44,058 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1364 [2019-10-07 14:58:45,165 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 1364 [2019-10-07 14:58:46,263 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 1364 [2019-10-07 14:58:46,527 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 662 [2019-10-07 14:58:47,621 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1364 [2019-10-07 14:58:48,775 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 1368 [2019-10-07 14:58:49,880 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 1368 [2019-10-07 14:58:50,160 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 665 [2019-10-07 14:58:51,271 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 1368 [2019-10-07 14:58:52,410 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 1368 [2019-10-07 14:58:53,510 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 1368 [2019-10-07 14:58:53,788 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 665 [2019-10-07 14:58:54,903 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 1368 [2019-10-07 14:58:56,038 WARN L191 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 1368 [2019-10-07 14:58:57,166 WARN L191 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 1368 [2019-10-07 14:58:57,432 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 665 [2019-10-07 14:58:58,591 WARN L191 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 1368 [2019-10-07 14:59:00,415 WARN L191 SmtUtils]: Spent 1.81 s on a formula simplification that was a NOOP. DAG size: 1373 [2019-10-07 14:59:01,541 WARN L191 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 1373 [2019-10-07 14:59:01,805 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 665 [2019-10-07 14:59:02,944 WARN L191 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 1373 [2019-10-07 14:59:04,074 WARN L191 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 1375 [2019-10-07 14:59:05,216 WARN L191 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 1375 [2019-10-07 14:59:05,497 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 665 [2019-10-07 14:59:06,636 WARN L191 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 1375 [2019-10-07 14:59:09,033 WARN L191 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 1366 DAG size of output: 1364 [2019-10-07 14:59:10,180 WARN L191 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 1364 [2019-10-07 14:59:10,459 WARN L191 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 662 [2019-10-07 14:59:11,587 WARN L191 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 1364 [2019-10-07 14:59:13,658 WARN L191 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 1366 DAG size of output: 1364 [2019-10-07 14:59:15,183 WARN L191 SmtUtils]: Spent 1.52 s on a formula simplification that was a NOOP. DAG size: 1364 [2019-10-07 14:59:15,467 WARN L191 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 662 [2019-10-07 14:59:16,589 WARN L191 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 1364 [2019-10-07 14:59:17,715 WARN L191 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 1364 [2019-10-07 14:59:18,846 WARN L191 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 1364 [2019-10-07 14:59:19,105 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 662 [2019-10-07 14:59:20,217 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 1364 [2019-10-07 14:59:22,296 WARN L191 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 1366 DAG size of output: 1364 [2019-10-07 14:59:23,404 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 1364 [2019-10-07 14:59:23,702 WARN L191 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 662 [2019-10-07 14:59:24,824 WARN L191 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 1364 [2019-10-07 14:59:26,856 WARN L191 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 1366 DAG size of output: 1364 [2019-10-07 14:59:27,987 WARN L191 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 1364 [2019-10-07 14:59:28,263 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 662 [2019-10-07 14:59:29,408 WARN L191 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 1364 [2019-10-07 14:59:30,537 WARN L191 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 1364 [2019-10-07 14:59:31,681 WARN L191 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 1364 [2019-10-07 14:59:31,956 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 662 [2019-10-07 14:59:33,080 WARN L191 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 1364 [2019-10-07 14:59:34,258 WARN L191 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 1368 [2019-10-07 14:59:35,397 WARN L191 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 1368 [2019-10-07 14:59:35,779 WARN L191 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 665 [2019-10-07 14:59:36,919 WARN L191 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 1368 [2019-10-07 14:59:38,055 WARN L191 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 1368 [2019-10-07 14:59:39,189 WARN L191 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 1368 [2019-10-07 14:59:39,467 WARN L191 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 665 [2019-10-07 14:59:40,598 WARN L191 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 1368 [2019-10-07 14:59:41,749 WARN L191 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 1368 [2019-10-07 14:59:42,866 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 1368 [2019-10-07 14:59:43,135 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 665 [2019-10-07 14:59:44,256 WARN L191 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 1368 [2019-10-07 14:59:46,219 WARN L191 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 1375 DAG size of output: 1366 [2019-10-07 14:59:47,359 WARN L191 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 1366 [2019-10-07 14:59:47,644 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 665 [2019-10-07 14:59:48,784 WARN L191 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 1368 [2019-10-07 14:59:50,860 WARN L191 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 1377 DAG size of output: 1368 [2019-10-07 14:59:51,983 WARN L191 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 1368 [2019-10-07 14:59:52,418 WARN L191 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 665 [2019-10-07 14:59:53,554 WARN L191 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 1370 [2019-10-07 14:59:53,839 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:59:53,840 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.generateProof(TraceAbstractionRefinementEngine.java:177) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:133) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε at de.uni_freiburg.informatik.ultimate.lib.sifa.PriorityWorklist.add(PriorityWorklist.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.lambda$2(DagInterpreter.java:135) at java.lang.Iterable.forEach(Iterable.java:75) at java.util.Collections$UnmodifiableCollection.forEach(Collections.java:1080) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:135) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:139) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:287) ... 21 more [2019-10-07 14:59:53,852 INFO L168 Benchmark]: Toolchain (without parser) took 267778.80 ms. Allocated memory was 144.7 MB in the beginning and 1.5 GB in the end (delta: 1.3 GB). Free memory was 98.6 MB in the beginning and 482.0 MB in the end (delta: -383.4 MB). Peak memory consumption was 953.0 MB. Max. memory is 7.1 GB. [2019-10-07 14:59:53,859 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 144.7 MB. Free memory was 119.8 MB in the beginning and 119.6 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-07 14:59:53,860 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1091.44 ms. Allocated memory was 144.7 MB in the beginning and 202.4 MB in the end (delta: 57.7 MB). Free memory was 98.3 MB in the beginning and 127.6 MB in the end (delta: -29.3 MB). Peak memory consumption was 36.4 MB. Max. memory is 7.1 GB. [2019-10-07 14:59:53,861 INFO L168 Benchmark]: Boogie Preprocessor took 247.75 ms. Allocated memory is still 202.4 MB. Free memory was 127.6 MB in the beginning and 117.8 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-10-07 14:59:53,861 INFO L168 Benchmark]: RCFGBuilder took 5279.38 ms. Allocated memory was 202.4 MB in the beginning and 299.9 MB in the end (delta: 97.5 MB). Free memory was 117.8 MB in the beginning and 239.8 MB in the end (delta: -122.1 MB). Peak memory consumption was 142.0 MB. Max. memory is 7.1 GB. [2019-10-07 14:59:53,862 INFO L168 Benchmark]: TraceAbstraction took 261155.78 ms. Allocated memory was 299.9 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 239.8 MB in the beginning and 482.0 MB in the end (delta: -242.2 MB). Peak memory consumption was 939.1 MB. Max. memory is 7.1 GB. [2019-10-07 14:59:53,870 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 144.7 MB. Free memory was 119.8 MB in the beginning and 119.6 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1091.44 ms. Allocated memory was 144.7 MB in the beginning and 202.4 MB in the end (delta: 57.7 MB). Free memory was 98.3 MB in the beginning and 127.6 MB in the end (delta: -29.3 MB). Peak memory consumption was 36.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 247.75 ms. Allocated memory is still 202.4 MB. Free memory was 127.6 MB in the beginning and 117.8 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5279.38 ms. Allocated memory was 202.4 MB in the beginning and 299.9 MB in the end (delta: 97.5 MB). Free memory was 117.8 MB in the beginning and 239.8 MB in the end (delta: -122.1 MB). Peak memory consumption was 142.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 261155.78 ms. Allocated memory was 299.9 MB in the beginning and 1.5 GB in the end (delta: 1.2 GB). Free memory was 239.8 MB in the beginning and 482.0 MB in the end (delta: -242.2 MB). Peak memory consumption was 939.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...