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_spec11_product33.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 14:43:35,779 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 14:43:35,782 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 14:43:35,801 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 14:43:35,802 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 14:43:35,804 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 14:43:35,806 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 14:43:35,814 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 14:43:35,816 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 14:43:35,817 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 14:43:35,819 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 14:43:35,820 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 14:43:35,820 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 14:43:35,821 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 14:43:35,822 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 14:43:35,823 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 14:43:35,824 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 14:43:35,825 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 14:43:35,826 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 14:43:35,828 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 14:43:35,830 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 14:43:35,831 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 14:43:35,832 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 14:43:35,833 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 14:43:35,835 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 14:43:35,835 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 14:43:35,835 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 14:43:35,836 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 14:43:35,837 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 14:43:35,838 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 14:43:35,838 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 14:43:35,838 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 14:43:35,839 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 14:43:35,840 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 14:43:35,841 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 14:43:35,841 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 14:43:35,842 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 14:43:35,842 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 14:43:35,842 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 14:43:35,843 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 14:43:35,844 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 14:43:35,845 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 14:43:35,860 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 14:43:35,860 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 14:43:35,861 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 14:43:35,861 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 14:43:35,861 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 14:43:35,862 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 14:43:35,862 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 14:43:35,862 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 14:43:35,862 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 14:43:35,862 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 14:43:35,863 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 14:43:35,863 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 14:43:35,863 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 14:43:35,863 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 14:43:35,863 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 14:43:35,864 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 14:43:35,864 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 14:43:35,864 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 14:43:35,864 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 14:43:35,864 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 14:43:35,865 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 14:43:35,865 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 14:43:35,865 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 14:43:35,865 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 14:43:35,865 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 14:43:35,866 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 14:43:35,866 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 14:43:35,866 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 14:43:35,866 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 14:43:36,156 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 14:43:36,169 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 14:43:36,173 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 14:43:36,174 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 14:43:36,175 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 14:43:36,176 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec11_product33.cil.c [2019-10-07 14:43:36,240 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a077951af/0632f9dfd95543d7a7d37d9bb40d5e00/FLAG74a2d165f [2019-10-07 14:43:36,893 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 14:43:36,894 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec11_product33.cil.c [2019-10-07 14:43:36,917 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a077951af/0632f9dfd95543d7a7d37d9bb40d5e00/FLAG74a2d165f [2019-10-07 14:43:37,047 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a077951af/0632f9dfd95543d7a7d37d9bb40d5e00 [2019-10-07 14:43:37,058 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 14:43:37,059 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 14:43:37,060 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 14:43:37,061 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 14:43:37,064 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 14:43:37,065 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:43:37" (1/1) ... [2019-10-07 14:43:37,068 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7020f9f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:43:37, skipping insertion in model container [2019-10-07 14:43:37,068 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:43:37" (1/1) ... [2019-10-07 14:43:37,075 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 14:43:37,142 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 14:43:37,930 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:43:37,955 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 14:43:38,124 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:43:38,297 INFO L192 MainTranslator]: Completed translation [2019-10-07 14:43:38,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:43:38 WrapperNode [2019-10-07 14:43:38,298 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 14:43:38,299 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 14:43:38,300 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 14:43:38,300 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 14:43:38,320 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:43:38" (1/1) ... [2019-10-07 14:43:38,320 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:43:38" (1/1) ... [2019-10-07 14:43:38,386 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:43:38" (1/1) ... [2019-10-07 14:43:38,389 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:43:38" (1/1) ... [2019-10-07 14:43:38,463 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:43:38" (1/1) ... [2019-10-07 14:43:38,501 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:43:38" (1/1) ... [2019-10-07 14:43:38,517 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:43:38" (1/1) ... [2019-10-07 14:43:38,543 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 14:43:38,544 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 14:43:38,544 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 14:43:38,547 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 14:43:38,550 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:43:38" (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 14:43:38,607 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 14:43:38,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 14:43:38,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 14:43:38,608 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-07 14:43:38,609 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-07 14:43:38,609 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-07 14:43:38,609 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-07 14:43:38,609 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-07 14:43:38,609 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-07 14:43:38,610 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-07 14:43:38,610 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-07 14:43:38,610 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-07 14:43:38,610 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-07 14:43:38,611 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-07 14:43:38,611 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-07 14:43:38,611 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-07 14:43:38,611 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-07 14:43:38,611 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-07 14:43:38,612 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-07 14:43:38,612 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-07 14:43:38,612 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-07 14:43:38,613 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-07 14:43:38,613 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-07 14:43:38,614 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-07 14:43:38,614 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-07 14:43:38,614 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-07 14:43:38,614 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-07 14:43:38,614 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-07 14:43:38,614 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-07 14:43:38,615 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-07 14:43:38,616 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-07 14:43:38,616 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-07 14:43:38,616 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-07 14:43:38,616 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AutoResponder [2019-10-07 14:43:38,617 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-10-07 14:43:38,617 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-07 14:43:38,617 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-07 14:43:38,617 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-07 14:43:38,617 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-07 14:43:38,617 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-07 14:43:38,618 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-07 14:43:38,618 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 14:43:38,618 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 14:43:38,618 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 14:43:38,618 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 14:43:38,618 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 14:43:38,618 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 14:43:38,619 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-07 14:43:38,619 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-07 14:43:38,619 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-07 14:43:38,619 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-07 14:43:38,619 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-07 14:43:38,619 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-10-07 14:43:38,619 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-07 14:43:38,620 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-07 14:43:38,620 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-07 14:43:38,620 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-07 14:43:38,620 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-07 14:43:38,621 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-07 14:43:38,621 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-07 14:43:38,621 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-07 14:43:38,621 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-07 14:43:38,622 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-07 14:43:38,622 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-07 14:43:38,622 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-07 14:43:38,622 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-07 14:43:38,622 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-07 14:43:38,622 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-07 14:43:38,622 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-07 14:43:38,623 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-07 14:43:38,623 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-07 14:43:38,623 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-07 14:43:38,623 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-07 14:43:38,624 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-07 14:43:38,624 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-07 14:43:38,625 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-07 14:43:38,625 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-07 14:43:38,625 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-07 14:43:38,626 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-07 14:43:38,626 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-07 14:43:38,626 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-07 14:43:38,627 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-07 14:43:38,627 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-07 14:43:38,627 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-07 14:43:38,628 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-07 14:43:38,628 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-07 14:43:38,628 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-07 14:43:38,629 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-07 14:43:38,629 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-07 14:43:38,629 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-07 14:43:38,629 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-10-07 14:43:38,630 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-07 14:43:38,630 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-07 14:43:38,630 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-07 14:43:38,630 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-07 14:43:38,630 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-07 14:43:38,630 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-07 14:43:38,630 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-07 14:43:38,631 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-07 14:43:38,631 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 14:43:38,631 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 14:43:38,631 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-07 14:43:38,631 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-07 14:43:38,631 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-07 14:43:38,631 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-07 14:43:38,632 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-07 14:43:38,632 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-07 14:43:38,632 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-07 14:43:38,632 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-07 14:43:38,632 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-07 14:43:38,632 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-07 14:43:38,632 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-07 14:43:38,633 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 14:43:38,633 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 14:43:38,633 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 14:43:38,633 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 14:43:38,633 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 14:43:38,634 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 14:43:38,634 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 14:43:38,634 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 14:43:38,635 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-07 14:43:38,635 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-07 14:43:38,635 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-07 14:43:38,635 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-07 14:43:38,636 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-07 14:43:38,637 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-07 14:43:38,637 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-07 14:43:38,637 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-07 14:43:38,637 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-07 14:43:38,637 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-07 14:43:38,637 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-07 14:43:38,638 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-07 14:43:38,638 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-07 14:43:38,639 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-07 14:43:38,642 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-07 14:43:38,643 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-07 14:43:38,643 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-07 14:43:38,643 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-07 14:43:38,643 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-07 14:43:38,643 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-07 14:43:38,644 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-07 14:43:38,644 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-07 14:43:38,644 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-07 14:43:38,644 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-07 14:43:38,652 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-07 14:43:38,652 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-07 14:43:38,652 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-07 14:43:38,652 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-07 14:43:38,653 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-07 14:43:38,653 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 14:43:38,653 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-07 14:43:38,653 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-07 14:43:38,654 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-07 14:43:38,654 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-07 14:43:38,654 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-07 14:43:38,654 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-07 14:43:38,655 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-07 14:43:38,655 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-07 14:43:38,655 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-07 14:43:38,655 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-07 14:43:38,655 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-07 14:43:38,655 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-07 14:43:38,655 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-07 14:43:38,656 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-07 14:43:38,656 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-07 14:43:38,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 14:43:38,656 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AutoResponder [2019-10-07 14:43:38,656 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-10-07 14:43:38,656 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-07 14:43:38,656 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-07 14:43:38,657 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 14:43:38,657 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 14:43:38,657 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 14:43:38,657 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 14:43:38,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 14:43:38,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 14:43:38,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 14:43:38,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 14:43:38,658 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 14:43:38,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 14:43:38,658 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 14:43:38,658 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 14:43:38,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 14:43:38,659 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 14:43:38,659 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 14:43:38,659 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 14:43:38,659 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-07 14:43:38,660 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-07 14:43:38,660 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-07 14:43:38,660 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-07 14:43:38,660 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-07 14:43:38,660 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-07 14:43:38,661 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-07 14:43:38,661 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-07 14:43:38,661 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-07 14:43:38,661 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-07 14:43:38,661 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-07 14:43:38,661 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-07 14:43:38,662 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-07 14:43:38,662 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-07 14:43:38,662 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-07 14:43:38,662 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-07 14:43:38,662 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-07 14:43:38,662 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-07 14:43:38,662 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-07 14:43:38,663 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-07 14:43:38,663 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-07 14:43:38,663 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-07 14:43:38,665 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-07 14:43:38,665 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-07 14:43:38,665 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-10-07 14:43:38,665 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-07 14:43:38,665 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-07 14:43:38,666 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-07 14:43:38,666 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-10-07 14:43:38,666 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-07 14:43:38,666 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-07 14:43:38,666 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-07 14:43:38,666 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-07 14:43:38,667 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-07 14:43:38,667 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-07 14:43:38,667 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 14:43:38,667 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 14:43:38,667 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 14:43:38,667 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 14:43:38,668 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-07 14:43:38,668 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-07 14:43:38,668 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-07 14:43:38,668 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-07 14:43:38,668 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-07 14:43:38,668 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 14:43:38,668 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 14:43:38,669 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 14:43:38,669 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-07 14:43:38,669 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-07 14:43:38,669 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-07 14:43:38,669 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-07 14:43:38,669 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-07 14:43:38,669 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-07 14:43:38,670 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-07 14:43:38,670 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-07 14:43:38,670 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-07 14:43:38,670 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-07 14:43:38,670 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-07 14:43:38,670 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-07 14:43:38,671 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-07 14:43:38,671 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-07 14:43:38,671 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 14:43:38,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 14:43:38,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 14:43:38,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 14:43:43,240 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 14:43:43,241 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-07 14:43:43,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:43:43 BoogieIcfgContainer [2019-10-07 14:43:43,243 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 14:43:43,244 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 14:43:43,244 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 14:43:43,248 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 14:43:43,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 02:43:37" (1/3) ... [2019-10-07 14:43:43,249 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28e04515 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:43:43, skipping insertion in model container [2019-10-07 14:43:43,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:43:38" (2/3) ... [2019-10-07 14:43:43,250 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28e04515 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:43:43, skipping insertion in model container [2019-10-07 14:43:43,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:43:43" (3/3) ... [2019-10-07 14:43:43,252 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec11_product33.cil.c [2019-10-07 14:43:43,265 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 14:43:43,275 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 14:43:43,291 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 14:43:43,326 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 14:43:43,326 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 14:43:43,326 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 14:43:43,326 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 14:43:43,326 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 14:43:43,327 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 14:43:43,327 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 14:43:43,327 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 14:43:43,371 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states. [2019-10-07 14:43:43,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2019-10-07 14:43:43,406 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:43:43,408 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 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 14:43:43,411 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:43:43,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:43:43,418 INFO L82 PathProgramCache]: Analyzing trace with hash -693498140, now seen corresponding path program 1 times [2019-10-07 14:43:43,427 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:43:43,428 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:43:43,428 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:43:43,428 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:43:43,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:43:43,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:43:44,255 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-07 14:43:44,255 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:43:44,256 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:43:44,256 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 14:43:44,262 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 14:43:44,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 14:43:44,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 14:43:44,279 INFO L87 Difference]: Start difference. First operand 431 states. Second operand 2 states. [2019-10-07 14:43:44,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:43:44,350 INFO L93 Difference]: Finished difference Result 663 states and 788 transitions. [2019-10-07 14:43:44,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 14:43:44,352 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 176 [2019-10-07 14:43:44,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:43:44,373 INFO L225 Difference]: With dead ends: 663 [2019-10-07 14:43:44,374 INFO L226 Difference]: Without dead ends: 410 [2019-10-07 14:43:44,380 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 14:43:44,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2019-10-07 14:43:44,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 410. [2019-10-07 14:43:44,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 410 states. [2019-10-07 14:43:44,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 483 transitions. [2019-10-07 14:43:44,513 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 483 transitions. Word has length 176 [2019-10-07 14:43:44,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:43:44,520 INFO L462 AbstractCegarLoop]: Abstraction has 410 states and 483 transitions. [2019-10-07 14:43:44,520 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 14:43:44,521 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 483 transitions. [2019-10-07 14:43:44,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2019-10-07 14:43:44,532 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:43:44,533 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 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] [2019-10-07 14:43:44,533 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:43:44,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:43:44,533 INFO L82 PathProgramCache]: Analyzing trace with hash -1613279630, now seen corresponding path program 1 times [2019-10-07 14:43:44,534 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:43:44,534 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:43:44,534 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:43:44,534 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:43:44,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:43:44,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:43:44,783 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-07 14:43:44,784 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:43:44,784 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:43:44,784 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:43:44,786 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:43:44,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:43:44,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:43:44,787 INFO L87 Difference]: Start difference. First operand 410 states and 483 transitions. Second operand 3 states. [2019-10-07 14:43:44,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:43:44,862 INFO L93 Difference]: Finished difference Result 648 states and 754 transitions. [2019-10-07 14:43:44,863 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:43:44,863 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 177 [2019-10-07 14:43:44,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:43:44,875 INFO L225 Difference]: With dead ends: 648 [2019-10-07 14:43:44,875 INFO L226 Difference]: Without dead ends: 412 [2019-10-07 14:43:44,882 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 14:43:44,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2019-10-07 14:43:44,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 412. [2019-10-07 14:43:44,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 412 states. [2019-10-07 14:43:44,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 485 transitions. [2019-10-07 14:43:44,924 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 485 transitions. Word has length 177 [2019-10-07 14:43:44,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:43:44,925 INFO L462 AbstractCegarLoop]: Abstraction has 412 states and 485 transitions. [2019-10-07 14:43:44,926 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:43:44,926 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 485 transitions. [2019-10-07 14:43:44,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2019-10-07 14:43:44,934 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:43:44,935 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1] [2019-10-07 14:43:44,935 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:43:44,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:43:44,935 INFO L82 PathProgramCache]: Analyzing trace with hash 566832214, now seen corresponding path program 1 times [2019-10-07 14:43:44,936 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:43:44,936 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:43:44,936 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:43:44,936 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:43:44,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:43:45,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:43:45,233 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-07 14:43:45,233 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:43:45,234 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:43:45,234 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:43:45,236 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:43:45,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:43:45,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:43:45,237 INFO L87 Difference]: Start difference. First operand 412 states and 485 transitions. Second operand 3 states. [2019-10-07 14:43:45,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:43:45,297 INFO L93 Difference]: Finished difference Result 808 states and 980 transitions. [2019-10-07 14:43:45,298 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:43:45,298 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 189 [2019-10-07 14:43:45,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:43:45,306 INFO L225 Difference]: With dead ends: 808 [2019-10-07 14:43:45,306 INFO L226 Difference]: Without dead ends: 454 [2019-10-07 14:43:45,308 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 14:43:45,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2019-10-07 14:43:45,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 453. [2019-10-07 14:43:45,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 453 states. [2019-10-07 14:43:45,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 556 transitions. [2019-10-07 14:43:45,342 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 556 transitions. Word has length 189 [2019-10-07 14:43:45,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:43:45,343 INFO L462 AbstractCegarLoop]: Abstraction has 453 states and 556 transitions. [2019-10-07 14:43:45,343 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:43:45,344 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 556 transitions. [2019-10-07 14:43:45,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2019-10-07 14:43:45,350 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:43:45,351 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1] [2019-10-07 14:43:45,351 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:43:45,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:43:45,352 INFO L82 PathProgramCache]: Analyzing trace with hash -1167203054, now seen corresponding path program 1 times [2019-10-07 14:43:45,352 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:43:45,352 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:43:45,353 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:43:45,353 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:43:45,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:43:45,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:43:46,297 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-10-07 14:43:46,299 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:43:46,299 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 14:43:46,299 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 14:43:46,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:43:46,919 INFO L256 TraceCheckSpWp]: Trace formula consists of 2931 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-07 14:43:46,939 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 14:43:47,085 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-07 14:43:47,085 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 14:43:47,475 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-10-07 14:43:47,476 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 14:43:47,509 INFO L162 IcfgInterpreter]: Started Sifa with 167 locations of interest [2019-10-07 14:43:47,510 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 14:43:47,517 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 14:43:47,526 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 14:43:47,526 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 14:44:39,722 WARN L191 SmtUtils]: Spent 486.00 ms on a formula simplification that was a NOOP. DAG size: 686 [2019-10-07 14:44:44,060 WARN L191 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 316 DAG size of output: 257 [2019-10-07 14:44:44,432 WARN L191 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 727 [2019-10-07 14:44:44,743 WARN L191 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 727 [2019-10-07 14:44:45,084 WARN L191 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 727 [2019-10-07 14:44:45,287 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 447 [2019-10-07 14:44:45,958 WARN L191 SmtUtils]: Spent 668.00 ms on a formula simplification that was a NOOP. DAG size: 1023 [2019-10-07 14:44:46,627 WARN L191 SmtUtils]: Spent 649.00 ms on a formula simplification that was a NOOP. DAG size: 1023 [2019-10-07 14:44:47,299 WARN L191 SmtUtils]: Spent 667.00 ms on a formula simplification that was a NOOP. DAG size: 1023 [2019-10-07 14:44:47,431 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 447 [2019-10-07 14:44:48,087 WARN L191 SmtUtils]: Spent 654.00 ms on a formula simplification that was a NOOP. DAG size: 1023 [2019-10-07 14:44:49,264 WARN L191 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 1025 DAG size of output: 1023 [2019-10-07 14:44:49,884 WARN L191 SmtUtils]: Spent 614.00 ms on a formula simplification that was a NOOP. DAG size: 1023 [2019-10-07 14:44:50,030 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 447 [2019-10-07 14:44:50,667 WARN L191 SmtUtils]: Spent 634.00 ms on a formula simplification that was a NOOP. DAG size: 1023 [2019-10-07 14:44:51,280 WARN L191 SmtUtils]: Spent 610.00 ms on a formula simplification that was a NOOP. DAG size: 1023 [2019-10-07 14:44:51,887 WARN L191 SmtUtils]: Spent 603.00 ms on a formula simplification that was a NOOP. DAG size: 1023 [2019-10-07 14:44:52,015 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 447 [2019-10-07 14:44:52,630 WARN L191 SmtUtils]: Spent 613.00 ms on a formula simplification that was a NOOP. DAG size: 1023 [2019-10-07 14:44:52,658 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 559 for LOIs [2019-10-07 14:44:53,001 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 652 [2019-10-07 14:44:53,105 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 652 [2019-10-07 14:44:53,245 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 447 [2019-10-07 14:44:53,696 WARN L191 SmtUtils]: Spent 449.00 ms on a formula simplification that was a NOOP. DAG size: 948 [2019-10-07 14:44:53,698 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1069 for LOIs [2019-10-07 14:44:54,291 WARN L191 SmtUtils]: Spent 592.00 ms on a formula simplification that was a NOOP. DAG size: 1069 [2019-10-07 14:44:54,883 WARN L191 SmtUtils]: Spent 588.00 ms on a formula simplification that was a NOOP. DAG size: 1069 [2019-10-07 14:44:55,124 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 588 [2019-10-07 14:44:55,986 WARN L191 SmtUtils]: Spent 860.00 ms on a formula simplification that was a NOOP. DAG size: 1211 [2019-10-07 14:44:56,606 WARN L191 SmtUtils]: Spent 605.00 ms on a formula simplification that was a NOOP. DAG size: 1069 [2019-10-07 14:44:57,209 WARN L191 SmtUtils]: Spent 599.00 ms on a formula simplification that was a NOOP. DAG size: 1069 [2019-10-07 14:44:57,425 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 588 [2019-10-07 14:44:58,298 WARN L191 SmtUtils]: Spent 871.00 ms on a formula simplification that was a NOOP. DAG size: 1211 [2019-10-07 14:44:58,955 WARN L191 SmtUtils]: Spent 619.00 ms on a formula simplification that was a NOOP. DAG size: 1069 [2019-10-07 14:44:59,544 WARN L191 SmtUtils]: Spent 584.00 ms on a formula simplification that was a NOOP. DAG size: 1069 [2019-10-07 14:44:59,757 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 588 [2019-10-07 14:45:00,638 WARN L191 SmtUtils]: Spent 879.00 ms on a formula simplification that was a NOOP. DAG size: 1211 [2019-10-07 14:45:01,600 WARN L191 SmtUtils]: Spent 934.00 ms on a formula simplification. DAG size of input: 1213 DAG size of output: 1069 [2019-10-07 14:45:02,197 WARN L191 SmtUtils]: Spent 593.00 ms on a formula simplification that was a NOOP. DAG size: 1069 [2019-10-07 14:45:02,601 WARN L191 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 588 [2019-10-07 14:45:03,477 WARN L191 SmtUtils]: Spent 874.00 ms on a formula simplification that was a NOOP. DAG size: 1211 [2019-10-07 14:45:04,091 WARN L191 SmtUtils]: Spent 598.00 ms on a formula simplification that was a NOOP. DAG size: 1069 [2019-10-07 14:45:04,693 WARN L191 SmtUtils]: Spent 599.00 ms on a formula simplification that was a NOOP. DAG size: 1069 [2019-10-07 14:45:04,916 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 588 [2019-10-07 14:45:05,782 WARN L191 SmtUtils]: Spent 864.00 ms on a formula simplification that was a NOOP. DAG size: 1211 [2019-10-07 14:45:06,375 WARN L191 SmtUtils]: Spent 589.00 ms on a formula simplification that was a NOOP. DAG size: 1069 [2019-10-07 14:45:06,975 WARN L191 SmtUtils]: Spent 598.00 ms on a formula simplification that was a NOOP. DAG size: 1069 [2019-10-07 14:45:07,189 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 588 [2019-10-07 14:45:08,042 WARN L191 SmtUtils]: Spent 850.00 ms on a formula simplification that was a NOOP. DAG size: 1211 [2019-10-07 14:45:08,631 WARN L191 SmtUtils]: Spent 587.00 ms on a formula simplification that was a NOOP. DAG size: 1069 [2019-10-07 14:45:09,236 WARN L191 SmtUtils]: Spent 601.00 ms on a formula simplification that was a NOOP. DAG size: 1069 [2019-10-07 14:45:09,446 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 588 [2019-10-07 14:45:10,324 WARN L191 SmtUtils]: Spent 877.00 ms on a formula simplification that was a NOOP. DAG size: 1211 [2019-10-07 14:45:10,920 WARN L191 SmtUtils]: Spent 592.00 ms on a formula simplification that was a NOOP. DAG size: 1069 [2019-10-07 14:45:11,519 WARN L191 SmtUtils]: Spent 597.00 ms on a formula simplification that was a NOOP. DAG size: 1069 [2019-10-07 14:45:11,768 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 588 [2019-10-07 14:45:12,628 WARN L191 SmtUtils]: Spent 857.00 ms on a formula simplification that was a NOOP. DAG size: 1211 [2019-10-07 14:45:13,223 WARN L191 SmtUtils]: Spent 593.00 ms on a formula simplification that was a NOOP. DAG size: 1069 [2019-10-07 14:45:13,821 WARN L191 SmtUtils]: Spent 594.00 ms on a formula simplification that was a NOOP. DAG size: 1069 [2019-10-07 14:45:14,033 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 588 [2019-10-07 14:45:14,903 WARN L191 SmtUtils]: Spent 868.00 ms on a formula simplification that was a NOOP. DAG size: 1211 [2019-10-07 14:45:15,503 WARN L191 SmtUtils]: Spent 598.00 ms on a formula simplification that was a NOOP. DAG size: 1069 [2019-10-07 14:45:16,103 WARN L191 SmtUtils]: Spent 596.00 ms on a formula simplification that was a NOOP. DAG size: 1069 [2019-10-07 14:45:16,315 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 588 [2019-10-07 14:45:17,174 WARN L191 SmtUtils]: Spent 857.00 ms on a formula simplification that was a NOOP. DAG size: 1211 [2019-10-07 14:45:17,768 WARN L191 SmtUtils]: Spent 591.00 ms on a formula simplification that was a NOOP. DAG size: 1069 [2019-10-07 14:45:18,363 WARN L191 SmtUtils]: Spent 592.00 ms on a formula simplification that was a NOOP. DAG size: 1069 [2019-10-07 14:45:18,570 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 588 [2019-10-07 14:45:19,437 WARN L191 SmtUtils]: Spent 864.00 ms on a formula simplification that was a NOOP. DAG size: 1211 [2019-10-07 14:45:20,033 WARN L191 SmtUtils]: Spent 593.00 ms on a formula simplification that was a NOOP. DAG size: 1069 [2019-10-07 14:45:20,625 WARN L191 SmtUtils]: Spent 588.00 ms on a formula simplification that was a NOOP. DAG size: 1069 [2019-10-07 14:45:20,834 WARN L191 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 588 [2019-10-07 14:45:21,707 WARN L191 SmtUtils]: Spent 870.00 ms on a formula simplification that was a NOOP. DAG size: 1211 [2019-10-07 14:45:22,300 WARN L191 SmtUtils]: Spent 591.00 ms on a formula simplification that was a NOOP. DAG size: 1069 [2019-10-07 14:45:22,888 WARN L191 SmtUtils]: Spent 585.00 ms on a formula simplification that was a NOOP. DAG size: 1069 [2019-10-07 14:45:23,100 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 588 [2019-10-07 14:45:23,983 WARN L191 SmtUtils]: Spent 880.00 ms on a formula simplification that was a NOOP. DAG size: 1211 [2019-10-07 14:45:25,090 WARN L191 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 1211 [2019-10-07 14:45:25,960 WARN L191 SmtUtils]: Spent 866.00 ms on a formula simplification that was a NOOP. DAG size: 1211 [2019-10-07 14:45:26,277 WARN L191 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 588 [2019-10-07 14:45:27,150 WARN L191 SmtUtils]: Spent 871.00 ms on a formula simplification that was a NOOP. DAG size: 1211 [2019-10-07 14:45:28,765 WARN L191 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 1213 DAG size of output: 1211 [2019-10-07 14:45:29,641 WARN L191 SmtUtils]: Spent 872.00 ms on a formula simplification that was a NOOP. DAG size: 1211 [2019-10-07 14:45:29,863 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 588 [2019-10-07 14:45:30,729 WARN L191 SmtUtils]: Spent 863.00 ms on a formula simplification that was a NOOP. DAG size: 1211 [2019-10-07 14:45:31,600 WARN L191 SmtUtils]: Spent 868.00 ms on a formula simplification that was a NOOP. DAG size: 1211 [2019-10-07 14:45:32,471 WARN L191 SmtUtils]: Spent 867.00 ms on a formula simplification that was a NOOP. DAG size: 1211 [2019-10-07 14:45:32,685 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 588 [2019-10-07 14:45:33,549 WARN L191 SmtUtils]: Spent 862.00 ms on a formula simplification that was a NOOP. DAG size: 1211 [2019-10-07 14:45:34,454 WARN L191 SmtUtils]: Spent 871.00 ms on a formula simplification that was a NOOP. DAG size: 1215 [2019-10-07 14:45:35,331 WARN L191 SmtUtils]: Spent 874.00 ms on a formula simplification that was a NOOP. DAG size: 1215 [2019-10-07 14:45:35,553 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-07 14:45:36,430 WARN L191 SmtUtils]: Spent 875.00 ms on a formula simplification that was a NOOP. DAG size: 1215 [2019-10-07 14:45:38,099 WARN L191 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 1217 DAG size of output: 1215 [2019-10-07 14:45:38,980 WARN L191 SmtUtils]: Spent 876.00 ms on a formula simplification that was a NOOP. DAG size: 1215 [2019-10-07 14:45:39,210 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-07 14:45:40,081 WARN L191 SmtUtils]: Spent 869.00 ms on a formula simplification that was a NOOP. DAG size: 1215 [2019-10-07 14:45:41,688 WARN L191 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 1217 DAG size of output: 1215 [2019-10-07 14:45:42,604 WARN L191 SmtUtils]: Spent 912.00 ms on a formula simplification that was a NOOP. DAG size: 1215 [2019-10-07 14:45:42,820 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-07 14:45:43,715 WARN L191 SmtUtils]: Spent 893.00 ms on a formula simplification that was a NOOP. DAG size: 1215 [2019-10-07 14:45:45,148 WARN L191 SmtUtils]: Spent 1.42 s on a formula simplification that was a NOOP. DAG size: 1213 [2019-10-07 14:45:46,042 WARN L191 SmtUtils]: Spent 889.00 ms on a formula simplification that was a NOOP. DAG size: 1213 [2019-10-07 14:45:46,263 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-07 14:45:47,159 WARN L191 SmtUtils]: Spent 895.00 ms on a formula simplification that was a NOOP. DAG size: 1215 [2019-10-07 14:45:48,051 WARN L191 SmtUtils]: Spent 887.00 ms on a formula simplification that was a NOOP. DAG size: 1215 [2019-10-07 14:45:48,960 WARN L191 SmtUtils]: Spent 906.00 ms on a formula simplification that was a NOOP. DAG size: 1215 [2019-10-07 14:45:49,182 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-07 14:45:50,072 WARN L191 SmtUtils]: Spent 888.00 ms on a formula simplification that was a NOOP. DAG size: 1217 [2019-10-07 14:45:51,735 WARN L191 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 1213 DAG size of output: 1211 [2019-10-07 14:45:52,628 WARN L191 SmtUtils]: Spent 888.00 ms on a formula simplification that was a NOOP. DAG size: 1211 [2019-10-07 14:45:52,866 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 588 [2019-10-07 14:45:53,754 WARN L191 SmtUtils]: Spent 885.00 ms on a formula simplification that was a NOOP. DAG size: 1211 [2019-10-07 14:45:56,285 WARN L191 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 1213 DAG size of output: 1211 [2019-10-07 14:45:57,188 WARN L191 SmtUtils]: Spent 899.00 ms on a formula simplification that was a NOOP. DAG size: 1211 [2019-10-07 14:45:57,432 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 588 [2019-10-07 14:45:58,318 WARN L191 SmtUtils]: Spent 883.00 ms on a formula simplification that was a NOOP. DAG size: 1211 [2019-10-07 14:45:59,209 WARN L191 SmtUtils]: Spent 888.00 ms on a formula simplification that was a NOOP. DAG size: 1211 [2019-10-07 14:46:00,098 WARN L191 SmtUtils]: Spent 885.00 ms on a formula simplification that was a NOOP. DAG size: 1211 [2019-10-07 14:46:00,312 WARN L191 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 588 [2019-10-07 14:46:01,195 WARN L191 SmtUtils]: Spent 880.00 ms on a formula simplification that was a NOOP. DAG size: 1211 [2019-10-07 14:46:02,860 WARN L191 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 1213 DAG size of output: 1211 [2019-10-07 14:46:03,744 WARN L191 SmtUtils]: Spent 881.00 ms on a formula simplification that was a NOOP. DAG size: 1211 [2019-10-07 14:46:03,968 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 588 [2019-10-07 14:46:04,840 WARN L191 SmtUtils]: Spent 870.00 ms on a formula simplification that was a NOOP. DAG size: 1211 [2019-10-07 14:46:06,468 WARN L191 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 1213 DAG size of output: 1211 [2019-10-07 14:46:07,361 WARN L191 SmtUtils]: Spent 888.00 ms on a formula simplification that was a NOOP. DAG size: 1211 [2019-10-07 14:46:07,601 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 588 [2019-10-07 14:46:08,480 WARN L191 SmtUtils]: Spent 877.00 ms on a formula simplification that was a NOOP. DAG size: 1211 [2019-10-07 14:46:09,374 WARN L191 SmtUtils]: Spent 890.00 ms on a formula simplification that was a NOOP. DAG size: 1211 [2019-10-07 14:46:10,251 WARN L191 SmtUtils]: Spent 873.00 ms on a formula simplification that was a NOOP. DAG size: 1211 [2019-10-07 14:46:10,470 WARN L191 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 588 [2019-10-07 14:46:11,357 WARN L191 SmtUtils]: Spent 884.00 ms on a formula simplification that was a NOOP. DAG size: 1211 [2019-10-07 14:46:12,938 WARN L191 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 1217 DAG size of output: 1213 [2019-10-07 14:46:13,837 WARN L191 SmtUtils]: Spent 895.00 ms on a formula simplification that was a NOOP. DAG size: 1213 [2019-10-07 14:46:14,059 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-07 14:46:14,966 WARN L191 SmtUtils]: Spent 905.00 ms on a formula simplification that was a NOOP. DAG size: 1215 [2019-10-07 14:46:16,581 WARN L191 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 1217 DAG size of output: 1213 [2019-10-07 14:46:17,475 WARN L191 SmtUtils]: Spent 890.00 ms on a formula simplification that was a NOOP. DAG size: 1213 [2019-10-07 14:46:17,699 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-07 14:46:18,586 WARN L191 SmtUtils]: Spent 885.00 ms on a formula simplification that was a NOOP. DAG size: 1215 [2019-10-07 14:46:19,464 WARN L191 SmtUtils]: Spent 874.00 ms on a formula simplification that was a NOOP. DAG size: 1213 [2019-10-07 14:46:20,357 WARN L191 SmtUtils]: Spent 889.00 ms on a formula simplification that was a NOOP. DAG size: 1213 [2019-10-07 14:46:20,571 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-07 14:46:21,455 WARN L191 SmtUtils]: Spent 882.00 ms on a formula simplification that was a NOOP. DAG size: 1215 [2019-10-07 14:46:23,013 WARN L191 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 1217 DAG size of output: 1213 [2019-10-07 14:46:23,894 WARN L191 SmtUtils]: Spent 877.00 ms on a formula simplification that was a NOOP. DAG size: 1213 [2019-10-07 14:46:24,157 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-07 14:46:25,044 WARN L191 SmtUtils]: Spent 885.00 ms on a formula simplification that was a NOOP. DAG size: 1215 [2019-10-07 14:46:26,583 WARN L191 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 1219 DAG size of output: 1215 [2019-10-07 14:46:27,494 WARN L191 SmtUtils]: Spent 907.00 ms on a formula simplification that was a NOOP. DAG size: 1215 [2019-10-07 14:46:27,725 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 591 [2019-10-07 14:46:28,612 WARN L191 SmtUtils]: Spent 886.00 ms on a formula simplification that was a NOOP. DAG size: 1217 [2019-10-07 14:46:28,862 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:46:28,863 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 14:46:28,870 INFO L168 Benchmark]: Toolchain (without parser) took 171810.70 ms. Allocated memory was 144.2 MB in the beginning and 801.6 MB in the end (delta: 657.5 MB). Free memory was 97.8 MB in the beginning and 199.0 MB in the end (delta: -101.3 MB). Peak memory consumption was 556.2 MB. Max. memory is 7.1 GB. [2019-10-07 14:46:28,871 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 144.2 MB. Free memory is still 118.9 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-07 14:46:28,871 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1238.65 ms. Allocated memory was 144.2 MB in the beginning and 201.9 MB in the end (delta: 57.7 MB). Free memory was 97.8 MB in the beginning and 130.5 MB in the end (delta: -32.8 MB). Peak memory consumption was 33.0 MB. Max. memory is 7.1 GB. [2019-10-07 14:46:28,872 INFO L168 Benchmark]: Boogie Preprocessor took 243.85 ms. Allocated memory is still 201.9 MB. Free memory was 130.5 MB in the beginning and 121.2 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-10-07 14:46:28,873 INFO L168 Benchmark]: RCFGBuilder took 4699.27 ms. Allocated memory was 201.9 MB in the beginning and 299.4 MB in the end (delta: 97.5 MB). Free memory was 121.2 MB in the beginning and 92.3 MB in the end (delta: 29.0 MB). Peak memory consumption was 126.5 MB. Max. memory is 7.1 GB. [2019-10-07 14:46:28,873 INFO L168 Benchmark]: TraceAbstraction took 165624.32 ms. Allocated memory was 299.4 MB in the beginning and 801.6 MB in the end (delta: 502.3 MB). Free memory was 92.3 MB in the beginning and 199.0 MB in the end (delta: -106.8 MB). Peak memory consumption was 395.5 MB. Max. memory is 7.1 GB. [2019-10-07 14:46:28,876 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 144.2 MB. Free memory is still 118.9 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1238.65 ms. Allocated memory was 144.2 MB in the beginning and 201.9 MB in the end (delta: 57.7 MB). Free memory was 97.8 MB in the beginning and 130.5 MB in the end (delta: -32.8 MB). Peak memory consumption was 33.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 243.85 ms. Allocated memory is still 201.9 MB. Free memory was 130.5 MB in the beginning and 121.2 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4699.27 ms. Allocated memory was 201.9 MB in the beginning and 299.4 MB in the end (delta: 97.5 MB). Free memory was 121.2 MB in the beginning and 92.3 MB in the end (delta: 29.0 MB). Peak memory consumption was 126.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 165624.32 ms. Allocated memory was 299.4 MB in the beginning and 801.6 MB in the end (delta: 502.3 MB). Free memory was 92.3 MB in the beginning and 199.0 MB in the end (delta: -106.8 MB). Peak memory consumption was 395.5 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...