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_spec8_product21.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 15:07:00,680 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 15:07:00,683 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 15:07:00,700 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 15:07:00,701 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 15:07:00,702 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 15:07:00,704 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 15:07:00,713 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 15:07:00,718 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 15:07:00,720 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 15:07:00,722 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 15:07:00,723 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 15:07:00,723 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 15:07:00,725 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 15:07:00,727 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 15:07:00,728 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 15:07:00,729 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 15:07:00,730 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 15:07:00,731 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 15:07:00,736 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 15:07:00,739 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 15:07:00,742 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 15:07:00,744 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 15:07:00,745 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 15:07:00,746 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 15:07:00,747 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 15:07:00,747 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 15:07:00,748 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 15:07:00,750 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 15:07:00,750 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 15:07:00,751 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 15:07:00,752 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 15:07:00,753 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 15:07:00,754 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 15:07:00,756 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 15:07:00,756 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 15:07:00,756 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 15:07:00,757 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 15:07:00,757 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 15:07:00,758 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 15:07:00,759 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 15:07:00,760 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-07 15:07:00,787 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 15:07:00,787 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 15:07:00,790 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 15:07:00,790 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 15:07:00,790 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 15:07:00,791 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 15:07:00,791 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 15:07:00,791 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 15:07:00,791 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 15:07:00,791 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 15:07:00,792 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 15:07:00,792 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 15:07:00,792 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 15:07:00,797 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 15:07:00,797 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 15:07:00,798 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 15:07:00,798 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 15:07:00,798 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 15:07:00,798 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 15:07:00,798 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 15:07:00,799 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 15:07:00,799 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:07:00,799 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 15:07:00,799 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 15:07:00,799 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 15:07:00,800 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 15:07:00,800 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 15:07:00,800 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 15:07:00,800 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 15:07:01,058 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 15:07:01,069 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 15:07:01,072 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 15:07:01,073 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 15:07:01,074 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 15:07:01,075 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec8_product21.cil.c [2019-10-07 15:07:01,133 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dde0d117f/0184df9d160a4721a6c47d4ba890f834/FLAG797585195 [2019-10-07 15:07:01,738 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 15:07:01,739 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec8_product21.cil.c [2019-10-07 15:07:01,772 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dde0d117f/0184df9d160a4721a6c47d4ba890f834/FLAG797585195 [2019-10-07 15:07:01,885 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dde0d117f/0184df9d160a4721a6c47d4ba890f834 [2019-10-07 15:07:01,898 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 15:07:01,902 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 15:07:01,904 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 15:07:01,904 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 15:07:01,908 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 15:07:01,909 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:07:01" (1/1) ... [2019-10-07 15:07:01,912 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54ba3917 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:07:01, skipping insertion in model container [2019-10-07 15:07:01,912 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 03:07:01" (1/1) ... [2019-10-07 15:07:01,921 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 15:07:02,010 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 15:07:02,819 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:07:02,836 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 15:07:02,955 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 15:07:03,055 INFO L192 MainTranslator]: Completed translation [2019-10-07 15:07:03,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:07:03 WrapperNode [2019-10-07 15:07:03,055 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 15:07:03,056 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 15:07:03,056 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 15:07:03,056 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 15:07:03,066 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:07:03" (1/1) ... [2019-10-07 15:07:03,066 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:07:03" (1/1) ... [2019-10-07 15:07:03,096 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:07:03" (1/1) ... [2019-10-07 15:07:03,097 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:07:03" (1/1) ... [2019-10-07 15:07:03,152 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:07:03" (1/1) ... [2019-10-07 15:07:03,195 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:07:03" (1/1) ... [2019-10-07 15:07:03,217 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:07:03" (1/1) ... [2019-10-07 15:07:03,239 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 15:07:03,240 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 15:07:03,240 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 15:07:03,240 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 15:07:03,243 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:07:03" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 15:07:03,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 15:07:03,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 15:07:03,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 15:07:03,327 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-07 15:07:03,327 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-07 15:07:03,328 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-07 15:07:03,329 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-07 15:07:03,330 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-07 15:07:03,330 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-07 15:07:03,330 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-07 15:07:03,331 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-07 15:07:03,332 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 15:07:03,332 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 15:07:03,333 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-07 15:07:03,333 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-07 15:07:03,333 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-07 15:07:03,336 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-07 15:07:03,336 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-07 15:07:03,336 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-07 15:07:03,336 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-07 15:07:03,337 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-07 15:07:03,337 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-07 15:07:03,337 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-07 15:07:03,338 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-07 15:07:03,338 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-07 15:07:03,338 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-07 15:07:03,338 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-07 15:07:03,338 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-07 15:07:03,339 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-07 15:07:03,339 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-07 15:07:03,339 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-07 15:07:03,339 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-07 15:07:03,339 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2019-10-07 15:07:03,340 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-07 15:07:03,340 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-07 15:07:03,341 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AddressBook [2019-10-07 15:07:03,341 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-07 15:07:03,341 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-07 15:07:03,341 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-07 15:07:03,341 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-07 15:07:03,341 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-07 15:07:03,342 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-07 15:07:03,342 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-07 15:07:03,342 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-07 15:07:03,342 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-07 15:07:03,342 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-07 15:07:03,343 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-07 15:07:03,343 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-07 15:07:03,343 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 15:07:03,343 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 15:07:03,343 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 15:07:03,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 15:07:03,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 15:07:03,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 15:07:03,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 15:07:03,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 15:07:03,344 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__1 [2019-10-07 15:07:03,345 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__2 [2019-10-07 15:07:03,345 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-07 15:07:03,345 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-07 15:07:03,346 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-07 15:07:03,346 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-07 15:07:03,346 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-07 15:07:03,346 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-07 15:07:03,347 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-07 15:07:03,347 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-07 15:07:03,347 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-07 15:07:03,347 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-07 15:07:03,348 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-07 15:07:03,348 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-07 15:07:03,348 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-07 15:07:03,348 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-07 15:07:03,348 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-07 15:07:03,350 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-07 15:07:03,350 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-07 15:07:03,350 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-07 15:07:03,351 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-07 15:07:03,351 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-07 15:07:03,351 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-07 15:07:03,352 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-07 15:07:03,352 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-07 15:07:03,353 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-07 15:07:03,353 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-07 15:07:03,353 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-07 15:07:03,353 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-07 15:07:03,354 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-07 15:07:03,355 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-07 15:07:03,355 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 15:07:03,355 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 15:07:03,355 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 15:07:03,355 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 15:07:03,356 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-07 15:07:03,356 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-07 15:07:03,356 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-07 15:07:03,356 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-07 15:07:03,356 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-07 15:07:03,356 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-07 15:07:03,357 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-07 15:07:03,357 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-07 15:07:03,357 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-07 15:07:03,357 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-07 15:07:03,357 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-07 15:07:03,357 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-07 15:07:03,358 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-07 15:07:03,358 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-07 15:07:03,358 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-07 15:07:03,358 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-07 15:07:03,358 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-07 15:07:03,359 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-07 15:07:03,359 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-07 15:07:03,359 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-07 15:07:03,359 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-07 15:07:03,359 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-07 15:07:03,360 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 15:07:03,360 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 15:07:03,360 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 15:07:03,361 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-07 15:07:03,361 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-07 15:07:03,362 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-07 15:07:03,362 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-07 15:07:03,362 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-07 15:07:03,363 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-07 15:07:03,363 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-07 15:07:03,363 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-07 15:07:03,364 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-07 15:07:03,364 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-07 15:07:03,364 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-07 15:07:03,364 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-07 15:07:03,365 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 15:07:03,365 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 15:07:03,365 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 15:07:03,365 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-07 15:07:03,366 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-07 15:07:03,367 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-07 15:07:03,370 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-07 15:07:03,370 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-07 15:07:03,371 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-07 15:07:03,371 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-07 15:07:03,372 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-07 15:07:03,372 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-07 15:07:03,372 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-07 15:07:03,373 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-07 15:07:03,373 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 15:07:03,374 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 15:07:03,382 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 15:07:03,382 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-07 15:07:03,382 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-07 15:07:03,382 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-07 15:07:03,382 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-07 15:07:03,382 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-07 15:07:03,383 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-07 15:07:03,383 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-07 15:07:03,383 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-07 15:07:03,383 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-07 15:07:03,383 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-07 15:07:03,383 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-07 15:07:03,383 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-07 15:07:03,383 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-07 15:07:03,384 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-07 15:07:03,384 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 15:07:03,384 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-07 15:07:03,384 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-07 15:07:03,385 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-07 15:07:03,385 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-07 15:07:03,385 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-07 15:07:03,385 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-07 15:07:03,385 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-07 15:07:03,386 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-07 15:07:03,386 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-07 15:07:03,386 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-07 15:07:03,386 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-07 15:07:03,386 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-07 15:07:03,386 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-07 15:07:03,386 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-07 15:07:03,387 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-07 15:07:03,387 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-07 15:07:03,387 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-07 15:07:03,387 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-07 15:07:03,387 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-07 15:07:03,387 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-07 15:07:03,387 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-07 15:07:03,388 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-07 15:07:03,388 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-07 15:07:03,388 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-07 15:07:03,388 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-07 15:07:03,388 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-07 15:07:03,388 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-07 15:07:03,389 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-07 15:07:03,389 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-07 15:07:03,389 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-07 15:07:03,389 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__2 [2019-10-07 15:07:03,389 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-07 15:07:03,389 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2019-10-07 15:07:03,390 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AddressBook [2019-10-07 15:07:03,390 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-07 15:07:03,390 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__1 [2019-10-07 15:07:03,390 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 15:07:03,390 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 15:07:03,390 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 15:07:03,390 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 15:07:03,390 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 15:07:03,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 15:07:03,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 15:07:03,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 15:07:03,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 15:07:03,391 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 15:07:03,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 15:07:03,391 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 15:07:03,392 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 15:07:03,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 15:07:03,392 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 15:07:03,392 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 15:07:03,392 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 15:07:03,392 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-07 15:07:03,392 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-07 15:07:03,393 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-07 15:07:03,393 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-07 15:07:03,393 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-07 15:07:03,393 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-07 15:07:03,393 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-07 15:07:03,393 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-07 15:07:03,394 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-07 15:07:03,394 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-07 15:07:03,394 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-07 15:07:03,394 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 15:07:03,394 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-07 15:07:03,394 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-07 15:07:03,394 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-07 15:07:03,395 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-07 15:07:03,395 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-07 15:07:03,395 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-07 15:07:03,395 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-07 15:07:03,395 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-07 15:07:03,395 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-07 15:07:03,395 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-07 15:07:03,396 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-07 15:07:03,396 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-07 15:07:03,396 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-07 15:07:03,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 15:07:03,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 15:07:03,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 15:07:07,703 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 15:07:07,704 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-07 15:07:07,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:07:07 BoogieIcfgContainer [2019-10-07 15:07:07,706 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 15:07:07,707 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 15:07:07,707 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 15:07:07,710 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 15:07:07,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 03:07:01" (1/3) ... [2019-10-07 15:07:07,711 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@660b20ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:07:07, skipping insertion in model container [2019-10-07 15:07:07,711 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 03:07:03" (2/3) ... [2019-10-07 15:07:07,712 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@660b20ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 03:07:07, skipping insertion in model container [2019-10-07 15:07:07,712 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 03:07:07" (3/3) ... [2019-10-07 15:07:07,713 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec8_product21.cil.c [2019-10-07 15:07:07,723 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 15:07:07,731 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 15:07:07,742 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 15:07:07,770 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 15:07:07,770 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 15:07:07,771 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 15:07:07,771 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 15:07:07,771 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 15:07:07,771 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 15:07:07,771 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 15:07:07,771 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 15:07:07,799 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states. [2019-10-07 15:07:07,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2019-10-07 15:07:07,814 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:07:07,816 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:07:07,818 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:07:07,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:07:07,824 INFO L82 PathProgramCache]: Analyzing trace with hash -1099119995, now seen corresponding path program 1 times [2019-10-07 15:07:07,833 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:07:07,833 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:07:07,833 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:07:07,833 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:07:07,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:07:08,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:07:08,392 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 15:07:08,393 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:07:08,393 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:07:08,393 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 15:07:08,398 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 15:07:08,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 15:07:08,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:07:08,414 INFO L87 Difference]: Start difference. First operand 396 states. Second operand 2 states. [2019-10-07 15:07:08,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:07:08,484 INFO L93 Difference]: Finished difference Result 574 states and 683 transitions. [2019-10-07 15:07:08,485 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 15:07:08,487 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 121 [2019-10-07 15:07:08,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:07:08,521 INFO L225 Difference]: With dead ends: 574 [2019-10-07 15:07:08,522 INFO L226 Difference]: Without dead ends: 369 [2019-10-07 15:07:08,535 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 15:07:08,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2019-10-07 15:07:08,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 369. [2019-10-07 15:07:08,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 369 states. [2019-10-07 15:07:08,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 436 transitions. [2019-10-07 15:07:08,672 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 436 transitions. Word has length 121 [2019-10-07 15:07:08,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:07:08,675 INFO L462 AbstractCegarLoop]: Abstraction has 369 states and 436 transitions. [2019-10-07 15:07:08,676 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 15:07:08,676 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 436 transitions. [2019-10-07 15:07:08,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2019-10-07 15:07:08,689 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:07:08,690 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:07:08,691 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:07:08,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:07:08,692 INFO L82 PathProgramCache]: Analyzing trace with hash -2040322882, now seen corresponding path program 1 times [2019-10-07 15:07:08,692 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:07:08,692 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:07:08,692 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:07:08,693 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:07:08,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:07:08,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:07:08,982 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 15:07:08,982 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:07:08,983 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:07:08,983 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:07:08,992 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:07:08,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:07:08,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:07:08,993 INFO L87 Difference]: Start difference. First operand 369 states and 436 transitions. Second operand 3 states. [2019-10-07 15:07:09,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:07:09,061 INFO L93 Difference]: Finished difference Result 559 states and 652 transitions. [2019-10-07 15:07:09,062 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:07:09,062 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 122 [2019-10-07 15:07:09,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:07:09,066 INFO L225 Difference]: With dead ends: 559 [2019-10-07 15:07:09,066 INFO L226 Difference]: Without dead ends: 371 [2019-10-07 15:07:09,068 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:07:09,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2019-10-07 15:07:09,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 371. [2019-10-07 15:07:09,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 371 states. [2019-10-07 15:07:09,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 438 transitions. [2019-10-07 15:07:09,098 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 438 transitions. Word has length 122 [2019-10-07 15:07:09,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:07:09,099 INFO L462 AbstractCegarLoop]: Abstraction has 371 states and 438 transitions. [2019-10-07 15:07:09,099 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:07:09,099 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 438 transitions. [2019-10-07 15:07:09,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2019-10-07 15:07:09,102 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:07:09,102 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:07:09,103 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:07:09,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:07:09,103 INFO L82 PathProgramCache]: Analyzing trace with hash 889432867, now seen corresponding path program 1 times [2019-10-07 15:07:09,103 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:07:09,104 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:07:09,104 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:07:09,104 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:07:09,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:07:09,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:07:09,381 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 15:07:09,381 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:07:09,382 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 15:07:09,382 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 15:07:09,383 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 15:07:09,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 15:07:09,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:07:09,384 INFO L87 Difference]: Start difference. First operand 371 states and 438 transitions. Second operand 3 states. [2019-10-07 15:07:09,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 15:07:09,435 INFO L93 Difference]: Finished difference Result 726 states and 886 transitions. [2019-10-07 15:07:09,435 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 15:07:09,435 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 127 [2019-10-07 15:07:09,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 15:07:09,439 INFO L225 Difference]: With dead ends: 726 [2019-10-07 15:07:09,439 INFO L226 Difference]: Without dead ends: 413 [2019-10-07 15:07:09,441 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 15:07:09,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2019-10-07 15:07:09,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 412. [2019-10-07 15:07:09,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 412 states. [2019-10-07 15:07:09,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 509 transitions. [2019-10-07 15:07:09,470 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 509 transitions. Word has length 127 [2019-10-07 15:07:09,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 15:07:09,471 INFO L462 AbstractCegarLoop]: Abstraction has 412 states and 509 transitions. [2019-10-07 15:07:09,471 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 15:07:09,471 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 509 transitions. [2019-10-07 15:07:09,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2019-10-07 15:07:09,477 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 15:07:09,477 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 15:07:09,477 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 15:07:09,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 15:07:09,478 INFO L82 PathProgramCache]: Analyzing trace with hash 1851002908, now seen corresponding path program 1 times [2019-10-07 15:07:09,478 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 15:07:09,478 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:07:09,478 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:07:09,479 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 15:07:09,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 15:07:09,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:07:09,647 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 15:07:09,648 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 15:07:09,648 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 15:07:09,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:07:10,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 15:07:10,285 INFO L256 TraceCheckSpWp]: Trace formula consists of 2607 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-07 15:07:10,301 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 15:07:10,353 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 15:07:10,353 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 15:07:10,533 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-07 15:07:10,534 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 15:07:10,563 INFO L162 IcfgInterpreter]: Started Sifa with 117 locations of interest [2019-10-07 15:07:10,563 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 15:07:10,570 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 15:07:10,577 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 15:07:10,578 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 15:08:11,475 WARN L191 SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 700 [2019-10-07 15:08:15,678 WARN L191 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 326 DAG size of output: 265 [2019-10-07 15:08:16,102 WARN L191 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 744 [2019-10-07 15:08:16,446 WARN L191 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 744 [2019-10-07 15:08:16,721 WARN L191 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 744 [2019-10-07 15:08:16,932 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 453 [2019-10-07 15:08:17,629 WARN L191 SmtUtils]: Spent 695.00 ms on a formula simplification that was a NOOP. DAG size: 1044 [2019-10-07 15:08:18,316 WARN L191 SmtUtils]: Spent 660.00 ms on a formula simplification that was a NOOP. DAG size: 1044 [2019-10-07 15:08:19,004 WARN L191 SmtUtils]: Spent 683.00 ms on a formula simplification that was a NOOP. DAG size: 1044 [2019-10-07 15:08:19,145 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 453 [2019-10-07 15:08:19,788 WARN L191 SmtUtils]: Spent 641.00 ms on a formula simplification that was a NOOP. DAG size: 1044 [2019-10-07 15:08:21,132 WARN L191 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 1046 DAG size of output: 1044 [2019-10-07 15:08:21,799 WARN L191 SmtUtils]: Spent 663.00 ms on a formula simplification that was a NOOP. DAG size: 1044 [2019-10-07 15:08:21,959 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 453 [2019-10-07 15:08:22,569 WARN L191 SmtUtils]: Spent 609.00 ms on a formula simplification that was a NOOP. DAG size: 1044 [2019-10-07 15:08:23,192 WARN L191 SmtUtils]: Spent 620.00 ms on a formula simplification that was a NOOP. DAG size: 1044 [2019-10-07 15:08:23,833 WARN L191 SmtUtils]: Spent 637.00 ms on a formula simplification that was a NOOP. DAG size: 1044 [2019-10-07 15:08:23,970 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 453 [2019-10-07 15:08:24,575 WARN L191 SmtUtils]: Spent 603.00 ms on a formula simplification that was a NOOP. DAG size: 1044 [2019-10-07 15:08:24,603 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 568 for LOIs [2019-10-07 15:08:24,992 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 665 [2019-10-07 15:08:25,103 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 665 [2019-10-07 15:08:25,229 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 453 [2019-10-07 15:08:25,683 WARN L191 SmtUtils]: Spent 452.00 ms on a formula simplification that was a NOOP. DAG size: 965 [2019-10-07 15:08:25,685 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1100 for LOIs [2019-10-07 15:08:26,298 WARN L191 SmtUtils]: Spent 612.00 ms on a formula simplification that was a NOOP. DAG size: 1100 [2019-10-07 15:08:26,893 WARN L191 SmtUtils]: Spent 591.00 ms on a formula simplification that was a NOOP. DAG size: 1100 [2019-10-07 15:08:27,141 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 15:08:28,091 WARN L191 SmtUtils]: Spent 947.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 15:08:28,705 WARN L191 SmtUtils]: Spent 601.00 ms on a formula simplification that was a NOOP. DAG size: 1100 [2019-10-07 15:08:29,314 WARN L191 SmtUtils]: Spent 605.00 ms on a formula simplification that was a NOOP. DAG size: 1100 [2019-10-07 15:08:29,624 WARN L191 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 15:08:30,579 WARN L191 SmtUtils]: Spent 953.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 15:08:31,226 WARN L191 SmtUtils]: Spent 610.00 ms on a formula simplification that was a NOOP. DAG size: 1100 [2019-10-07 15:08:31,823 WARN L191 SmtUtils]: Spent 593.00 ms on a formula simplification that was a NOOP. DAG size: 1100 [2019-10-07 15:08:32,095 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 15:08:33,047 WARN L191 SmtUtils]: Spent 949.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 15:08:34,014 WARN L191 SmtUtils]: Spent 937.00 ms on a formula simplification. DAG size of input: 1286 DAG size of output: 1100 [2019-10-07 15:08:34,620 WARN L191 SmtUtils]: Spent 602.00 ms on a formula simplification that was a NOOP. DAG size: 1100 [2019-10-07 15:08:34,901 WARN L191 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 15:08:35,863 WARN L191 SmtUtils]: Spent 959.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 15:08:36,469 WARN L191 SmtUtils]: Spent 592.00 ms on a formula simplification that was a NOOP. DAG size: 1100 [2019-10-07 15:08:37,074 WARN L191 SmtUtils]: Spent 601.00 ms on a formula simplification that was a NOOP. DAG size: 1100 [2019-10-07 15:08:37,327 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 15:08:38,285 WARN L191 SmtUtils]: Spent 955.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 15:08:38,881 WARN L191 SmtUtils]: Spent 594.00 ms on a formula simplification that was a NOOP. DAG size: 1100 [2019-10-07 15:08:39,480 WARN L191 SmtUtils]: Spent 596.00 ms on a formula simplification that was a NOOP. DAG size: 1100 [2019-10-07 15:08:39,735 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 15:08:40,679 WARN L191 SmtUtils]: Spent 942.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 15:08:41,281 WARN L191 SmtUtils]: Spent 599.00 ms on a formula simplification that was a NOOP. DAG size: 1100 [2019-10-07 15:08:41,874 WARN L191 SmtUtils]: Spent 590.00 ms on a formula simplification that was a NOOP. DAG size: 1100 [2019-10-07 15:08:42,149 WARN L191 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 15:08:43,099 WARN L191 SmtUtils]: Spent 947.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 15:08:43,705 WARN L191 SmtUtils]: Spent 601.00 ms on a formula simplification that was a NOOP. DAG size: 1100 [2019-10-07 15:08:44,299 WARN L191 SmtUtils]: Spent 591.00 ms on a formula simplification that was a NOOP. DAG size: 1100 [2019-10-07 15:08:44,535 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 15:08:45,484 WARN L191 SmtUtils]: Spent 946.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 15:08:46,079 WARN L191 SmtUtils]: Spent 592.00 ms on a formula simplification that was a NOOP. DAG size: 1100 [2019-10-07 15:08:46,679 WARN L191 SmtUtils]: Spent 597.00 ms on a formula simplification that was a NOOP. DAG size: 1100 [2019-10-07 15:08:46,913 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 15:08:47,860 WARN L191 SmtUtils]: Spent 945.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 15:08:48,446 WARN L191 SmtUtils]: Spent 583.00 ms on a formula simplification that was a NOOP. DAG size: 1100 [2019-10-07 15:08:49,038 WARN L191 SmtUtils]: Spent 589.00 ms on a formula simplification that was a NOOP. DAG size: 1100 [2019-10-07 15:08:49,274 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 15:08:50,221 WARN L191 SmtUtils]: Spent 945.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 15:08:50,810 WARN L191 SmtUtils]: Spent 587.00 ms on a formula simplification that was a NOOP. DAG size: 1100 [2019-10-07 15:08:51,404 WARN L191 SmtUtils]: Spent 591.00 ms on a formula simplification that was a NOOP. DAG size: 1100 [2019-10-07 15:08:51,640 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 15:08:52,593 WARN L191 SmtUtils]: Spent 952.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 15:08:53,185 WARN L191 SmtUtils]: Spent 589.00 ms on a formula simplification that was a NOOP. DAG size: 1100 [2019-10-07 15:08:53,786 WARN L191 SmtUtils]: Spent 597.00 ms on a formula simplification that was a NOOP. DAG size: 1100 [2019-10-07 15:08:54,022 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 15:08:54,978 WARN L191 SmtUtils]: Spent 954.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 15:08:55,569 WARN L191 SmtUtils]: Spent 587.00 ms on a formula simplification that was a NOOP. DAG size: 1100 [2019-10-07 15:08:56,162 WARN L191 SmtUtils]: Spent 590.00 ms on a formula simplification that was a NOOP. DAG size: 1100 [2019-10-07 15:08:56,396 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 15:08:57,338 WARN L191 SmtUtils]: Spent 939.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 15:08:58,354 WARN L191 SmtUtils]: Spent 961.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 15:08:59,308 WARN L191 SmtUtils]: Spent 950.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 15:08:59,552 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 15:09:00,513 WARN L191 SmtUtils]: Spent 958.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 15:09:02,280 WARN L191 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 1286 DAG size of output: 1284 [2019-10-07 15:09:03,229 WARN L191 SmtUtils]: Spent 945.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 15:09:03,483 WARN L191 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 15:09:04,434 WARN L191 SmtUtils]: Spent 948.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 15:09:05,387 WARN L191 SmtUtils]: Spent 950.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 15:09:06,336 WARN L191 SmtUtils]: Spent 945.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 15:09:06,570 WARN L191 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 15:09:07,516 WARN L191 SmtUtils]: Spent 944.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 15:09:08,516 WARN L191 SmtUtils]: Spent 958.00 ms on a formula simplification that was a NOOP. DAG size: 1286 [2019-10-07 15:09:09,470 WARN L191 SmtUtils]: Spent 951.00 ms on a formula simplification that was a NOOP. DAG size: 1286 [2019-10-07 15:09:09,715 WARN L191 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 636 [2019-10-07 15:09:10,671 WARN L191 SmtUtils]: Spent 954.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 15:09:13,249 WARN L191 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1286 [2019-10-07 15:09:14,206 WARN L191 SmtUtils]: Spent 952.00 ms on a formula simplification that was a NOOP. DAG size: 1286 [2019-10-07 15:09:14,452 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 636 [2019-10-07 15:09:15,419 WARN L191 SmtUtils]: Spent 964.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 15:09:16,378 WARN L191 SmtUtils]: Spent 956.00 ms on a formula simplification that was a NOOP. DAG size: 1286 [2019-10-07 15:09:17,334 WARN L191 SmtUtils]: Spent 952.00 ms on a formula simplification that was a NOOP. DAG size: 1286 [2019-10-07 15:09:17,571 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 636 [2019-10-07 15:09:18,529 WARN L191 SmtUtils]: Spent 956.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 15:09:19,486 WARN L191 SmtUtils]: Spent 948.00 ms on a formula simplification that was a NOOP. DAG size: 1286 [2019-10-07 15:09:20,448 WARN L191 SmtUtils]: Spent 958.00 ms on a formula simplification that was a NOOP. DAG size: 1286 [2019-10-07 15:09:20,701 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 636 [2019-10-07 15:09:21,677 WARN L191 SmtUtils]: Spent 974.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 15:09:22,647 WARN L191 SmtUtils]: Spent 966.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 15:09:23,618 WARN L191 SmtUtils]: Spent 968.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 15:09:23,868 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 636 [2019-10-07 15:09:24,844 WARN L191 SmtUtils]: Spent 973.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 15:09:27,392 WARN L191 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 1286 DAG size of output: 1284 [2019-10-07 15:09:28,358 WARN L191 SmtUtils]: Spent 961.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 15:09:28,610 WARN L191 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 15:09:29,571 WARN L191 SmtUtils]: Spent 959.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 15:09:32,303 WARN L191 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 1286 DAG size of output: 1284 [2019-10-07 15:09:33,268 WARN L191 SmtUtils]: Spent 961.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 15:09:33,545 WARN L191 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 15:09:34,511 WARN L191 SmtUtils]: Spent 964.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 15:09:35,480 WARN L191 SmtUtils]: Spent 966.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 15:09:36,458 WARN L191 SmtUtils]: Spent 974.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 15:09:36,696 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 15:09:37,661 WARN L191 SmtUtils]: Spent 963.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 15:09:39,486 WARN L191 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 1286 DAG size of output: 1284 [2019-10-07 15:09:40,450 WARN L191 SmtUtils]: Spent 960.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 15:09:40,703 WARN L191 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 15:09:41,670 WARN L191 SmtUtils]: Spent 965.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 15:09:43,453 WARN L191 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 1286 DAG size of output: 1284 [2019-10-07 15:09:44,428 WARN L191 SmtUtils]: Spent 971.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 15:09:44,674 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 15:09:45,651 WARN L191 SmtUtils]: Spent 975.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 15:09:46,623 WARN L191 SmtUtils]: Spent 968.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 15:09:47,596 WARN L191 SmtUtils]: Spent 969.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 15:09:47,832 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 633 [2019-10-07 15:09:48,808 WARN L191 SmtUtils]: Spent 973.00 ms on a formula simplification that was a NOOP. DAG size: 1284 [2019-10-07 15:09:49,821 WARN L191 SmtUtils]: Spent 980.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 15:09:50,792 WARN L191 SmtUtils]: Spent 967.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 15:09:51,047 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 636 [2019-10-07 15:09:52,020 WARN L191 SmtUtils]: Spent 971.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 15:09:53,808 WARN L191 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1286 [2019-10-07 15:09:54,773 WARN L191 SmtUtils]: Spent 961.00 ms on a formula simplification that was a NOOP. DAG size: 1286 [2019-10-07 15:09:55,035 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 636 [2019-10-07 15:09:56,002 WARN L191 SmtUtils]: Spent 965.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 15:09:57,779 WARN L191 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 1290 DAG size of output: 1286 [2019-10-07 15:09:58,748 WARN L191 SmtUtils]: Spent 964.00 ms on a formula simplification that was a NOOP. DAG size: 1286 [2019-10-07 15:09:58,984 WARN L191 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 636 [2019-10-07 15:09:59,954 WARN L191 SmtUtils]: Spent 967.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 15:10:01,629 WARN L191 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 1295 DAG size of output: 1288 [2019-10-07 15:10:02,597 WARN L191 SmtUtils]: Spent 963.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 15:10:02,884 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 636 [2019-10-07 15:10:03,847 WARN L191 SmtUtils]: Spent 960.00 ms on a formula simplification that was a NOOP. DAG size: 1288 [2019-10-07 15:10:05,508 WARN L191 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 1297 DAG size of output: 1290 [2019-10-07 15:10:06,485 WARN L191 SmtUtils]: Spent 974.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 15:10:06,773 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 636 [2019-10-07 15:10:07,750 WARN L191 SmtUtils]: Spent 974.00 ms on a formula simplification that was a NOOP. DAG size: 1290 [2019-10-07 15:10:08,016 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:10:08,017 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.generateProof(TraceAbstractionRefinementEngine.java:177) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:133) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε at de.uni_freiburg.informatik.ultimate.lib.sifa.PriorityWorklist.add(PriorityWorklist.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.lambda$2(DagInterpreter.java:135) at java.lang.Iterable.forEach(Iterable.java:75) at java.util.Collections$UnmodifiableCollection.forEach(Collections.java:1080) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:135) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:139) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:287) ... 21 more [2019-10-07 15:10:08,025 INFO L168 Benchmark]: Toolchain (without parser) took 186125.74 ms. Allocated memory was 139.5 MB in the beginning and 891.3 MB in the end (delta: 751.8 MB). Free memory was 100.7 MB in the beginning and 309.9 MB in the end (delta: -209.2 MB). Peak memory consumption was 542.7 MB. Max. memory is 7.1 GB. [2019-10-07 15:10:08,026 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 121.5 MB in the beginning and 121.2 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-07 15:10:08,027 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1151.84 ms. Allocated memory was 139.5 MB in the beginning and 203.9 MB in the end (delta: 64.5 MB). Free memory was 100.5 MB in the beginning and 140.2 MB in the end (delta: -39.8 MB). Peak memory consumption was 35.2 MB. Max. memory is 7.1 GB. [2019-10-07 15:10:08,027 INFO L168 Benchmark]: Boogie Preprocessor took 183.43 ms. Allocated memory is still 203.9 MB. Free memory was 140.2 MB in the beginning and 131.2 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2019-10-07 15:10:08,028 INFO L168 Benchmark]: RCFGBuilder took 4466.04 ms. Allocated memory was 203.9 MB in the beginning and 295.2 MB in the end (delta: 91.2 MB). Free memory was 131.2 MB in the beginning and 239.2 MB in the end (delta: -108.0 MB). Peak memory consumption was 141.0 MB. Max. memory is 7.1 GB. [2019-10-07 15:10:08,029 INFO L168 Benchmark]: TraceAbstraction took 180316.67 ms. Allocated memory was 295.2 MB in the beginning and 891.3 MB in the end (delta: 596.1 MB). Free memory was 239.2 MB in the beginning and 309.9 MB in the end (delta: -70.7 MB). Peak memory consumption was 525.4 MB. Max. memory is 7.1 GB. [2019-10-07 15:10:08,037 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory was 121.5 MB in the beginning and 121.2 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1151.84 ms. Allocated memory was 139.5 MB in the beginning and 203.9 MB in the end (delta: 64.5 MB). Free memory was 100.5 MB in the beginning and 140.2 MB in the end (delta: -39.8 MB). Peak memory consumption was 35.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 183.43 ms. Allocated memory is still 203.9 MB. Free memory was 140.2 MB in the beginning and 131.2 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4466.04 ms. Allocated memory was 203.9 MB in the beginning and 295.2 MB in the end (delta: 91.2 MB). Free memory was 131.2 MB in the beginning and 239.2 MB in the end (delta: -108.0 MB). Peak memory consumption was 141.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 180316.67 ms. Allocated memory was 295.2 MB in the beginning and 891.3 MB in the end (delta: 596.1 MB). Free memory was 239.2 MB in the beginning and 309.9 MB in the end (delta: -70.7 MB). Peak memory consumption was 525.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: ε: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...