java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/email_spec3_product35.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 14:55:33,771 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 14:55:33,774 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 14:55:33,786 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 14:55:33,787 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 14:55:33,788 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 14:55:33,789 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 14:55:33,791 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 14:55:33,792 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 14:55:33,793 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 14:55:33,794 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 14:55:33,795 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 14:55:33,796 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 14:55:33,796 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 14:55:33,797 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 14:55:33,798 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 14:55:33,799 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 14:55:33,800 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 14:55:33,802 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 14:55:33,803 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 14:55:33,805 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 14:55:33,806 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 14:55:33,807 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 14:55:33,808 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 14:55:33,810 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 14:55:33,810 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 14:55:33,810 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 14:55:33,811 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 14:55:33,812 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 14:55:33,812 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 14:55:33,813 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 14:55:33,813 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 14:55:33,814 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 14:55:33,815 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 14:55:33,816 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 14:55:33,816 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 14:55:33,817 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 14:55:33,817 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 14:55:33,817 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 14:55:33,818 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 14:55:33,819 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 14:55:33,820 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-07 14:55:33,835 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 14:55:33,836 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 14:55:33,837 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 14:55:33,837 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 14:55:33,837 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 14:55:33,838 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 14:55:33,838 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 14:55:33,838 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 14:55:33,838 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 14:55:33,838 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 14:55:33,839 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 14:55:33,839 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 14:55:33,839 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 14:55:33,839 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 14:55:33,839 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 14:55:33,840 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 14:55:33,840 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 14:55:33,840 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 14:55:33,840 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 14:55:33,840 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 14:55:33,841 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 14:55:33,841 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 14:55:33,841 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 14:55:33,841 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 14:55:33,841 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 14:55:33,842 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 14:55:33,842 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 14:55:33,842 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 14:55:33,842 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-07 14:55:34,153 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 14:55:34,167 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 14:55:34,170 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 14:55:34,172 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 14:55:34,172 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 14:55:34,173 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec3_product35.cil.c [2019-10-07 14:55:34,248 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc84cf671/dbcf5b7572184259a46be338c651f24c/FLAG3534720d5 [2019-10-07 14:55:34,926 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 14:55:34,927 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec3_product35.cil.c [2019-10-07 14:55:34,961 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc84cf671/dbcf5b7572184259a46be338c651f24c/FLAG3534720d5 [2019-10-07 14:55:35,101 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc84cf671/dbcf5b7572184259a46be338c651f24c [2019-10-07 14:55:35,110 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 14:55:35,112 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 14:55:35,114 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 14:55:35,115 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 14:55:35,120 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 14:55:35,121 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:55:35" (1/1) ... [2019-10-07 14:55:35,125 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@472088b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:55:35, skipping insertion in model container [2019-10-07 14:55:35,126 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:55:35" (1/1) ... [2019-10-07 14:55:35,133 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 14:55:35,210 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 14:55:35,998 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:55:36,023 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 14:55:36,177 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:55:36,299 INFO L192 MainTranslator]: Completed translation [2019-10-07 14:55:36,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:55:36 WrapperNode [2019-10-07 14:55:36,300 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 14:55:36,301 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 14:55:36,301 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 14:55:36,302 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 14:55:36,317 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:55:36" (1/1) ... [2019-10-07 14:55:36,318 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:55:36" (1/1) ... [2019-10-07 14:55:36,354 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:55:36" (1/1) ... [2019-10-07 14:55:36,355 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:55:36" (1/1) ... [2019-10-07 14:55:36,450 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:55:36" (1/1) ... [2019-10-07 14:55:36,484 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:55:36" (1/1) ... [2019-10-07 14:55:36,504 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:55:36" (1/1) ... [2019-10-07 14:55:36,526 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 14:55:36,529 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 14:55:36,529 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 14:55:36,530 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 14:55:36,531 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:55:36" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 14:55:36,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 14:55:36,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 14:55:36,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 14:55:36,587 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-07 14:55:36,587 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-07 14:55:36,587 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-07 14:55:36,587 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-07 14:55:36,588 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-07 14:55:36,588 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-07 14:55:36,588 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-07 14:55:36,588 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-07 14:55:36,588 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 14:55:36,589 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 14:55:36,589 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-07 14:55:36,589 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-07 14:55:36,589 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-07 14:55:36,589 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-07 14:55:36,590 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-07 14:55:36,590 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-07 14:55:36,590 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-07 14:55:36,590 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-07 14:55:36,590 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-07 14:55:36,591 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-07 14:55:36,591 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-07 14:55:36,591 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-07 14:55:36,591 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-07 14:55:36,591 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-07 14:55:36,592 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-07 14:55:36,592 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-10-07 14:55:36,592 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-07 14:55:36,592 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-07 14:55:36,592 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-10-07 14:55:36,592 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-07 14:55:36,593 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-07 14:55:36,593 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-07 14:55:36,593 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-07 14:55:36,593 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-07 14:55:36,593 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-07 14:55:36,593 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-07 14:55:36,593 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-07 14:55:36,594 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-07 14:55:36,594 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-07 14:55:36,594 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-07 14:55:36,594 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-07 14:55:36,594 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-07 14:55:36,594 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-07 14:55:36,595 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-07 14:55:36,595 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-07 14:55:36,595 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-07 14:55:36,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__1 [2019-10-07 14:55:36,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__2 [2019-10-07 14:55:36,595 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-07 14:55:36,596 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-07 14:55:36,596 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-07 14:55:36,596 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-07 14:55:36,596 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-07 14:55:36,596 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-07 14:55:36,596 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-07 14:55:36,597 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-07 14:55:36,597 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-07 14:55:36,597 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-07 14:55:36,597 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-07 14:55:36,597 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-07 14:55:36,597 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-07 14:55:36,598 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-07 14:55:36,598 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-07 14:55:36,598 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-07 14:55:36,598 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-07 14:55:36,598 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-07 14:55:36,598 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-07 14:55:36,598 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-07 14:55:36,599 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-07 14:55:36,599 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-07 14:55:36,599 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-07 14:55:36,599 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-07 14:55:36,599 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-07 14:55:36,599 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-07 14:55:36,599 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-07 14:55:36,600 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-07 14:55:36,600 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-07 14:55:36,600 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-07 14:55:36,600 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-07 14:55:36,600 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-07 14:55:36,601 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-07 14:55:36,601 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-07 14:55:36,601 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-07 14:55:36,601 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-07 14:55:36,601 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-07 14:55:36,601 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-07 14:55:36,602 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-07 14:55:36,602 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-07 14:55:36,602 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-07 14:55:36,602 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-07 14:55:36,602 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-07 14:55:36,603 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-07 14:55:36,603 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-07 14:55:36,603 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-07 14:55:36,603 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-07 14:55:36,603 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-07 14:55:36,603 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-07 14:55:36,604 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-07 14:55:36,604 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-07 14:55:36,604 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-10-07 14:55:36,604 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-10-07 14:55:36,604 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-07 14:55:36,605 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-07 14:55:36,605 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-07 14:55:36,605 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-07 14:55:36,605 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-07 14:55:36,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 14:55:36,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 14:55:36,606 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 14:55:36,606 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 14:55:36,606 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 14:55:36,606 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 14:55:36,606 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 14:55:36,606 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 14:55:36,607 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 14:55:36,607 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 14:55:36,607 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-07 14:55:36,607 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 14:55:36,607 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 14:55:36,608 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 14:55:36,608 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 14:55:36,608 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 14:55:36,608 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-07 14:55:36,608 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-07 14:55:36,609 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-07 14:55:36,609 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-07 14:55:36,609 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-07 14:55:36,609 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-07 14:55:36,609 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-07 14:55:36,610 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-07 14:55:36,610 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-07 14:55:36,610 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-07 14:55:36,610 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-07 14:55:36,610 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-07 14:55:36,611 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-07 14:55:36,611 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 14:55:36,611 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 14:55:36,611 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 14:55:36,611 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-07 14:55:36,611 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-07 14:55:36,612 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-07 14:55:36,612 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-07 14:55:36,612 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-07 14:55:36,612 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-07 14:55:36,612 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-07 14:55:36,612 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-07 14:55:36,613 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-07 14:55:36,613 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-07 14:55:36,613 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-07 14:55:36,613 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 14:55:36,613 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 14:55:36,614 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 14:55:36,614 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-07 14:55:36,614 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-07 14:55:36,614 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-07 14:55:36,614 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-07 14:55:36,615 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-07 14:55:36,615 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-07 14:55:36,615 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-07 14:55:36,615 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-07 14:55:36,615 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-07 14:55:36,615 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-07 14:55:36,616 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-07 14:55:36,616 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-07 14:55:36,616 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-07 14:55:36,616 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-07 14:55:36,616 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-07 14:55:36,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 14:55:36,617 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-07 14:55:36,617 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-07 14:55:36,617 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-07 14:55:36,617 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-07 14:55:36,617 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-07 14:55:36,617 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-07 14:55:36,618 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-07 14:55:36,618 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-07 14:55:36,618 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-07 14:55:36,618 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-07 14:55:36,618 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-07 14:55:36,618 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-07 14:55:36,619 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-07 14:55:36,619 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-07 14:55:36,619 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-07 14:55:36,619 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-07 14:55:36,619 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-07 14:55:36,619 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-07 14:55:36,620 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-07 14:55:36,620 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-07 14:55:36,620 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-07 14:55:36,620 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-07 14:55:36,620 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-07 14:55:36,620 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-07 14:55:36,621 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-07 14:55:36,621 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-07 14:55:36,621 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-07 14:55:36,621 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-07 14:55:36,621 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-07 14:55:36,621 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-07 14:55:36,622 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-07 14:55:36,622 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-07 14:55:36,622 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-07 14:55:36,622 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-07 14:55:36,622 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-07 14:55:36,622 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__1 [2019-10-07 14:55:36,623 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-07 14:55:36,623 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-07 14:55:36,623 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-10-07 14:55:36,623 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-10-07 14:55:36,623 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-07 14:55:36,623 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-07 14:55:36,624 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-07 14:55:36,624 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__2 [2019-10-07 14:55:36,624 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 14:55:36,624 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-07 14:55:36,624 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-07 14:55:36,625 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-07 14:55:36,625 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-07 14:55:36,625 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-07 14:55:36,625 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-07 14:55:36,625 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-07 14:55:36,625 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-07 14:55:36,626 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-07 14:55:36,626 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-07 14:55:36,626 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-07 14:55:36,626 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-07 14:55:36,626 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-07 14:55:36,626 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-07 14:55:36,627 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-07 14:55:36,627 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-07 14:55:36,627 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-07 14:55:36,627 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-07 14:55:36,627 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-07 14:55:36,627 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-10-07 14:55:36,627 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-10-07 14:55:36,628 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-07 14:55:36,628 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 14:55:36,628 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 14:55:36,628 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 14:55:36,628 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 14:55:36,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 14:55:36,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 14:55:36,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 14:55:36,629 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 14:55:36,629 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 14:55:36,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 14:55:36,629 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 14:55:36,630 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 14:55:36,630 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 14:55:36,630 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 14:55:36,630 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 14:55:36,630 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 14:55:36,630 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 14:55:36,631 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-07 14:55:36,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 14:55:36,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 14:55:36,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 14:55:41,266 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 14:55:41,266 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-07 14:55:41,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:55:41 BoogieIcfgContainer [2019-10-07 14:55:41,268 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 14:55:41,269 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 14:55:41,269 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 14:55:41,272 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 14:55:41,273 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 02:55:35" (1/3) ... [2019-10-07 14:55:41,273 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3430bfe5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:55:41, skipping insertion in model container [2019-10-07 14:55:41,274 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:55:36" (2/3) ... [2019-10-07 14:55:41,274 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3430bfe5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:55:41, skipping insertion in model container [2019-10-07 14:55:41,274 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:55:41" (3/3) ... [2019-10-07 14:55:41,276 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec3_product35.cil.c [2019-10-07 14:55:41,286 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 14:55:41,297 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 14:55:41,309 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 14:55:41,351 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 14:55:41,352 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 14:55:41,352 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 14:55:41,352 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 14:55:41,352 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 14:55:41,352 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 14:55:41,353 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 14:55:41,354 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 14:55:41,389 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states. [2019-10-07 14:55:41,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-10-07 14:55:41,407 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:55:41,409 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:55:41,411 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:55:41,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:55:41,417 INFO L82 PathProgramCache]: Analyzing trace with hash -2039203991, now seen corresponding path program 1 times [2019-10-07 14:55:41,426 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:55:41,427 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:55:41,427 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:55:41,427 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:55:41,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:55:41,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:55:42,061 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-07 14:55:42,061 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:55:42,062 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:55:42,062 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-07 14:55:42,067 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-07 14:55:42,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-07 14:55:42,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 14:55:42,084 INFO L87 Difference]: Start difference. First operand 490 states. Second operand 2 states. [2019-10-07 14:55:42,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:55:42,180 INFO L93 Difference]: Finished difference Result 755 states and 910 transitions. [2019-10-07 14:55:42,183 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-07 14:55:42,185 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 159 [2019-10-07 14:55:42,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:55:42,227 INFO L225 Difference]: With dead ends: 755 [2019-10-07 14:55:42,227 INFO L226 Difference]: Without dead ends: 463 [2019-10-07 14:55:42,246 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-07 14:55:42,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2019-10-07 14:55:42,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 463. [2019-10-07 14:55:42,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 463 states. [2019-10-07 14:55:42,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 550 transitions. [2019-10-07 14:55:42,407 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 550 transitions. Word has length 159 [2019-10-07 14:55:42,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:55:42,410 INFO L462 AbstractCegarLoop]: Abstraction has 463 states and 550 transitions. [2019-10-07 14:55:42,410 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-07 14:55:42,411 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 550 transitions. [2019-10-07 14:55:42,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-10-07 14:55:42,425 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:55:42,425 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:55:42,426 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:55:42,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:55:42,427 INFO L82 PathProgramCache]: Analyzing trace with hash -812168554, now seen corresponding path program 1 times [2019-10-07 14:55:42,427 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:55:42,427 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:55:42,428 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:55:42,428 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:55:42,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:55:42,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:55:42,772 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-07 14:55:42,773 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:55:42,773 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:55:42,773 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:55:42,775 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:55:42,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:55:42,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:55:42,776 INFO L87 Difference]: Start difference. First operand 463 states and 550 transitions. Second operand 3 states. [2019-10-07 14:55:42,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:55:42,854 INFO L93 Difference]: Finished difference Result 740 states and 873 transitions. [2019-10-07 14:55:42,855 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:55:42,855 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 160 [2019-10-07 14:55:42,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:55:42,864 INFO L225 Difference]: With dead ends: 740 [2019-10-07 14:55:42,865 INFO L226 Difference]: Without dead ends: 465 [2019-10-07 14:55:42,868 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:55:42,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2019-10-07 14:55:42,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 465. [2019-10-07 14:55:42,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 465 states. [2019-10-07 14:55:42,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 552 transitions. [2019-10-07 14:55:42,908 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 552 transitions. Word has length 160 [2019-10-07 14:55:42,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:55:42,910 INFO L462 AbstractCegarLoop]: Abstraction has 465 states and 552 transitions. [2019-10-07 14:55:42,910 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:55:42,910 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 552 transitions. [2019-10-07 14:55:42,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-10-07 14:55:42,916 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:55:42,916 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:55:42,917 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:55:42,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:55:42,917 INFO L82 PathProgramCache]: Analyzing trace with hash -675886756, now seen corresponding path program 1 times [2019-10-07 14:55:42,917 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:55:42,918 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:55:42,918 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:55:42,918 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:55:42,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:55:42,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:55:43,112 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-07 14:55:43,112 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:55:43,113 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:55:43,113 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:55:43,113 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:55:43,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:55:43,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:55:43,114 INFO L87 Difference]: Start difference. First operand 465 states and 552 transitions. Second operand 3 states. [2019-10-07 14:55:43,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:55:43,161 INFO L93 Difference]: Finished difference Result 916 states and 1117 transitions. [2019-10-07 14:55:43,162 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:55:43,162 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 172 [2019-10-07 14:55:43,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:55:43,167 INFO L225 Difference]: With dead ends: 916 [2019-10-07 14:55:43,167 INFO L226 Difference]: Without dead ends: 509 [2019-10-07 14:55:43,169 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:55:43,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2019-10-07 14:55:43,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 508. [2019-10-07 14:55:43,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 508 states. [2019-10-07 14:55:43,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 508 states and 626 transitions. [2019-10-07 14:55:43,203 INFO L78 Accepts]: Start accepts. Automaton has 508 states and 626 transitions. Word has length 172 [2019-10-07 14:55:43,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:55:43,203 INFO L462 AbstractCegarLoop]: Abstraction has 508 states and 626 transitions. [2019-10-07 14:55:43,205 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:55:43,206 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 626 transitions. [2019-10-07 14:55:43,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2019-10-07 14:55:43,212 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:55:43,213 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:55:43,213 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:55:43,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:55:43,216 INFO L82 PathProgramCache]: Analyzing trace with hash 1028250174, now seen corresponding path program 1 times [2019-10-07 14:55:43,216 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:55:43,216 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:55:43,217 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:55:43,217 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:55:43,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:55:43,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:55:44,089 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-10-07 14:55:44,090 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:55:44,090 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:55:44,090 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2019-10-07 14:55:44,091 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2019-10-07 14:55:44,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2019-10-07 14:55:44,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=634, Unknown=0, NotChecked=0, Total=702 [2019-10-07 14:55:44,092 INFO L87 Difference]: Start difference. First operand 508 states and 626 transitions. Second operand 27 states. [2019-10-07 14:56:03,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:56:03,150 INFO L93 Difference]: Finished difference Result 1509 states and 1828 transitions. [2019-10-07 14:56:03,151 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2019-10-07 14:56:03,151 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 173 [2019-10-07 14:56:03,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:56:03,161 INFO L225 Difference]: With dead ends: 1509 [2019-10-07 14:56:03,161 INFO L226 Difference]: Without dead ends: 1234 [2019-10-07 14:56:03,164 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 839 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=434, Invalid=3472, Unknown=0, NotChecked=0, Total=3906 [2019-10-07 14:56:03,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1234 states. [2019-10-07 14:56:03,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1234 to 1223. [2019-10-07 14:56:03,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1223 states. [2019-10-07 14:56:03,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1223 states to 1223 states and 1474 transitions. [2019-10-07 14:56:03,243 INFO L78 Accepts]: Start accepts. Automaton has 1223 states and 1474 transitions. Word has length 173 [2019-10-07 14:56:03,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:56:03,244 INFO L462 AbstractCegarLoop]: Abstraction has 1223 states and 1474 transitions. [2019-10-07 14:56:03,245 INFO L463 AbstractCegarLoop]: Interpolant automaton has 27 states. [2019-10-07 14:56:03,245 INFO L276 IsEmpty]: Start isEmpty. Operand 1223 states and 1474 transitions. [2019-10-07 14:56:03,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2019-10-07 14:56:03,249 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:56:03,249 INFO L385 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:56:03,249 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:56:03,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:56:03,250 INFO L82 PathProgramCache]: Analyzing trace with hash -2009297062, now seen corresponding path program 1 times [2019-10-07 14:56:03,250 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:56:03,250 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:56:03,250 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:56:03,250 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:56:03,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:56:03,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:56:04,486 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-07 14:56:04,486 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:56:04,487 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 14:56:04,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:56:05,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:56:05,157 INFO L256 TraceCheckSpWp]: Trace formula consists of 3202 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-07 14:56:05,192 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 14:56:05,348 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-07 14:56:05,348 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 14:56:05,613 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-07 14:56:05,614 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 14:56:05,643 INFO L162 IcfgInterpreter]: Started Sifa with 162 locations of interest [2019-10-07 14:56:05,643 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 14:56:05,651 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 14:56:05,659 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 14:56:05,659 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 14:57:44,881 WARN L191 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 746 [2019-10-07 14:57:50,627 WARN L191 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 386 DAG size of output: 313 [2019-10-07 14:57:51,161 WARN L191 SmtUtils]: Spent 524.00 ms on a formula simplification that was a NOOP. DAG size: 804 [2019-10-07 14:57:51,603 WARN L191 SmtUtils]: Spent 436.00 ms on a formula simplification that was a NOOP. DAG size: 804 [2019-10-07 14:57:51,966 WARN L191 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 804 [2019-10-07 14:57:52,152 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-10-07 14:57:52,932 WARN L191 SmtUtils]: Spent 777.00 ms on a formula simplification that was a NOOP. DAG size: 1113 [2019-10-07 14:57:53,697 WARN L191 SmtUtils]: Spent 744.00 ms on a formula simplification that was a NOOP. DAG size: 1113 [2019-10-07 14:57:54,397 WARN L191 SmtUtils]: Spent 696.00 ms on a formula simplification that was a NOOP. DAG size: 1113 [2019-10-07 14:57:54,597 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-10-07 14:57:55,281 WARN L191 SmtUtils]: Spent 682.00 ms on a formula simplification that was a NOOP. DAG size: 1113 [2019-10-07 14:57:56,652 WARN L191 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 1115 DAG size of output: 1113 [2019-10-07 14:57:57,352 WARN L191 SmtUtils]: Spent 696.00 ms on a formula simplification that was a NOOP. DAG size: 1113 [2019-10-07 14:57:57,510 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-10-07 14:57:58,184 WARN L191 SmtUtils]: Spent 672.00 ms on a formula simplification that was a NOOP. DAG size: 1113 [2019-10-07 14:57:58,905 WARN L191 SmtUtils]: Spent 717.00 ms on a formula simplification that was a NOOP. DAG size: 1113 [2019-10-07 14:57:59,598 WARN L191 SmtUtils]: Spent 690.00 ms on a formula simplification that was a NOOP. DAG size: 1113 [2019-10-07 14:57:59,726 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-10-07 14:58:00,392 WARN L191 SmtUtils]: Spent 664.00 ms on a formula simplification that was a NOOP. DAG size: 1113 [2019-10-07 14:58:00,429 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 592 for LOIs [2019-10-07 14:58:00,846 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 707 [2019-10-07 14:58:00,964 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 707 [2019-10-07 14:58:01,094 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 466 [2019-10-07 14:58:01,583 WARN L191 SmtUtils]: Spent 487.00 ms on a formula simplification that was a NOOP. DAG size: 1016 [2019-10-07 14:58:01,584 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1178 for LOIs [2019-10-07 14:58:02,262 WARN L191 SmtUtils]: Spent 677.00 ms on a formula simplification that was a NOOP. DAG size: 1178 [2019-10-07 14:58:02,924 WARN L191 SmtUtils]: Spent 658.00 ms on a formula simplification that was a NOOP. DAG size: 1178 [2019-10-07 14:58:03,235 WARN L191 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 674 [2019-10-07 14:58:04,347 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 1389 [2019-10-07 14:58:05,028 WARN L191 SmtUtils]: Spent 668.00 ms on a formula simplification that was a NOOP. DAG size: 1178 [2019-10-07 14:58:05,710 WARN L191 SmtUtils]: Spent 678.00 ms on a formula simplification that was a NOOP. DAG size: 1178 [2019-10-07 14:58:06,131 WARN L191 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 674 [2019-10-07 14:58:07,231 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 1389 [2019-10-07 14:58:07,928 WARN L191 SmtUtils]: Spent 667.00 ms on a formula simplification that was a NOOP. DAG size: 1178 [2019-10-07 14:58:08,591 WARN L191 SmtUtils]: Spent 660.00 ms on a formula simplification that was a NOOP. DAG size: 1178 [2019-10-07 14:58:08,885 WARN L191 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 674 [2019-10-07 14:58:09,984 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 1389 [2019-10-07 14:58:11,103 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 1391 DAG size of output: 1178 [2019-10-07 14:58:11,789 WARN L191 SmtUtils]: Spent 682.00 ms on a formula simplification that was a NOOP. DAG size: 1178 [2019-10-07 14:58:12,071 WARN L191 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 674 [2019-10-07 14:58:13,186 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 1389 [2019-10-07 14:58:13,866 WARN L191 SmtUtils]: Spent 662.00 ms on a formula simplification that was a NOOP. DAG size: 1178 [2019-10-07 14:58:14,555 WARN L191 SmtUtils]: Spent 685.00 ms on a formula simplification that was a NOOP. DAG size: 1178 [2019-10-07 14:58:14,857 WARN L191 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 674 [2019-10-07 14:58:15,969 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 1389 [2019-10-07 14:58:16,632 WARN L191 SmtUtils]: Spent 659.00 ms on a formula simplification that was a NOOP. DAG size: 1178 [2019-10-07 14:58:17,311 WARN L191 SmtUtils]: Spent 676.00 ms on a formula simplification that was a NOOP. DAG size: 1178 [2019-10-07 14:58:17,599 WARN L191 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 674 [2019-10-07 14:58:18,694 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1389 [2019-10-07 14:58:19,371 WARN L191 SmtUtils]: Spent 674.00 ms on a formula simplification that was a NOOP. DAG size: 1178 [2019-10-07 14:58:20,040 WARN L191 SmtUtils]: Spent 665.00 ms on a formula simplification that was a NOOP. DAG size: 1178 [2019-10-07 14:58:20,301 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 674 [2019-10-07 14:58:21,394 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1389 [2019-10-07 14:58:22,061 WARN L191 SmtUtils]: Spent 664.00 ms on a formula simplification that was a NOOP. DAG size: 1178 [2019-10-07 14:58:22,738 WARN L191 SmtUtils]: Spent 674.00 ms on a formula simplification that was a NOOP. DAG size: 1178 [2019-10-07 14:58:23,015 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 674 [2019-10-07 14:58:24,125 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 1389 [2019-10-07 14:58:24,797 WARN L191 SmtUtils]: Spent 669.00 ms on a formula simplification that was a NOOP. DAG size: 1178 [2019-10-07 14:58:25,468 WARN L191 SmtUtils]: Spent 667.00 ms on a formula simplification that was a NOOP. DAG size: 1178 [2019-10-07 14:58:25,729 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 674 [2019-10-07 14:58:26,827 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 1389 [2019-10-07 14:58:27,495 WARN L191 SmtUtils]: Spent 665.00 ms on a formula simplification that was a NOOP. DAG size: 1178 [2019-10-07 14:58:28,165 WARN L191 SmtUtils]: Spent 667.00 ms on a formula simplification that was a NOOP. DAG size: 1178 [2019-10-07 14:58:28,429 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 674 [2019-10-07 14:58:29,530 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 1389 [2019-10-07 14:58:30,211 WARN L191 SmtUtils]: Spent 677.00 ms on a formula simplification that was a NOOP. DAG size: 1178 [2019-10-07 14:58:30,886 WARN L191 SmtUtils]: Spent 672.00 ms on a formula simplification that was a NOOP. DAG size: 1178 [2019-10-07 14:58:31,151 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 674 [2019-10-07 14:58:32,251 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 1389 [2019-10-07 14:58:32,912 WARN L191 SmtUtils]: Spent 658.00 ms on a formula simplification that was a NOOP. DAG size: 1178 [2019-10-07 14:58:33,586 WARN L191 SmtUtils]: Spent 670.00 ms on a formula simplification that was a NOOP. DAG size: 1178 [2019-10-07 14:58:33,854 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 674 [2019-10-07 14:58:34,979 WARN L191 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 1389 [2019-10-07 14:58:35,652 WARN L191 SmtUtils]: Spent 671.00 ms on a formula simplification that was a NOOP. DAG size: 1178 [2019-10-07 14:58:36,336 WARN L191 SmtUtils]: Spent 680.00 ms on a formula simplification that was a NOOP. DAG size: 1178 [2019-10-07 14:58:36,601 WARN L191 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 674 [2019-10-07 14:58:37,721 WARN L191 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 1389 [2019-10-07 14:58:38,919 WARN L191 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 1389 [2019-10-07 14:58:40,072 WARN L191 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 1389 [2019-10-07 14:58:40,393 WARN L191 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 674 [2019-10-07 14:58:41,507 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 1389 [2019-10-07 14:58:43,587 WARN L191 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 1391 DAG size of output: 1389 [2019-10-07 14:58:44,700 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 1389 [2019-10-07 14:58:44,991 WARN L191 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 674 [2019-10-07 14:58:46,111 WARN L191 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 1389 [2019-10-07 14:58:47,222 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 1389 [2019-10-07 14:58:48,338 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 1389 [2019-10-07 14:58:48,604 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 674 [2019-10-07 14:58:49,719 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 1389 [2019-10-07 14:58:50,889 WARN L191 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 1391 [2019-10-07 14:58:52,000 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 1391 [2019-10-07 14:58:52,274 WARN L191 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 677 [2019-10-07 14:58:53,402 WARN L191 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 1393 [2019-10-07 14:58:55,686 WARN L191 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 1395 DAG size of output: 1393 [2019-10-07 14:58:56,817 WARN L191 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 1393 [2019-10-07 14:58:57,091 WARN L191 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 677 [2019-10-07 14:58:58,217 WARN L191 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 1393 [2019-10-07 14:59:00,154 WARN L191 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 1395 DAG size of output: 1391 [2019-10-07 14:59:01,293 WARN L191 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 1391 [2019-10-07 14:59:01,563 WARN L191 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 677 [2019-10-07 14:59:02,696 WARN L191 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 1393 [2019-10-07 14:59:03,845 WARN L191 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 1391 [2019-10-07 14:59:04,971 WARN L191 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 1391 [2019-10-07 14:59:05,250 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 677 [2019-10-07 14:59:06,390 WARN L191 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 1393 [2019-10-07 14:59:07,523 WARN L191 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 1393 [2019-10-07 14:59:08,653 WARN L191 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 1393 [2019-10-07 14:59:08,927 WARN L191 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 677 [2019-10-07 14:59:10,062 WARN L191 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 1395 [2019-10-07 14:59:12,346 WARN L191 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 1391 DAG size of output: 1389 [2019-10-07 14:59:13,478 WARN L191 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 1389 [2019-10-07 14:59:13,757 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 674 [2019-10-07 14:59:15,263 WARN L191 SmtUtils]: Spent 1.51 s on a formula simplification that was a NOOP. DAG size: 1389 [2019-10-07 14:59:17,658 WARN L191 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 1391 DAG size of output: 1389 [2019-10-07 14:59:18,794 WARN L191 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 1389 [2019-10-07 14:59:19,073 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 674 [2019-10-07 14:59:20,200 WARN L191 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 1389 [2019-10-07 14:59:21,342 WARN L191 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 1389 [2019-10-07 14:59:22,471 WARN L191 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 1389 [2019-10-07 14:59:22,737 WARN L191 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 674 [2019-10-07 14:59:23,867 WARN L191 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 1389 [2019-10-07 14:59:25,964 WARN L191 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 1391 DAG size of output: 1389 [2019-10-07 14:59:27,091 WARN L191 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 1389 [2019-10-07 14:59:27,367 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 674 [2019-10-07 14:59:28,489 WARN L191 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 1389 [2019-10-07 14:59:30,558 WARN L191 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 1391 DAG size of output: 1389 [2019-10-07 14:59:31,693 WARN L191 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 1389 [2019-10-07 14:59:31,980 WARN L191 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 674 [2019-10-07 14:59:33,097 WARN L191 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 1389 [2019-10-07 14:59:34,216 WARN L191 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 1389 [2019-10-07 14:59:35,351 WARN L191 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 1389 [2019-10-07 14:59:35,617 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 674 [2019-10-07 14:59:36,752 WARN L191 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 1389 [2019-10-07 14:59:38,720 WARN L191 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 1395 DAG size of output: 1391 [2019-10-07 14:59:39,850 WARN L191 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 1391 [2019-10-07 14:59:40,129 WARN L191 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 677 [2019-10-07 14:59:41,274 WARN L191 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 1393 [2019-10-07 14:59:43,487 WARN L191 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 1395 DAG size of output: 1393 [2019-10-07 14:59:44,628 WARN L191 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 1393 [2019-10-07 14:59:44,904 WARN L191 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 677 [2019-10-07 14:59:46,040 WARN L191 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 1393 [2019-10-07 14:59:47,985 WARN L191 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 1395 DAG size of output: 1391 [2019-10-07 14:59:49,130 WARN L191 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 1391 [2019-10-07 14:59:49,405 WARN L191 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 677 [2019-10-07 14:59:50,534 WARN L191 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 1393 [2019-10-07 14:59:52,620 WARN L191 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 1400 DAG size of output: 1393 [2019-10-07 14:59:53,755 WARN L191 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 1393 [2019-10-07 14:59:54,054 WARN L191 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 677 [2019-10-07 14:59:55,183 WARN L191 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 1393 [2019-10-07 14:59:57,367 WARN L191 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 1402 DAG size of output: 1395 [2019-10-07 14:59:58,509 WARN L191 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 1395 [2019-10-07 14:59:58,787 WARN L191 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 677 [2019-10-07 14:59:59,921 WARN L191 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 1395 [2019-10-07 15:00:00,190 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 15:00:00,191 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 15:00:00,198 INFO L168 Benchmark]: Toolchain (without parser) took 265086.45 ms. Allocated memory was 145.2 MB in the beginning and 1.6 GB in the end (delta: 1.5 GB). Free memory was 99.8 MB in the beginning and 1.1 GB in the end (delta: -1.0 GB). Peak memory consumption was 450.6 MB. Max. memory is 7.1 GB. [2019-10-07 15:00:00,199 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 145.2 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-07 15:00:00,200 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1186.32 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 99.6 MB in the beginning and 126.7 MB in the end (delta: -27.1 MB). Peak memory consumption was 38.0 MB. Max. memory is 7.1 GB. [2019-10-07 15:00:00,200 INFO L168 Benchmark]: Boogie Preprocessor took 225.63 ms. Allocated memory is still 202.4 MB. Free memory was 126.7 MB in the beginning and 117.2 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-10-07 15:00:00,201 INFO L168 Benchmark]: RCFGBuilder took 4738.83 ms. Allocated memory was 202.4 MB in the beginning and 295.7 MB in the end (delta: 93.3 MB). Free memory was 117.2 MB in the beginning and 219.1 MB in the end (delta: -101.9 MB). Peak memory consumption was 133.5 MB. Max. memory is 7.1 GB. [2019-10-07 15:00:00,202 INFO L168 Benchmark]: TraceAbstraction took 258927.74 ms. Allocated memory was 295.7 MB in the beginning and 1.6 GB in the end (delta: 1.3 GB). Free memory was 219.0 MB in the beginning and 1.1 GB in the end (delta: -908.1 MB). Peak memory consumption was 419.3 MB. Max. memory is 7.1 GB. [2019-10-07 15:00:00,205 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 145.2 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1186.32 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 99.6 MB in the beginning and 126.7 MB in the end (delta: -27.1 MB). Peak memory consumption was 38.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 225.63 ms. Allocated memory is still 202.4 MB. Free memory was 126.7 MB in the beginning and 117.2 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4738.83 ms. Allocated memory was 202.4 MB in the beginning and 295.7 MB in the end (delta: 93.3 MB). Free memory was 117.2 MB in the beginning and 219.1 MB in the end (delta: -101.9 MB). Peak memory consumption was 133.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 258927.74 ms. Allocated memory was 295.7 MB in the beginning and 1.6 GB in the end (delta: 1.3 GB). Free memory was 219.0 MB in the beginning and 1.1 GB in the end (delta: -908.1 MB). Peak memory consumption was 419.3 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...