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_spec0_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-36ac518-m [2019-10-07 14:40:55,113 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-07 14:40:55,116 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-07 14:40:55,135 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-07 14:40:55,135 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-07 14:40:55,136 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-07 14:40:55,138 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-07 14:40:55,148 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-07 14:40:55,153 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-07 14:40:55,156 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-07 14:40:55,157 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-07 14:40:55,158 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-07 14:40:55,158 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-07 14:40:55,160 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-07 14:40:55,162 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-07 14:40:55,163 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-07 14:40:55,165 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-07 14:40:55,165 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-07 14:40:55,167 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-07 14:40:55,171 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-07 14:40:55,175 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-07 14:40:55,177 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-07 14:40:55,180 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-07 14:40:55,181 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-07 14:40:55,183 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-07 14:40:55,183 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-07 14:40:55,183 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-07 14:40:55,185 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-07 14:40:55,186 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-07 14:40:55,186 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-07 14:40:55,187 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-07 14:40:55,188 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-07 14:40:55,189 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-07 14:40:55,189 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-07 14:40:55,191 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-07 14:40:55,191 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-07 14:40:55,192 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-07 14:40:55,192 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-07 14:40:55,192 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-07 14:40:55,193 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-07 14:40:55,194 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-07 14:40:55,195 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 14:40:55,226 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-07 14:40:55,226 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-07 14:40:55,231 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-07 14:40:55,231 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-07 14:40:55,231 INFO L138 SettingsManager]: * Use SBE=true [2019-10-07 14:40:55,231 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-07 14:40:55,232 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-07 14:40:55,232 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-07 14:40:55,232 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-07 14:40:55,232 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-07 14:40:55,232 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-07 14:40:55,232 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-07 14:40:55,233 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-07 14:40:55,233 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-07 14:40:55,233 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-07 14:40:55,233 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-07 14:40:55,233 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-07 14:40:55,234 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-07 14:40:55,234 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-07 14:40:55,234 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-07 14:40:55,236 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-07 14:40:55,237 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-07 14:40:55,237 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-07 14:40:55,237 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-07 14:40:55,237 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-07 14:40:55,237 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-07 14:40:55,238 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-07 14:40:55,238 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-07 14:40:55,238 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 14:40:55,529 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-07 14:40:55,541 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-07 14:40:55,545 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-07 14:40:55,546 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-07 14:40:55,547 INFO L275 PluginConnector]: CDTParser initialized [2019-10-07 14:40:55,547 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec0_productSimulator.cil.c [2019-10-07 14:40:55,610 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3185f19e2/6a9e0cf2004e4fc9b14707bc35cd3e4d/FLAG59cec275a [2019-10-07 14:40:56,207 INFO L306 CDTParser]: Found 1 translation units. [2019-10-07 14:40:56,208 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec0_productSimulator.cil.c [2019-10-07 14:40:56,239 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3185f19e2/6a9e0cf2004e4fc9b14707bc35cd3e4d/FLAG59cec275a [2019-10-07 14:40:56,445 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3185f19e2/6a9e0cf2004e4fc9b14707bc35cd3e4d [2019-10-07 14:40:56,453 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-07 14:40:56,455 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-07 14:40:56,456 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-07 14:40:56,456 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-07 14:40:56,460 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-07 14:40:56,461 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:40:56" (1/1) ... [2019-10-07 14:40:56,464 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@137c7c0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:40:56, skipping insertion in model container [2019-10-07 14:40:56,464 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:40:56" (1/1) ... [2019-10-07 14:40:56,472 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-07 14:40:56,547 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-07 14:40:57,363 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:40:57,395 INFO L188 MainTranslator]: Completed pre-run [2019-10-07 14:40:57,560 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-07 14:40:57,730 INFO L192 MainTranslator]: Completed translation [2019-10-07 14:40:57,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:40:57 WrapperNode [2019-10-07 14:40:57,731 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-07 14:40:57,732 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-07 14:40:57,733 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-07 14:40:57,733 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-07 14:40:57,753 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:40:57" (1/1) ... [2019-10-07 14:40:57,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:40:57" (1/1) ... [2019-10-07 14:40:57,790 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:40:57" (1/1) ... [2019-10-07 14:40:57,791 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:40:57" (1/1) ... [2019-10-07 14:40:57,869 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:40:57" (1/1) ... [2019-10-07 14:40:57,910 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:40:57" (1/1) ... [2019-10-07 14:40:57,928 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:40:57" (1/1) ... [2019-10-07 14:40:57,964 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-07 14:40:57,965 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-07 14:40:57,965 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-07 14:40:57,965 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-07 14:40:57,969 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:40:57" (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 14:40:58,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-07 14:40:58,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-07 14:40:58,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-07 14:40:58,052 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-07 14:40:58,052 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-07 14:40:58,053 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-07 14:40:58,053 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-07 14:40:58,054 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-07 14:40:58,054 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Encrypt [2019-10-07 14:40:58,055 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Encrypt [2019-10-07 14:40:58,055 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__AddressBook [2019-10-07 14:40:58,056 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__AddressBook [2019-10-07 14:40:58,056 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Sign [2019-10-07 14:40:58,056 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Sign [2019-10-07 14:40:58,056 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-07 14:40:58,057 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-07 14:40:58,077 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__AutoResponder [2019-10-07 14:40:58,077 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__AutoResponder [2019-10-07 14:40:58,077 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Forward [2019-10-07 14:40:58,078 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Forward [2019-10-07 14:40:58,078 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Verify [2019-10-07 14:40:58,078 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Verify [2019-10-07 14:40:58,078 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Decrypt [2019-10-07 14:40:58,078 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Decrypt [2019-10-07 14:40:58,079 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-07 14:40:58,079 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-07 14:40:58,079 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-07 14:40:58,079 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-07 14:40:58,079 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-07 14:40:58,079 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-07 14:40:58,079 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-07 14:40:58,080 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-07 14:40:58,080 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-07 14:40:58,080 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-07 14:40:58,080 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-07 14:40:58,080 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-07 14:40:58,080 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-07 14:40:58,081 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-07 14:40:58,081 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-07 14:40:58,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-07 14:40:58,081 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-07 14:40:58,081 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-07 14:40:58,081 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-07 14:40:58,082 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-07 14:40:58,082 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-07 14:40:58,082 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-07 14:40:58,082 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-07 14:40:58,082 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-07 14:40:58,082 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-07 14:40:58,082 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-07 14:40:58,083 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-07 14:40:58,083 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-07 14:40:58,083 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-07 14:40:58,083 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-07 14:40:58,083 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-07 14:40:58,083 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-07 14:40:58,083 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-07 14:40:58,084 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-07 14:40:58,084 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-07 14:40:58,084 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-07 14:40:58,084 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-07 14:40:58,084 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-07 14:40:58,085 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-07 14:40:58,085 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-07 14:40:58,085 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-07 14:40:58,085 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-07 14:40:58,085 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-07 14:40:58,085 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-07 14:40:58,085 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-07 14:40:58,086 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-07 14:40:58,086 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-07 14:40:58,086 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-07 14:40:58,086 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-07 14:40:58,086 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-07 14:40:58,086 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-07 14:40:58,086 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-07 14:40:58,087 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-07 14:40:58,087 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-07 14:40:58,087 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-07 14:40:58,087 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-07 14:40:58,087 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-07 14:40:58,088 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-07 14:40:58,088 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-07 14:40:58,088 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-07 14:40:58,088 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-07 14:40:58,088 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-07 14:40:58,088 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-07 14:40:58,088 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-07 14:40:58,089 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-07 14:40:58,089 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-07 14:40:58,089 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__before__Keys [2019-10-07 14:40:58,089 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__role__Keys [2019-10-07 14:40:58,089 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-07 14:40:58,089 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__before__Keys [2019-10-07 14:40:58,089 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__role__Keys [2019-10-07 14:40:58,090 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-07 14:40:58,090 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__before__Keys [2019-10-07 14:40:58,090 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__role__Keys [2019-10-07 14:40:58,090 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-07 14:40:58,090 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-07 14:40:58,090 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-07 14:40:58,090 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-07 14:40:58,091 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-07 14:40:58,091 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-07 14:40:58,091 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-07 14:40:58,091 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-07 14:40:58,091 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-07 14:40:58,091 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-07 14:40:58,091 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-07 14:40:58,091 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-07 14:40:58,091 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-07 14:40:58,092 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-07 14:40:58,092 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-07 14:40:58,092 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-07 14:40:58,092 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-07 14:40:58,092 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-07 14:40:58,092 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptForward_spec__1 [2019-10-07 14:40:58,092 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Encrypt [2019-10-07 14:40:58,092 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Encrypt [2019-10-07 14:40:58,093 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Sign [2019-10-07 14:40:58,093 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Sign [2019-10-07 14:40:58,093 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Verify [2019-10-07 14:40:58,093 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Verify [2019-10-07 14:40:58,093 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-07 14:40:58,093 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__before__Encrypt [2019-10-07 14:40:58,094 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__role__Encrypt [2019-10-07 14:40:58,094 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-07 14:40:58,094 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-07 14:40:58,094 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-07 14:40:58,094 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-07 14:40:58,094 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-07 14:40:58,094 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-07 14:40:58,095 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-07 14:40:58,095 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-07 14:40:58,095 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-07 14:40:58,095 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-07 14:40:58,095 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-07 14:40:58,096 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-07 14:40:58,096 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-07 14:40:58,096 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-07 14:40:58,096 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-07 14:40:58,096 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-07 14:40:58,096 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-07 14:40:58,097 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-07 14:40:58,097 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-07 14:40:58,097 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-07 14:40:58,097 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-07 14:40:58,097 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-07 14:40:58,097 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-07 14:40:58,097 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-07 14:40:58,098 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-07 14:40:58,098 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-07 14:40:58,098 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-07 14:40:58,098 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-07 14:40:58,098 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-07 14:40:58,098 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-07 14:40:58,099 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-07 14:40:58,099 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-07 14:40:58,099 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-07 14:40:58,099 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-07 14:40:58,099 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-07 14:40:58,099 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-07 14:40:58,099 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-07 14:40:58,100 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-07 14:40:58,100 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-07 14:40:58,100 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-07 14:40:58,100 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-07 14:40:58,100 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-07 14:40:58,100 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-07 14:40:58,100 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-07 14:40:58,101 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-07 14:40:58,101 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-07 14:40:58,101 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-07 14:40:58,101 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-07 14:40:58,101 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-07 14:40:58,101 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-07 14:40:58,101 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-07 14:40:58,101 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-07 14:40:58,102 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-07 14:40:58,102 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-07 14:40:58,102 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-07 14:40:58,102 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-07 14:40:58,102 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-07 14:40:58,102 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-07 14:40:58,102 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-07 14:40:58,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-07 14:40:58,103 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Encrypt [2019-10-07 14:40:58,103 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Encrypt [2019-10-07 14:40:58,103 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__AddressBook [2019-10-07 14:40:58,103 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__AddressBook [2019-10-07 14:40:58,103 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Sign [2019-10-07 14:40:58,103 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Sign [2019-10-07 14:40:58,104 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__AutoResponder [2019-10-07 14:40:58,104 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__AutoResponder [2019-10-07 14:40:58,104 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Forward [2019-10-07 14:40:58,104 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Forward [2019-10-07 14:40:58,104 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Verify [2019-10-07 14:40:58,104 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Verify [2019-10-07 14:40:58,104 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Decrypt [2019-10-07 14:40:58,105 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Decrypt [2019-10-07 14:40:58,105 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptForward_spec__1 [2019-10-07 14:40:58,105 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-07 14:40:58,105 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-07 14:40:58,105 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-07 14:40:58,105 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-07 14:40:58,105 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-07 14:40:58,106 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-07 14:40:58,106 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-07 14:40:58,106 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-07 14:40:58,106 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-07 14:40:58,106 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-07 14:40:58,106 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-07 14:40:58,106 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-07 14:40:58,107 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-07 14:40:58,107 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-07 14:40:58,107 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-07 14:40:58,107 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-07 14:40:58,107 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-07 14:40:58,107 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-07 14:40:58,107 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-07 14:40:58,108 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-07 14:40:58,108 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-07 14:40:58,108 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-07 14:40:58,108 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-07 14:40:58,108 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-07 14:40:58,108 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-07 14:40:58,108 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-07 14:40:58,109 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-07 14:40:58,109 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-07 14:40:58,109 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-07 14:40:58,109 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-07 14:40:58,109 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-07 14:40:58,109 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-07 14:40:58,109 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-07 14:40:58,110 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-07 14:40:58,110 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-07 14:40:58,110 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-07 14:40:58,110 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-07 14:40:58,110 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-07 14:40:58,110 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-07 14:40:58,110 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-07 14:40:58,110 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-07 14:40:58,111 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-07 14:40:58,111 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-07 14:40:58,111 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-07 14:40:58,111 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-07 14:40:58,111 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-07 14:40:58,111 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-07 14:40:58,111 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-07 14:40:58,111 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-07 14:40:58,112 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-07 14:40:58,112 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__before__Keys [2019-10-07 14:40:58,112 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__role__Keys [2019-10-07 14:40:58,112 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__before__Keys [2019-10-07 14:40:58,112 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__role__Keys [2019-10-07 14:40:58,112 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__before__Keys [2019-10-07 14:40:58,112 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__role__Keys [2019-10-07 14:40:58,113 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-07 14:40:58,113 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Encrypt [2019-10-07 14:40:58,113 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Encrypt [2019-10-07 14:40:58,113 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Sign [2019-10-07 14:40:58,113 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Sign [2019-10-07 14:40:58,113 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Verify [2019-10-07 14:40:58,113 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Verify [2019-10-07 14:40:58,114 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__before__Encrypt [2019-10-07 14:40:58,114 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__role__Encrypt [2019-10-07 14:40:58,114 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-07 14:40:58,114 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-07 14:40:58,114 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-07 14:40:58,114 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-07 14:40:58,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-07 14:40:58,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-07 14:40:58,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-07 14:40:58,115 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-07 14:40:58,115 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-07 14:40:58,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-07 14:40:58,115 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-07 14:40:58,115 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-07 14:40:58,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-07 14:40:58,116 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-07 14:40:58,116 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-07 14:40:58,116 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-07 14:40:58,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-07 14:40:58,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-07 14:40:58,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-07 14:41:02,888 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-07 14:41:02,889 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-07 14:41:02,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:41:02 BoogieIcfgContainer [2019-10-07 14:41:02,891 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-07 14:41:02,892 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-07 14:41:02,892 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-07 14:41:02,895 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-07 14:41:02,895 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 02:40:56" (1/3) ... [2019-10-07 14:41:02,896 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ead0f59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:41:02, skipping insertion in model container [2019-10-07 14:41:02,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:40:57" (2/3) ... [2019-10-07 14:41:02,896 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ead0f59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:41:02, skipping insertion in model container [2019-10-07 14:41:02,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:41:02" (3/3) ... [2019-10-07 14:41:02,898 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec0_productSimulator.cil.c [2019-10-07 14:41:02,908 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-07 14:41:02,917 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-07 14:41:02,929 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-07 14:41:02,959 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-07 14:41:02,960 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-07 14:41:02,960 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-07 14:41:02,960 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-07 14:41:02,960 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-07 14:41:02,960 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-07 14:41:02,960 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-07 14:41:02,961 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-07 14:41:02,992 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states. [2019-10-07 14:41:03,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2019-10-07 14:41:03,016 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:41:03,017 INFO L385 BasicCegarLoop]: trace histogram [8, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:41:03,020 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:41:03,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:41:03,026 INFO L82 PathProgramCache]: Analyzing trace with hash 1658380332, now seen corresponding path program 1 times [2019-10-07 14:41:03,035 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:41:03,036 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:41:03,036 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:41:03,036 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:41:03,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:41:03,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:41:03,706 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-10-07 14:41:03,707 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:41:03,707 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:41:03,707 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-07 14:41:03,712 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-07 14:41:03,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-07 14:41:03,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-07 14:41:03,730 INFO L87 Difference]: Start difference. First operand 604 states. Second operand 6 states. [2019-10-07 14:41:03,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:41:03,921 INFO L93 Difference]: Finished difference Result 1130 states and 1425 transitions. [2019-10-07 14:41:03,922 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-07 14:41:03,924 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 188 [2019-10-07 14:41:03,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:41:04,015 INFO L225 Difference]: With dead ends: 1130 [2019-10-07 14:41:04,016 INFO L226 Difference]: Without dead ends: 577 [2019-10-07 14:41:04,029 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-07 14:41:04,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2019-10-07 14:41:04,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 577. [2019-10-07 14:41:04,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 577 states. [2019-10-07 14:41:04,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 710 transitions. [2019-10-07 14:41:04,137 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 710 transitions. Word has length 188 [2019-10-07 14:41:04,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:41:04,140 INFO L462 AbstractCegarLoop]: Abstraction has 577 states and 710 transitions. [2019-10-07 14:41:04,140 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-07 14:41:04,140 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 710 transitions. [2019-10-07 14:41:04,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2019-10-07 14:41:04,148 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:41:04,148 INFO L385 BasicCegarLoop]: trace histogram [8, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:41:04,149 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:41:04,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:41:04,149 INFO L82 PathProgramCache]: Analyzing trace with hash 171863450, now seen corresponding path program 1 times [2019-10-07 14:41:04,149 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:41:04,150 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:41:04,150 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:41:04,150 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:41:04,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:41:04,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:41:04,537 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-10-07 14:41:04,537 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:41:04,537 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:41:04,538 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:41:04,545 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:41:04,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:41:04,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:41:04,546 INFO L87 Difference]: Start difference. First operand 577 states and 710 transitions. Second operand 3 states. [2019-10-07 14:41:04,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:41:04,608 INFO L93 Difference]: Finished difference Result 908 states and 1103 transitions. [2019-10-07 14:41:04,608 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:41:04,608 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 194 [2019-10-07 14:41:04,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:41:04,619 INFO L225 Difference]: With dead ends: 908 [2019-10-07 14:41:04,619 INFO L226 Difference]: Without dead ends: 579 [2019-10-07 14:41:04,628 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 14:41:04,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 579 states. [2019-10-07 14:41:04,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 579 to 579. [2019-10-07 14:41:04,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 579 states. [2019-10-07 14:41:04,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 712 transitions. [2019-10-07 14:41:04,677 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 712 transitions. Word has length 194 [2019-10-07 14:41:04,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:41:04,678 INFO L462 AbstractCegarLoop]: Abstraction has 579 states and 712 transitions. [2019-10-07 14:41:04,678 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:41:04,678 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 712 transitions. [2019-10-07 14:41:04,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2019-10-07 14:41:04,684 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:41:04,684 INFO L385 BasicCegarLoop]: trace histogram [8, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:41:04,685 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:41:04,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:41:04,685 INFO L82 PathProgramCache]: Analyzing trace with hash -965390985, now seen corresponding path program 1 times [2019-10-07 14:41:04,685 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:41:04,685 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:41:04,686 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:41:04,686 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:41:04,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:41:04,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:41:04,934 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2019-10-07 14:41:04,934 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:41:04,935 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:41:04,935 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-07 14:41:04,944 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-07 14:41:04,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-07 14:41:04,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-07 14:41:04,946 INFO L87 Difference]: Start difference. First operand 579 states and 712 transitions. Second operand 4 states. [2019-10-07 14:41:06,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:41:06,322 INFO L93 Difference]: Finished difference Result 1638 states and 2074 transitions. [2019-10-07 14:41:06,323 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-07 14:41:06,323 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 200 [2019-10-07 14:41:06,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:41:06,330 INFO L225 Difference]: With dead ends: 1638 [2019-10-07 14:41:06,331 INFO L226 Difference]: Without dead ends: 1092 [2019-10-07 14:41:06,333 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-07 14:41:06,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1092 states. [2019-10-07 14:41:06,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1092 to 1089. [2019-10-07 14:41:06,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1089 states. [2019-10-07 14:41:06,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1089 states to 1089 states and 1323 transitions. [2019-10-07 14:41:06,397 INFO L78 Accepts]: Start accepts. Automaton has 1089 states and 1323 transitions. Word has length 200 [2019-10-07 14:41:06,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:41:06,398 INFO L462 AbstractCegarLoop]: Abstraction has 1089 states and 1323 transitions. [2019-10-07 14:41:06,398 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-07 14:41:06,398 INFO L276 IsEmpty]: Start isEmpty. Operand 1089 states and 1323 transitions. [2019-10-07 14:41:06,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2019-10-07 14:41:06,404 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:41:06,404 INFO L385 BasicCegarLoop]: trace histogram [8, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:41:06,404 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:41:06,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:41:06,405 INFO L82 PathProgramCache]: Analyzing trace with hash 627214336, now seen corresponding path program 1 times [2019-10-07 14:41:06,405 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:41:06,405 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:41:06,405 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:41:06,405 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:41:06,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:41:06,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:41:06,797 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2019-10-07 14:41:06,797 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:41:06,798 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:41:06,798 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-10-07 14:41:06,798 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-07 14:41:06,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-07 14:41:06,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2019-10-07 14:41:06,799 INFO L87 Difference]: Start difference. First operand 1089 states and 1323 transitions. Second operand 11 states. [2019-10-07 14:41:06,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:41:06,947 INFO L93 Difference]: Finished difference Result 1092 states and 1325 transitions. [2019-10-07 14:41:06,947 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-07 14:41:06,948 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 194 [2019-10-07 14:41:06,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:41:06,954 INFO L225 Difference]: With dead ends: 1092 [2019-10-07 14:41:06,954 INFO L226 Difference]: Without dead ends: 577 [2019-10-07 14:41:06,957 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2019-10-07 14:41:06,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2019-10-07 14:41:06,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 577. [2019-10-07 14:41:06,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 577 states. [2019-10-07 14:41:06,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 701 transitions. [2019-10-07 14:41:06,993 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 701 transitions. Word has length 194 [2019-10-07 14:41:06,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:41:06,994 INFO L462 AbstractCegarLoop]: Abstraction has 577 states and 701 transitions. [2019-10-07 14:41:06,994 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-07 14:41:06,994 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 701 transitions. [2019-10-07 14:41:06,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2019-10-07 14:41:06,998 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:41:06,999 INFO L385 BasicCegarLoop]: trace histogram [8, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:41:06,999 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:41:06,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:41:06,999 INFO L82 PathProgramCache]: Analyzing trace with hash -2037449468, now seen corresponding path program 1 times [2019-10-07 14:41:07,000 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:41:07,000 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:41:07,000 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:41:07,000 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:41:07,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:41:07,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:41:07,160 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-10-07 14:41:07,160 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:41:07,161 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:41:07,161 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:41:07,162 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:41:07,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:41:07,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:41:07,162 INFO L87 Difference]: Start difference. First operand 577 states and 701 transitions. Second operand 3 states. [2019-10-07 14:41:07,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:41:07,295 INFO L93 Difference]: Finished difference Result 1117 states and 1371 transitions. [2019-10-07 14:41:07,295 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:41:07,295 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 213 [2019-10-07 14:41:07,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:41:07,299 INFO L225 Difference]: With dead ends: 1117 [2019-10-07 14:41:07,299 INFO L226 Difference]: Without dead ends: 576 [2019-10-07 14:41:07,301 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 14:41:07,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 576 states. [2019-10-07 14:41:07,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 576 to 576. [2019-10-07 14:41:07,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 576 states. [2019-10-07 14:41:07,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 697 transitions. [2019-10-07 14:41:07,330 INFO L78 Accepts]: Start accepts. Automaton has 576 states and 697 transitions. Word has length 213 [2019-10-07 14:41:07,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:41:07,330 INFO L462 AbstractCegarLoop]: Abstraction has 576 states and 697 transitions. [2019-10-07 14:41:07,330 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:41:07,331 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 697 transitions. [2019-10-07 14:41:07,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2019-10-07 14:41:07,335 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:41:07,335 INFO L385 BasicCegarLoop]: trace histogram [8, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:41:07,335 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:41:07,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:41:07,336 INFO L82 PathProgramCache]: Analyzing trace with hash 842847211, now seen corresponding path program 1 times [2019-10-07 14:41:07,336 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:41:07,336 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:41:07,337 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:41:07,337 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:41:07,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:41:07,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:41:07,556 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-10-07 14:41:07,556 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:41:07,557 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:41:07,557 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-07 14:41:07,558 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-07 14:41:07,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-07 14:41:07,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-07 14:41:07,559 INFO L87 Difference]: Start difference. First operand 576 states and 697 transitions. Second operand 4 states. [2019-10-07 14:41:08,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:41:08,371 INFO L93 Difference]: Finished difference Result 1091 states and 1319 transitions. [2019-10-07 14:41:08,371 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-07 14:41:08,372 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 221 [2019-10-07 14:41:08,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:41:08,377 INFO L225 Difference]: With dead ends: 1091 [2019-10-07 14:41:08,377 INFO L226 Difference]: Without dead ends: 575 [2019-10-07 14:41:08,380 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-07 14:41:08,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 575 states. [2019-10-07 14:41:08,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 575 to 575. [2019-10-07 14:41:08,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 575 states. [2019-10-07 14:41:08,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 575 states and 681 transitions. [2019-10-07 14:41:08,417 INFO L78 Accepts]: Start accepts. Automaton has 575 states and 681 transitions. Word has length 221 [2019-10-07 14:41:08,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:41:08,417 INFO L462 AbstractCegarLoop]: Abstraction has 575 states and 681 transitions. [2019-10-07 14:41:08,417 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-07 14:41:08,418 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 681 transitions. [2019-10-07 14:41:08,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2019-10-07 14:41:08,422 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:41:08,423 INFO L385 BasicCegarLoop]: trace histogram [8, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-07 14:41:08,423 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:41:08,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:41:08,423 INFO L82 PathProgramCache]: Analyzing trace with hash 2093372754, now seen corresponding path program 1 times [2019-10-07 14:41:08,424 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:41:08,424 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:41:08,424 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:41:08,424 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:41:08,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:41:08,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:41:08,672 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2019-10-07 14:41:08,672 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:41:08,672 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:41:08,673 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-07 14:41:08,673 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-07 14:41:08,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-07 14:41:08,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-07 14:41:08,674 INFO L87 Difference]: Start difference. First operand 575 states and 681 transitions. Second operand 3 states. [2019-10-07 14:41:08,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:41:08,714 INFO L93 Difference]: Finished difference Result 1096 states and 1330 transitions. [2019-10-07 14:41:08,714 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-07 14:41:08,714 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 243 [2019-10-07 14:41:08,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:41:08,718 INFO L225 Difference]: With dead ends: 1096 [2019-10-07 14:41:08,719 INFO L226 Difference]: Without dead ends: 629 [2019-10-07 14:41:08,720 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 14:41:08,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 629 states. [2019-10-07 14:41:08,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 629 to 628. [2019-10-07 14:41:08,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 628 states. [2019-10-07 14:41:08,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 628 states and 768 transitions. [2019-10-07 14:41:08,752 INFO L78 Accepts]: Start accepts. Automaton has 628 states and 768 transitions. Word has length 243 [2019-10-07 14:41:08,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:41:08,753 INFO L462 AbstractCegarLoop]: Abstraction has 628 states and 768 transitions. [2019-10-07 14:41:08,753 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-07 14:41:08,753 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 768 transitions. [2019-10-07 14:41:08,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2019-10-07 14:41:08,757 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:41:08,758 INFO L385 BasicCegarLoop]: trace histogram [8, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:41:08,758 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:41:08,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:41:08,759 INFO L82 PathProgramCache]: Analyzing trace with hash -1778956638, now seen corresponding path program 1 times [2019-10-07 14:41:08,759 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:41:08,759 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:41:08,759 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:41:08,759 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:41:08,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:41:08,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:41:09,854 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2019-10-07 14:41:09,855 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:41:09,855 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:41:09,855 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [40] imperfect sequences [] total 40 [2019-10-07 14:41:09,856 INFO L442 AbstractCegarLoop]: Interpolant automaton has 40 states [2019-10-07 14:41:09,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2019-10-07 14:41:09,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=1455, Unknown=0, NotChecked=0, Total=1560 [2019-10-07 14:41:09,857 INFO L87 Difference]: Start difference. First operand 628 states and 768 transitions. Second operand 40 states. [2019-10-07 14:41:28,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:41:28,345 INFO L93 Difference]: Finished difference Result 1357 states and 1669 transitions. [2019-10-07 14:41:28,345 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2019-10-07 14:41:28,346 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 244 [2019-10-07 14:41:28,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:41:28,353 INFO L225 Difference]: With dead ends: 1357 [2019-10-07 14:41:28,353 INFO L226 Difference]: Without dead ends: 1043 [2019-10-07 14:41:28,356 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 619 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=244, Invalid=4046, Unknown=0, NotChecked=0, Total=4290 [2019-10-07 14:41:28,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1043 states. [2019-10-07 14:41:28,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1043 to 1028. [2019-10-07 14:41:28,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1028 states. [2019-10-07 14:41:28,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1028 states to 1028 states and 1261 transitions. [2019-10-07 14:41:28,408 INFO L78 Accepts]: Start accepts. Automaton has 1028 states and 1261 transitions. Word has length 244 [2019-10-07 14:41:28,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:41:28,409 INFO L462 AbstractCegarLoop]: Abstraction has 1028 states and 1261 transitions. [2019-10-07 14:41:28,409 INFO L463 AbstractCegarLoop]: Interpolant automaton has 40 states. [2019-10-07 14:41:28,409 INFO L276 IsEmpty]: Start isEmpty. Operand 1028 states and 1261 transitions. [2019-10-07 14:41:28,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2019-10-07 14:41:28,415 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:41:28,415 INFO L385 BasicCegarLoop]: trace histogram [8, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:41:28,415 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:41:28,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:41:28,416 INFO L82 PathProgramCache]: Analyzing trace with hash -2007481284, now seen corresponding path program 1 times [2019-10-07 14:41:28,416 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:41:28,416 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:41:28,416 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:41:28,417 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:41:28,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:41:28,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:41:28,747 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2019-10-07 14:41:28,748 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:41:28,748 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:41:28,748 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-10-07 14:41:28,749 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-10-07 14:41:28,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-10-07 14:41:28,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2019-10-07 14:41:28,750 INFO L87 Difference]: Start difference. First operand 1028 states and 1261 transitions. Second operand 13 states. [2019-10-07 14:41:28,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:41:28,877 INFO L93 Difference]: Finished difference Result 1040 states and 1276 transitions. [2019-10-07 14:41:28,877 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-10-07 14:41:28,877 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 248 [2019-10-07 14:41:28,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:41:28,884 INFO L225 Difference]: With dead ends: 1040 [2019-10-07 14:41:28,884 INFO L226 Difference]: Without dead ends: 1037 [2019-10-07 14:41:28,885 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2019-10-07 14:41:28,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1037 states. [2019-10-07 14:41:28,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1037 to 1037. [2019-10-07 14:41:28,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1037 states. [2019-10-07 14:41:28,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 1037 states and 1271 transitions. [2019-10-07 14:41:28,943 INFO L78 Accepts]: Start accepts. Automaton has 1037 states and 1271 transitions. Word has length 248 [2019-10-07 14:41:28,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:41:28,945 INFO L462 AbstractCegarLoop]: Abstraction has 1037 states and 1271 transitions. [2019-10-07 14:41:28,945 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-10-07 14:41:28,945 INFO L276 IsEmpty]: Start isEmpty. Operand 1037 states and 1271 transitions. [2019-10-07 14:41:28,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2019-10-07 14:41:28,951 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:41:28,952 INFO L385 BasicCegarLoop]: trace histogram [8, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:41:28,952 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:41:28,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:41:28,952 INFO L82 PathProgramCache]: Analyzing trace with hash -500518119, now seen corresponding path program 1 times [2019-10-07 14:41:28,952 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:41:28,953 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:41:28,953 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:41:28,953 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:41:28,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:41:29,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:41:30,139 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2019-10-07 14:41:30,139 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:41:30,139 INFO L211 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-07 14:41:30,139 INFO L224 tionRefinementEngine]: Number of different interpolants: perfect sequences [42] imperfect sequences [] total 42 [2019-10-07 14:41:30,140 INFO L442 AbstractCegarLoop]: Interpolant automaton has 42 states [2019-10-07 14:41:30,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2019-10-07 14:41:30,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=1611, Unknown=0, NotChecked=0, Total=1722 [2019-10-07 14:41:30,141 INFO L87 Difference]: Start difference. First operand 1037 states and 1271 transitions. Second operand 42 states. [2019-10-07 14:41:50,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-07 14:41:50,318 INFO L93 Difference]: Finished difference Result 1778 states and 2182 transitions. [2019-10-07 14:41:50,324 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2019-10-07 14:41:50,324 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 251 [2019-10-07 14:41:50,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-07 14:41:50,331 INFO L225 Difference]: With dead ends: 1778 [2019-10-07 14:41:50,332 INFO L226 Difference]: Without dead ends: 1146 [2019-10-07 14:41:50,335 INFO L606 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 667 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=255, Invalid=4437, Unknown=0, NotChecked=0, Total=4692 [2019-10-07 14:41:50,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1146 states. [2019-10-07 14:41:50,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1146 to 1137. [2019-10-07 14:41:50,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1137 states. [2019-10-07 14:41:50,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1137 states to 1137 states and 1412 transitions. [2019-10-07 14:41:50,386 INFO L78 Accepts]: Start accepts. Automaton has 1137 states and 1412 transitions. Word has length 251 [2019-10-07 14:41:50,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-07 14:41:50,387 INFO L462 AbstractCegarLoop]: Abstraction has 1137 states and 1412 transitions. [2019-10-07 14:41:50,387 INFO L463 AbstractCegarLoop]: Interpolant automaton has 42 states. [2019-10-07 14:41:50,387 INFO L276 IsEmpty]: Start isEmpty. Operand 1137 states and 1412 transitions. [2019-10-07 14:41:50,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2019-10-07 14:41:50,392 INFO L377 BasicCegarLoop]: Found error trace [2019-10-07 14:41:50,392 INFO L385 BasicCegarLoop]: trace histogram [8, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:41:50,393 INFO L410 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-07 14:41:50,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-07 14:41:50,393 INFO L82 PathProgramCache]: Analyzing trace with hash 259021850, now seen corresponding path program 1 times [2019-10-07 14:41:50,394 INFO L150 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-07 14:41:50,394 INFO L231 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:41:50,394 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:41:50,394 INFO L117 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-07 14:41:50,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-07 14:41:50,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:41:51,531 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2019-10-07 14:41:51,531 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019-10-07 14:41:51,531 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019-10-07 14:41:51,531 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 14:41:52,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-07 14:41:52,243 INFO L256 TraceCheckSpWp]: Trace formula consists of 3583 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-07 14:41:52,269 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-07 14:41:52,441 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2019-10-07 14:41:52,441 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-10-07 14:41:52,784 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2019-10-07 14:41:52,784 INFO L286 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2019-10-07 14:41:52,821 INFO L162 IcfgInterpreter]: Started Sifa with 221 locations of interest [2019-10-07 14:41:52,821 INFO L169 IcfgInterpreter]: Building call graph [2019-10-07 14:41:52,829 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-07 14:41:52,838 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-07 14:41:52,838 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-07 14:42:57,611 WARN L191 SmtUtils]: Spent 449.00 ms on a formula simplification that was a NOOP. DAG size: 707 [2019-10-07 14:43:02,120 WARN L191 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 349 DAG size of output: 283 [2019-10-07 14:43:02,499 WARN L191 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 758 [2019-10-07 14:43:02,889 WARN L191 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 758 [2019-10-07 14:43:03,224 WARN L191 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 758 [2019-10-07 14:43:03,503 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 450 [2019-10-07 14:43:04,150 WARN L191 SmtUtils]: Spent 645.00 ms on a formula simplification that was a NOOP. DAG size: 1056 [2019-10-07 14:43:04,827 WARN L191 SmtUtils]: Spent 658.00 ms on a formula simplification that was a NOOP. DAG size: 1056 [2019-10-07 14:43:05,516 WARN L191 SmtUtils]: Spent 685.00 ms on a formula simplification that was a NOOP. DAG size: 1056 [2019-10-07 14:43:05,653 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 450 [2019-10-07 14:43:06,287 WARN L191 SmtUtils]: Spent 633.00 ms on a formula simplification that was a NOOP. DAG size: 1056 [2019-10-07 14:43:07,548 WARN L191 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 1058 DAG size of output: 1056 [2019-10-07 14:43:08,175 WARN L191 SmtUtils]: Spent 623.00 ms on a formula simplification that was a NOOP. DAG size: 1056 [2019-10-07 14:43:08,329 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 450 [2019-10-07 14:43:08,980 WARN L191 SmtUtils]: Spent 649.00 ms on a formula simplification that was a NOOP. DAG size: 1056 [2019-10-07 14:43:09,649 WARN L191 SmtUtils]: Spent 666.00 ms on a formula simplification that was a NOOP. DAG size: 1056 [2019-10-07 14:43:10,271 WARN L191 SmtUtils]: Spent 617.00 ms on a formula simplification that was a NOOP. DAG size: 1056 [2019-10-07 14:43:10,390 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 450 [2019-10-07 14:43:11,051 WARN L191 SmtUtils]: Spent 660.00 ms on a formula simplification that was a NOOP. DAG size: 1056 [2019-10-07 14:43:11,081 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 568 for LOIs [2019-10-07 14:43:11,482 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 671 [2019-10-07 14:43:11,592 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 671 [2019-10-07 14:43:11,724 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 450 [2019-10-07 14:43:12,214 WARN L191 SmtUtils]: Spent 488.00 ms on a formula simplification that was a NOOP. DAG size: 969 [2019-10-07 14:43:12,215 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1126 for LOIs [2019-10-07 14:43:12,821 WARN L191 SmtUtils]: Spent 605.00 ms on a formula simplification that was a NOOP. DAG size: 1126 [2019-10-07 14:43:13,472 WARN L191 SmtUtils]: Spent 647.00 ms on a formula simplification that was a NOOP. DAG size: 1126 [2019-10-07 14:43:13,765 WARN L191 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 684 [2019-10-07 14:43:14,890 WARN L191 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 1368 [2019-10-07 14:43:15,501 WARN L191 SmtUtils]: Spent 595.00 ms on a formula simplification that was a NOOP. DAG size: 1126 [2019-10-07 14:43:16,099 WARN L191 SmtUtils]: Spent 595.00 ms on a formula simplification that was a NOOP. DAG size: 1126 [2019-10-07 14:43:16,427 WARN L191 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 684 [2019-10-07 14:43:17,517 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1368 [2019-10-07 14:43:18,221 WARN L191 SmtUtils]: Spent 658.00 ms on a formula simplification that was a NOOP. DAG size: 1128 [2019-10-07 14:43:18,838 WARN L191 SmtUtils]: Spent 613.00 ms on a formula simplification that was a NOOP. DAG size: 1128 [2019-10-07 14:43:19,192 WARN L191 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 684 [2019-10-07 14:43:20,314 WARN L191 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 1368 [2019-10-07 14:43:21,275 WARN L191 SmtUtils]: Spent 926.00 ms on a formula simplification. DAG size of input: 1370 DAG size of output: 1128 [2019-10-07 14:43:21,888 WARN L191 SmtUtils]: Spent 609.00 ms on a formula simplification that was a NOOP. DAG size: 1128 [2019-10-07 14:43:22,403 WARN L191 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 686 DAG size of output: 684 [2019-10-07 14:43:23,527 WARN L191 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 1368 [2019-10-07 14:43:24,147 WARN L191 SmtUtils]: Spent 603.00 ms on a formula simplification that was a NOOP. DAG size: 1128 [2019-10-07 14:43:24,749 WARN L191 SmtUtils]: Spent 599.00 ms on a formula simplification that was a NOOP. DAG size: 1128 [2019-10-07 14:43:25,109 WARN L191 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 684 [2019-10-07 14:43:26,227 WARN L191 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 1368 [2019-10-07 14:43:26,833 WARN L191 SmtUtils]: Spent 603.00 ms on a formula simplification that was a NOOP. DAG size: 1128 [2019-10-07 14:43:27,443 WARN L191 SmtUtils]: Spent 606.00 ms on a formula simplification that was a NOOP. DAG size: 1128 [2019-10-07 14:43:27,723 WARN L191 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 684 [2019-10-07 14:43:28,833 WARN L191 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 1368 [2019-10-07 14:43:29,437 WARN L191 SmtUtils]: Spent 601.00 ms on a formula simplification that was a NOOP. DAG size: 1128 [2019-10-07 14:43:30,054 WARN L191 SmtUtils]: Spent 614.00 ms on a formula simplification that was a NOOP. DAG size: 1128 [2019-10-07 14:43:30,328 WARN L191 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 684 [2019-10-07 14:43:31,430 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 1368 [2019-10-07 14:43:32,037 WARN L191 SmtUtils]: Spent 604.00 ms on a formula simplification that was a NOOP. DAG size: 1128 [2019-10-07 14:43:32,639 WARN L191 SmtUtils]: Spent 599.00 ms on a formula simplification that was a NOOP. DAG size: 1128 [2019-10-07 14:43:32,912 WARN L191 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 684 [2019-10-07 14:43:34,007 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1368 [2019-10-07 14:43:34,613 WARN L191 SmtUtils]: Spent 603.00 ms on a formula simplification that was a NOOP. DAG size: 1128 [2019-10-07 14:43:35,217 WARN L191 SmtUtils]: Spent 600.00 ms on a formula simplification that was a NOOP. DAG size: 1128 [2019-10-07 14:43:35,491 WARN L191 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 684 [2019-10-07 14:43:36,590 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 1368 [2019-10-07 14:43:37,195 WARN L191 SmtUtils]: Spent 602.00 ms on a formula simplification that was a NOOP. DAG size: 1128 [2019-10-07 14:43:37,804 WARN L191 SmtUtils]: Spent 606.00 ms on a formula simplification that was a NOOP. DAG size: 1128 [2019-10-07 14:43:38,078 WARN L191 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 684 [2019-10-07 14:43:39,178 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 1368 [2019-10-07 14:43:39,786 WARN L191 SmtUtils]: Spent 605.00 ms on a formula simplification that was a NOOP. DAG size: 1128 [2019-10-07 14:43:40,391 WARN L191 SmtUtils]: Spent 602.00 ms on a formula simplification that was a NOOP. DAG size: 1128 [2019-10-07 14:43:40,669 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 684 [2019-10-07 14:43:41,763 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1368 [2019-10-07 14:43:42,359 WARN L191 SmtUtils]: Spent 593.00 ms on a formula simplification that was a NOOP. DAG size: 1128 [2019-10-07 14:43:42,964 WARN L191 SmtUtils]: Spent 602.00 ms on a formula simplification that was a NOOP. DAG size: 1128 [2019-10-07 14:43:43,242 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 684 [2019-10-07 14:43:44,347 WARN L191 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 1368 [2019-10-07 14:43:44,949 WARN L191 SmtUtils]: Spent 599.00 ms on a formula simplification that was a NOOP. DAG size: 1128 [2019-10-07 14:43:45,555 WARN L191 SmtUtils]: Spent 603.00 ms on a formula simplification that was a NOOP. DAG size: 1128 [2019-10-07 14:43:45,830 WARN L191 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 684 [2019-10-07 14:43:46,920 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 1368 [2019-10-07 14:43:47,272 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-07 14:43:47,273 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: CallReturnSummary for callee select_one at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.generateProof(TraceAbstractionRefinementEngine.java:177) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:133) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:122) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: CallReturnSummary for callee select_one at de.uni_freiburg.informatik.ultimate.lib.sifa.PriorityWorklist.add(PriorityWorklist.java:97) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.lambda$2(DagInterpreter.java:135) at java.lang.Iterable.forEach(Iterable.java:75) at java.util.Collections$UnmodifiableCollection.forEach(Collections.java:1080) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:135) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:104) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.computeTopSummary(TopInputCallSummarizer.java:78) at java.util.HashMap.computeIfAbsent(HashMap.java:1127) at de.uni_freiburg.informatik.ultimate.lib.sifa.summarizers.TopInputCallSummarizer.summarize(TopInputCallSummarizer.java:67) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretCallReturnSummary(DagInterpreter.java:230) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTransAndStoreLoiPred(DagInterpreter.java:214) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretTrans(DagInterpreter.java:197) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.ipretNode(DagInterpreter.java:166) at de.uni_freiburg.informatik.ultimate.lib.sifa.DagInterpreter.interpret(DagInterpreter.java:130) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpretLoisInProcedure(IcfgInterpreter.java:139) at de.uni_freiburg.informatik.ultimate.lib.sifa.IcfgInterpreter.interpret(IcfgInterpreter.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:99) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:287) ... 21 more [2019-10-07 14:43:47,278 INFO L168 Benchmark]: Toolchain (without parser) took 170823.32 ms. Allocated memory was 138.4 MB in the beginning and 934.3 MB in the end (delta: 795.9 MB). Free memory was 98.5 MB in the beginning and 313.1 MB in the end (delta: -214.5 MB). Peak memory consumption was 581.3 MB. Max. memory is 7.1 GB. [2019-10-07 14:43:47,279 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory is still 120.0 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-07 14:43:47,280 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1275.81 ms. Allocated memory was 138.4 MB in the beginning and 203.9 MB in the end (delta: 65.5 MB). Free memory was 98.5 MB in the beginning and 106.0 MB in the end (delta: -7.5 MB). Peak memory consumption was 63.3 MB. Max. memory is 7.1 GB. [2019-10-07 14:43:47,281 INFO L168 Benchmark]: Boogie Preprocessor took 232.13 ms. Allocated memory is still 203.9 MB. Free memory was 106.0 MB in the beginning and 95.8 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2019-10-07 14:43:47,282 INFO L168 Benchmark]: RCFGBuilder took 4925.68 ms. Allocated memory was 203.9 MB in the beginning and 297.3 MB in the end (delta: 93.3 MB). Free memory was 95.8 MB in the beginning and 192.3 MB in the end (delta: -96.4 MB). Peak memory consumption was 114.5 MB. Max. memory is 7.1 GB. [2019-10-07 14:43:47,283 INFO L168 Benchmark]: TraceAbstraction took 164385.21 ms. Allocated memory was 297.3 MB in the beginning and 934.3 MB in the end (delta: 637.0 MB). Free memory was 192.3 MB in the beginning and 313.1 MB in the end (delta: -120.8 MB). Peak memory consumption was 516.2 MB. Max. memory is 7.1 GB. [2019-10-07 14:43:47,288 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory is still 120.0 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1275.81 ms. Allocated memory was 138.4 MB in the beginning and 203.9 MB in the end (delta: 65.5 MB). Free memory was 98.5 MB in the beginning and 106.0 MB in the end (delta: -7.5 MB). Peak memory consumption was 63.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 232.13 ms. Allocated memory is still 203.9 MB. Free memory was 106.0 MB in the beginning and 95.8 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4925.68 ms. Allocated memory was 203.9 MB in the beginning and 297.3 MB in the end (delta: 93.3 MB). Free memory was 95.8 MB in the beginning and 192.3 MB in the end (delta: -96.4 MB). Peak memory consumption was 114.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 164385.21 ms. Allocated memory was 297.3 MB in the beginning and 934.3 MB in the end (delta: 637.0 MB). Free memory was 192.3 MB in the beginning and 313.1 MB in the end (delta: -120.8 MB). Peak memory consumption was 516.2 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: CallReturnSummary for callee select_one de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: java.lang.IllegalArgumentException: Tried to insert element unknown in custom order: CallReturnSummary for callee select_one: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:295) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...