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 -i ../../../trunk/examples/svcomp/product-lines/email_spec27_product13.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-08 04:48:59,255 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-08 04:48:59,258 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-08 04:48:59,276 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-08 04:48:59,276 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-08 04:48:59,277 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-08 04:48:59,279 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-08 04:48:59,280 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-08 04:48:59,282 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-08 04:48:59,283 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-08 04:48:59,284 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-08 04:48:59,285 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-08 04:48:59,285 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-08 04:48:59,286 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-08 04:48:59,287 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-08 04:48:59,288 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-08 04:48:59,289 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-08 04:48:59,290 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-08 04:48:59,291 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-08 04:48:59,294 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-08 04:48:59,295 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-08 04:48:59,296 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-08 04:48:59,297 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-08 04:48:59,298 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-08 04:48:59,300 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-08 04:48:59,300 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-08 04:48:59,300 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-08 04:48:59,301 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-08 04:48:59,302 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-08 04:48:59,303 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-08 04:48:59,303 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-08 04:48:59,304 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-08 04:48:59,304 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-08 04:48:59,305 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-08 04:48:59,306 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-08 04:48:59,306 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-08 04:48:59,307 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-08 04:48:59,307 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-08 04:48:59,307 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-08 04:48:59,308 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-08 04:48:59,309 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-08 04:48:59,310 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 [2019-09-08 04:48:59,332 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-08 04:48:59,334 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-08 04:48:59,335 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-08 04:48:59,336 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-08 04:48:59,336 INFO L138 SettingsManager]: * Use SBE=true [2019-09-08 04:48:59,336 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-08 04:48:59,336 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-08 04:48:59,336 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-08 04:48:59,337 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-08 04:48:59,337 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-08 04:48:59,338 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-08 04:48:59,339 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-08 04:48:59,339 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-08 04:48:59,339 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-08 04:48:59,339 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-08 04:48:59,339 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-08 04:48:59,340 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-08 04:48:59,340 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-08 04:48:59,340 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-08 04:48:59,340 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-08 04:48:59,341 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-08 04:48:59,341 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-08 04:48:59,341 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-08 04:48:59,341 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-08 04:48:59,342 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-08 04:48:59,342 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-08 04:48:59,342 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-08 04:48:59,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-08 04:48:59,343 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-08 04:48:59,377 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-08 04:48:59,390 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-08 04:48:59,394 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-08 04:48:59,395 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-08 04:48:59,396 INFO L275 PluginConnector]: CDTParser initialized [2019-09-08 04:48:59,397 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec27_product13.cil.c [2019-09-08 04:48:59,470 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f2823c1d/f9612a173531405e8965c10486447e8c/FLAGa5d6ccb34 [2019-09-08 04:49:00,122 INFO L306 CDTParser]: Found 1 translation units. [2019-09-08 04:49:00,124 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec27_product13.cil.c [2019-09-08 04:49:00,163 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f2823c1d/f9612a173531405e8965c10486447e8c/FLAGa5d6ccb34 [2019-09-08 04:49:00,300 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f2823c1d/f9612a173531405e8965c10486447e8c [2019-09-08 04:49:00,313 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-08 04:49:00,315 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-08 04:49:00,316 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-08 04:49:00,316 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-08 04:49:00,320 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-08 04:49:00,321 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 04:49:00" (1/1) ... [2019-09-08 04:49:00,324 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b099e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:49:00, skipping insertion in model container [2019-09-08 04:49:00,325 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 04:49:00" (1/1) ... [2019-09-08 04:49:00,333 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-08 04:49:00,422 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-08 04:49:01,158 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 04:49:01,176 INFO L188 MainTranslator]: Completed pre-run [2019-09-08 04:49:01,319 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-08 04:49:01,394 INFO L192 MainTranslator]: Completed translation [2019-09-08 04:49:01,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:49:01 WrapperNode [2019-09-08 04:49:01,395 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-08 04:49:01,396 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-08 04:49:01,397 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-08 04:49:01,397 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-08 04:49:01,411 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:49:01" (1/1) ... [2019-09-08 04:49:01,411 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:49:01" (1/1) ... [2019-09-08 04:49:01,463 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:49:01" (1/1) ... [2019-09-08 04:49:01,463 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:49:01" (1/1) ... [2019-09-08 04:49:01,546 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:49:01" (1/1) ... [2019-09-08 04:49:01,586 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:49:01" (1/1) ... [2019-09-08 04:49:01,609 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:49:01" (1/1) ... [2019-09-08 04:49:01,641 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-08 04:49:01,645 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-08 04:49:01,645 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-08 04:49:01,645 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-08 04:49:01,646 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:49:01" (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 [2019-09-08 04:49:01,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-08 04:49:01,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-08 04:49:01,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-08 04:49:01,734 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-09-08 04:49:01,735 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-08 04:49:01,736 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-08 04:49:01,736 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-08 04:49:01,736 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-08 04:49:01,737 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-08 04:49:01,737 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-08 04:49:01,737 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-08 04:49:01,738 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-08 04:49:01,739 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-08 04:49:01,739 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-08 04:49:01,740 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-09-08 04:49:01,741 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2019-09-08 04:49:01,743 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-09-08 04:49:01,744 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-09-08 04:49:01,744 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-09-08 04:49:01,744 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-09-08 04:49:01,744 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-09-08 04:49:01,745 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-09-08 04:49:01,745 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-09-08 04:49:01,745 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-09-08 04:49:01,745 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-09-08 04:49:01,746 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-09-08 04:49:01,746 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-09-08 04:49:01,746 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-09-08 04:49:01,746 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-09-08 04:49:01,747 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-09-08 04:49:01,747 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-09-08 04:49:01,747 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-09-08 04:49:01,747 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-09-08 04:49:01,747 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-09-08 04:49:01,748 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-09-08 04:49:01,748 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-09-08 04:49:01,748 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-09-08 04:49:01,748 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-09-08 04:49:01,748 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-09-08 04:49:01,748 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-09-08 04:49:01,749 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-09-08 04:49:01,749 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-09-08 04:49:01,749 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-09-08 04:49:01,749 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-09-08 04:49:01,749 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-09-08 04:49:01,750 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-09-08 04:49:01,750 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-09-08 04:49:01,750 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-09-08 04:49:01,750 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-09-08 04:49:01,750 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-09-08 04:49:01,750 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-09-08 04:49:01,751 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-09-08 04:49:01,751 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-09-08 04:49:01,751 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-09-08 04:49:01,752 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-09-08 04:49:01,752 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-09-08 04:49:01,752 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-09-08 04:49:01,752 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-09-08 04:49:01,752 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-09-08 04:49:01,753 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-09-08 04:49:01,753 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-09-08 04:49:01,753 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-09-08 04:49:01,754 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-09-08 04:49:01,754 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-09-08 04:49:01,754 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-09-08 04:49:01,754 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-09-08 04:49:01,754 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-09-08 04:49:01,754 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-09-08 04:49:01,755 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-09-08 04:49:01,755 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-09-08 04:49:01,755 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-09-08 04:49:01,756 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-09-08 04:49:01,756 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-09-08 04:49:01,756 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-08 04:49:01,757 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-08 04:49:01,757 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-09-08 04:49:01,757 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-09-08 04:49:01,757 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-09-08 04:49:01,758 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-09-08 04:49:01,758 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-09-08 04:49:01,758 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-09-08 04:49:01,758 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-09-08 04:49:01,759 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-09-08 04:49:01,759 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-09-08 04:49:01,759 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__VerifyForward_spec__1 [2019-09-08 04:49:01,759 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-09-08 04:49:01,760 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-09-08 04:49:01,760 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-09-08 04:49:01,761 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-09-08 04:49:01,761 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-09-08 04:49:01,761 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-09-08 04:49:01,762 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-09-08 04:49:01,762 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-09-08 04:49:01,762 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-09-08 04:49:01,762 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-09-08 04:49:01,762 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-09-08 04:49:01,763 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-09-08 04:49:01,763 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-09-08 04:49:01,763 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-09-08 04:49:01,763 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-09-08 04:49:01,763 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-09-08 04:49:01,763 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-09-08 04:49:01,764 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-09-08 04:49:01,764 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-09-08 04:49:01,764 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-09-08 04:49:01,764 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-09-08 04:49:01,764 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-08 04:49:01,765 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-08 04:49:01,765 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-08 04:49:01,765 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-08 04:49:01,765 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-08 04:49:01,766 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-09-08 04:49:01,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-08 04:49:01,766 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-08 04:49:01,766 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-08 04:49:01,766 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-08 04:49:01,766 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-08 04:49:01,767 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-08 04:49:01,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-08 04:49:01,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-08 04:49:01,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-08 04:49:01,768 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-08 04:49:01,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-08 04:49:01,769 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-08 04:49:01,769 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-08 04:49:01,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-08 04:49:01,770 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-08 04:49:01,770 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-08 04:49:01,770 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-08 04:49:01,770 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-08 04:49:01,770 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-08 04:49:01,771 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-08 04:49:01,771 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-08 04:49:01,771 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-09-08 04:49:01,771 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-09-08 04:49:01,772 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-09-08 04:49:01,772 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-09-08 04:49:01,773 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-09-08 04:49:01,773 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-09-08 04:49:01,774 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-09-08 04:49:01,777 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-09-08 04:49:01,777 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-09-08 04:49:01,778 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-09-08 04:49:01,778 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-09-08 04:49:01,785 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-09-08 04:49:01,786 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-09-08 04:49:01,786 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2019-09-08 04:49:01,786 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-09-08 04:49:01,786 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-09-08 04:49:01,786 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-09-08 04:49:01,786 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-09-08 04:49:01,787 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-09-08 04:49:01,787 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-09-08 04:49:01,787 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-09-08 04:49:01,787 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-09-08 04:49:01,787 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-09-08 04:49:01,787 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-09-08 04:49:01,787 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-09-08 04:49:01,787 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-09-08 04:49:01,787 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-09-08 04:49:01,788 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-09-08 04:49:01,788 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-09-08 04:49:01,788 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-09-08 04:49:01,788 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-09-08 04:49:01,788 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-09-08 04:49:01,788 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-09-08 04:49:01,788 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-09-08 04:49:01,789 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-09-08 04:49:01,789 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-09-08 04:49:01,789 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-09-08 04:49:01,789 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-09-08 04:49:01,789 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__VerifyForward_spec__1 [2019-09-08 04:49:01,789 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-09-08 04:49:01,789 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-09-08 04:49:01,789 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-09-08 04:49:01,790 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-09-08 04:49:01,790 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-09-08 04:49:01,790 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-09-08 04:49:01,790 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-09-08 04:49:01,790 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-09-08 04:49:01,790 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-09-08 04:49:01,790 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-09-08 04:49:01,791 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-09-08 04:49:01,791 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-09-08 04:49:01,791 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-09-08 04:49:01,791 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-09-08 04:49:01,791 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-09-08 04:49:01,791 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-09-08 04:49:01,791 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-09-08 04:49:01,792 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-09-08 04:49:01,792 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-09-08 04:49:01,792 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-09-08 04:49:01,792 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-09-08 04:49:01,792 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-09-08 04:49:01,792 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-09-08 04:49:01,792 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-09-08 04:49:01,793 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-09-08 04:49:01,793 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-09-08 04:49:01,793 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-09-08 04:49:01,793 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-09-08 04:49:01,793 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-09-08 04:49:01,793 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-09-08 04:49:01,793 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-08 04:49:01,794 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-08 04:49:01,794 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-08 04:49:01,794 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-09-08 04:49:01,794 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-09-08 04:49:01,794 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-09-08 04:49:01,794 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-09-08 04:49:01,794 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-09-08 04:49:01,794 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-09-08 04:49:01,795 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-09-08 04:49:01,795 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-09-08 04:49:01,795 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-09-08 04:49:01,795 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-09-08 04:49:01,795 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-09-08 04:49:01,795 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-09-08 04:49:01,795 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-08 04:49:01,795 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-09-08 04:49:01,796 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-09-08 04:49:01,796 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-09-08 04:49:01,796 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-09-08 04:49:01,796 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-09-08 04:49:01,796 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-09-08 04:49:01,796 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-09-08 04:49:01,796 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-09-08 04:49:01,797 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-09-08 04:49:01,797 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-09-08 04:49:01,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-08 04:49:01,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-08 04:49:01,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-08 04:49:03,986 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-08 04:49:03,987 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-08 04:49:03,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 04:49:03 BoogieIcfgContainer [2019-09-08 04:49:03,990 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-08 04:49:03,991 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-08 04:49:03,991 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-08 04:49:03,995 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-08 04:49:03,996 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 04:49:00" (1/3) ... [2019-09-08 04:49:03,996 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40ec5a4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 04:49:03, skipping insertion in model container [2019-09-08 04:49:03,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 04:49:01" (2/3) ... [2019-09-08 04:49:03,997 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40ec5a4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 04:49:03, skipping insertion in model container [2019-09-08 04:49:03,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 04:49:03" (3/3) ... [2019-09-08 04:49:03,999 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec27_product13.cil.c [2019-09-08 04:49:04,013 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-08 04:49:04,027 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-08 04:49:04,045 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-08 04:49:04,089 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-08 04:49:04,089 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-08 04:49:04,089 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-08 04:49:04,090 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-08 04:49:04,090 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-08 04:49:04,090 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-08 04:49:04,090 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-08 04:49:04,090 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-08 04:49:04,090 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-08 04:49:04,128 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states. [2019-09-08 04:49:04,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2019-09-08 04:49:04,162 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 04:49:04,164 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2019-09-08 04:49:04,168 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 04:49:04,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 04:49:04,174 INFO L82 PathProgramCache]: Analyzing trace with hash 1066825624, now seen corresponding path program 1 times [2019-09-08 04:49:04,176 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 04:49:04,177 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 04:49:04,230 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 04:49:04,231 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 04:49:04,235 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 04:49:04,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 04:49:04,846 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-08 04:49:04,849 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 04:49:04,849 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-08 04:49:04,857 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-08 04:49:04,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-08 04:49:04,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-08 04:49:04,876 INFO L87 Difference]: Start difference. First operand 449 states. Second operand 2 states. [2019-09-08 04:49:04,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 04:49:04,983 INFO L93 Difference]: Finished difference Result 617 states and 816 transitions. [2019-09-08 04:49:04,984 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-08 04:49:04,986 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 177 [2019-09-08 04:49:04,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 04:49:05,023 INFO L225 Difference]: With dead ends: 617 [2019-09-08 04:49:05,023 INFO L226 Difference]: Without dead ends: 409 [2019-09-08 04:49:05,035 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-08 04:49:05,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2019-09-08 04:49:05,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 409. [2019-09-08 04:49:05,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 409 states. [2019-09-08 04:49:05,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 544 transitions. [2019-09-08 04:49:05,172 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 544 transitions. Word has length 177 [2019-09-08 04:49:05,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 04:49:05,175 INFO L475 AbstractCegarLoop]: Abstraction has 409 states and 544 transitions. [2019-09-08 04:49:05,176 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-08 04:49:05,176 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 544 transitions. [2019-09-08 04:49:05,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2019-09-08 04:49:05,180 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 04:49:05,181 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2019-09-08 04:49:05,181 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 04:49:05,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 04:49:05,182 INFO L82 PathProgramCache]: Analyzing trace with hash -455066040, now seen corresponding path program 1 times [2019-09-08 04:49:05,182 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 04:49:05,182 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 04:49:05,183 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 04:49:05,184 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 04:49:05,184 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 04:49:05,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 04:49:05,452 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-08 04:49:05,452 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 04:49:05,452 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 04:49:05,460 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 04:49:05,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 04:49:05,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 04:49:05,462 INFO L87 Difference]: Start difference. First operand 409 states and 544 transitions. Second operand 3 states. [2019-09-08 04:49:05,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 04:49:05,518 INFO L93 Difference]: Finished difference Result 600 states and 782 transitions. [2019-09-08 04:49:05,518 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 04:49:05,518 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 178 [2019-09-08 04:49:05,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 04:49:05,523 INFO L225 Difference]: With dead ends: 600 [2019-09-08 04:49:05,523 INFO L226 Difference]: Without dead ends: 412 [2019-09-08 04:49:05,525 INFO L628 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 [2019-09-08 04:49:05,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2019-09-08 04:49:05,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 411. [2019-09-08 04:49:05,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 411 states. [2019-09-08 04:49:05,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 546 transitions. [2019-09-08 04:49:05,544 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 546 transitions. Word has length 178 [2019-09-08 04:49:05,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 04:49:05,544 INFO L475 AbstractCegarLoop]: Abstraction has 411 states and 546 transitions. [2019-09-08 04:49:05,544 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 04:49:05,545 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 546 transitions. [2019-09-08 04:49:05,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2019-09-08 04:49:05,548 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 04:49:05,548 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2019-09-08 04:49:05,548 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 04:49:05,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 04:49:05,549 INFO L82 PathProgramCache]: Analyzing trace with hash -1895632684, now seen corresponding path program 1 times [2019-09-08 04:49:05,549 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 04:49:05,549 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 04:49:05,550 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 04:49:05,550 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 04:49:05,550 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 04:49:05,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 04:49:05,736 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-08 04:49:05,737 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 04:49:05,737 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-08 04:49:05,739 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-08 04:49:05,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-08 04:49:05,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-08 04:49:05,742 INFO L87 Difference]: Start difference. First operand 411 states and 546 transitions. Second operand 3 states. [2019-09-08 04:49:05,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 04:49:05,790 INFO L93 Difference]: Finished difference Result 796 states and 1087 transitions. [2019-09-08 04:49:05,791 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-08 04:49:05,791 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 184 [2019-09-08 04:49:05,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 04:49:05,795 INFO L225 Difference]: With dead ends: 796 [2019-09-08 04:49:05,795 INFO L226 Difference]: Without dead ends: 450 [2019-09-08 04:49:05,797 INFO L628 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 [2019-09-08 04:49:05,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2019-09-08 04:49:05,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 449. [2019-09-08 04:49:05,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 449 states. [2019-09-08 04:49:05,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 612 transitions. [2019-09-08 04:49:05,819 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 612 transitions. Word has length 184 [2019-09-08 04:49:05,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 04:49:05,820 INFO L475 AbstractCegarLoop]: Abstraction has 449 states and 612 transitions. [2019-09-08 04:49:05,820 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-08 04:49:05,820 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 612 transitions. [2019-09-08 04:49:05,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2019-09-08 04:49:05,824 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 04:49:05,824 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2019-09-08 04:49:05,825 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 04:49:05,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 04:49:05,825 INFO L82 PathProgramCache]: Analyzing trace with hash -1099086942, now seen corresponding path program 1 times [2019-09-08 04:49:05,825 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 04:49:05,825 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 04:49:05,826 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 04:49:05,827 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 04:49:05,827 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 04:49:05,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 04:49:06,140 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-09-08 04:49:06,141 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 04:49:06,141 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-08 04:49:06,141 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-08 04:49:06,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-08 04:49:06,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-08 04:49:06,142 INFO L87 Difference]: Start difference. First operand 449 states and 612 transitions. Second operand 8 states. [2019-09-08 04:49:06,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 04:49:06,207 INFO L93 Difference]: Finished difference Result 619 states and 829 transitions. [2019-09-08 04:49:06,208 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-08 04:49:06,208 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 185 [2019-09-08 04:49:06,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 04:49:06,214 INFO L225 Difference]: With dead ends: 619 [2019-09-08 04:49:06,214 INFO L226 Difference]: Without dead ends: 449 [2019-09-08 04:49:06,216 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-08 04:49:06,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2019-09-08 04:49:06,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 449. [2019-09-08 04:49:06,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 449 states. [2019-09-08 04:49:06,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 611 transitions. [2019-09-08 04:49:06,243 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 611 transitions. Word has length 185 [2019-09-08 04:49:06,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 04:49:06,243 INFO L475 AbstractCegarLoop]: Abstraction has 449 states and 611 transitions. [2019-09-08 04:49:06,244 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-08 04:49:06,244 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 611 transitions. [2019-09-08 04:49:06,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2019-09-08 04:49:06,251 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 04:49:06,252 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2019-09-08 04:49:06,252 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 04:49:06,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 04:49:06,252 INFO L82 PathProgramCache]: Analyzing trace with hash -1092785353, now seen corresponding path program 1 times [2019-09-08 04:49:06,253 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 04:49:06,253 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 04:49:06,254 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 04:49:06,254 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 04:49:06,254 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 04:49:06,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 04:49:06,528 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-09-08 04:49:06,528 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 04:49:06,528 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-08 04:49:06,529 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-08 04:49:06,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-08 04:49:06,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-08 04:49:06,531 INFO L87 Difference]: Start difference. First operand 449 states and 611 transitions. Second operand 7 states. [2019-09-08 04:49:08,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 04:49:08,660 INFO L93 Difference]: Finished difference Result 812 states and 1070 transitions. [2019-09-08 04:49:08,660 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-09-08 04:49:08,660 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 192 [2019-09-08 04:49:08,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 04:49:08,666 INFO L225 Difference]: With dead ends: 812 [2019-09-08 04:49:08,666 INFO L226 Difference]: Without dead ends: 634 [2019-09-08 04:49:08,667 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-09-08 04:49:08,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 634 states. [2019-09-08 04:49:08,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 634 to 625. [2019-09-08 04:49:08,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 625 states. [2019-09-08 04:49:08,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 832 transitions. [2019-09-08 04:49:08,700 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 832 transitions. Word has length 192 [2019-09-08 04:49:08,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 04:49:08,701 INFO L475 AbstractCegarLoop]: Abstraction has 625 states and 832 transitions. [2019-09-08 04:49:08,701 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-08 04:49:08,701 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 832 transitions. [2019-09-08 04:49:08,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2019-09-08 04:49:08,705 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 04:49:08,705 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2019-09-08 04:49:08,705 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 04:49:08,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 04:49:08,706 INFO L82 PathProgramCache]: Analyzing trace with hash 562715681, now seen corresponding path program 1 times [2019-09-08 04:49:08,706 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 04:49:08,706 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 04:49:08,707 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 04:49:08,707 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 04:49:08,707 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 04:49:08,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 04:49:09,148 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-09-08 04:49:09,149 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 04:49:09,149 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2019-09-08 04:49:09,150 INFO L454 AbstractCegarLoop]: Interpolant automaton has 22 states [2019-09-08 04:49:09,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2019-09-08 04:49:09,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=421, Unknown=0, NotChecked=0, Total=462 [2019-09-08 04:49:09,152 INFO L87 Difference]: Start difference. First operand 625 states and 832 transitions. Second operand 22 states. [2019-09-08 04:49:09,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 04:49:09,756 INFO L93 Difference]: Finished difference Result 1043 states and 1362 transitions. [2019-09-08 04:49:09,756 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-09-08 04:49:09,757 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 193 [2019-09-08 04:49:09,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 04:49:09,766 INFO L225 Difference]: With dead ends: 1043 [2019-09-08 04:49:09,767 INFO L226 Difference]: Without dead ends: 663 [2019-09-08 04:49:09,769 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=77, Invalid=853, Unknown=0, NotChecked=0, Total=930 [2019-09-08 04:49:09,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 663 states. [2019-09-08 04:49:09,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 663 to 659. [2019-09-08 04:49:09,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 659 states. [2019-09-08 04:49:09,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 872 transitions. [2019-09-08 04:49:09,816 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 872 transitions. Word has length 193 [2019-09-08 04:49:09,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 04:49:09,817 INFO L475 AbstractCegarLoop]: Abstraction has 659 states and 872 transitions. [2019-09-08 04:49:09,817 INFO L476 AbstractCegarLoop]: Interpolant automaton has 22 states. [2019-09-08 04:49:09,817 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 872 transitions. [2019-09-08 04:49:09,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2019-09-08 04:49:09,822 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 04:49:09,822 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 04:49:09,823 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 04:49:09,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 04:49:09,823 INFO L82 PathProgramCache]: Analyzing trace with hash 2094009423, now seen corresponding path program 1 times [2019-09-08 04:49:09,823 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 04:49:09,824 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 04:49:09,828 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 04:49:09,828 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 04:49:09,828 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 04:49:09,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 04:49:10,099 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2019-09-08 04:49:10,099 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 04:49:10,099 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-08 04:49:10,100 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-08 04:49:10,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-08 04:49:10,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-08 04:49:10,101 INFO L87 Difference]: Start difference. First operand 659 states and 872 transitions. Second operand 8 states. [2019-09-08 04:49:13,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 04:49:13,736 INFO L93 Difference]: Finished difference Result 1839 states and 2373 transitions. [2019-09-08 04:49:13,736 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-09-08 04:49:13,737 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 224 [2019-09-08 04:49:13,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 04:49:13,747 INFO L225 Difference]: With dead ends: 1839 [2019-09-08 04:49:13,747 INFO L226 Difference]: Without dead ends: 1473 [2019-09-08 04:49:13,749 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=267, Unknown=0, NotChecked=0, Total=342 [2019-09-08 04:49:13,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1473 states. [2019-09-08 04:49:13,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1473 to 1459. [2019-09-08 04:49:13,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1459 states. [2019-09-08 04:49:13,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1459 states to 1459 states and 1896 transitions. [2019-09-08 04:49:13,830 INFO L78 Accepts]: Start accepts. Automaton has 1459 states and 1896 transitions. Word has length 224 [2019-09-08 04:49:13,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 04:49:13,831 INFO L475 AbstractCegarLoop]: Abstraction has 1459 states and 1896 transitions. [2019-09-08 04:49:13,831 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-08 04:49:13,831 INFO L276 IsEmpty]: Start isEmpty. Operand 1459 states and 1896 transitions. [2019-09-08 04:49:13,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2019-09-08 04:49:13,836 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 04:49:13,836 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 04:49:13,837 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 04:49:13,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 04:49:13,837 INFO L82 PathProgramCache]: Analyzing trace with hash -458535677, now seen corresponding path program 1 times [2019-09-08 04:49:13,837 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 04:49:13,837 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 04:49:13,838 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 04:49:13,838 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 04:49:13,838 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 04:49:13,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 04:49:14,213 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2019-09-08 04:49:14,214 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-08 04:49:14,214 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2019-09-08 04:49:14,215 INFO L454 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-09-08 04:49:14,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-09-08 04:49:14,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2019-09-08 04:49:14,216 INFO L87 Difference]: Start difference. First operand 1459 states and 1896 transitions. Second operand 18 states. [2019-09-08 04:49:14,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 04:49:14,642 INFO L93 Difference]: Finished difference Result 2072 states and 2679 transitions. [2019-09-08 04:49:14,643 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2019-09-08 04:49:14,643 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 225 [2019-09-08 04:49:14,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 04:49:14,650 INFO L225 Difference]: With dead ends: 2072 [2019-09-08 04:49:14,650 INFO L226 Difference]: Without dead ends: 1181 [2019-09-08 04:49:14,653 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=539, Unknown=0, NotChecked=0, Total=600 [2019-09-08 04:49:14,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1181 states. [2019-09-08 04:49:14,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1181 to 1175. [2019-09-08 04:49:14,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1175 states. [2019-09-08 04:49:14,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1175 states to 1175 states and 1546 transitions. [2019-09-08 04:49:14,714 INFO L78 Accepts]: Start accepts. Automaton has 1175 states and 1546 transitions. Word has length 225 [2019-09-08 04:49:14,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 04:49:14,715 INFO L475 AbstractCegarLoop]: Abstraction has 1175 states and 1546 transitions. [2019-09-08 04:49:14,715 INFO L476 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-09-08 04:49:14,715 INFO L276 IsEmpty]: Start isEmpty. Operand 1175 states and 1546 transitions. [2019-09-08 04:49:14,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2019-09-08 04:49:14,720 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 04:49:14,721 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 04:49:14,721 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 04:49:14,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 04:49:14,721 INFO L82 PathProgramCache]: Analyzing trace with hash -2120696884, now seen corresponding path program 1 times [2019-09-08 04:49:14,721 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 04:49:14,721 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 04:49:14,722 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 04:49:14,722 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 04:49:14,722 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 04:49:14,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 04:49:14,922 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2019-09-08 04:49:14,923 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 04:49:14,923 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) [2019-09-08 04:49:14,946 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 04:49:15,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 04:49:15,324 INFO L256 TraceCheckSpWp]: Trace formula consists of 2542 conjuncts, 8 conjunts are in the unsatisfiable core [2019-09-08 04:49:15,342 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 04:49:15,595 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-09-08 04:49:15,612 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 04:49:15,612 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [7] total 14 [2019-09-08 04:49:15,615 INFO L454 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-09-08 04:49:15,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-09-08 04:49:15,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2019-09-08 04:49:15,617 INFO L87 Difference]: Start difference. First operand 1175 states and 1546 transitions. Second operand 14 states. [2019-09-08 04:49:19,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 04:49:19,663 INFO L93 Difference]: Finished difference Result 4327 states and 5812 transitions. [2019-09-08 04:49:19,663 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-09-08 04:49:19,663 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 234 [2019-09-08 04:49:19,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 04:49:19,689 INFO L225 Difference]: With dead ends: 4327 [2019-09-08 04:49:19,689 INFO L226 Difference]: Without dead ends: 3186 [2019-09-08 04:49:19,697 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=135, Invalid=795, Unknown=0, NotChecked=0, Total=930 [2019-09-08 04:49:19,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3186 states. [2019-09-08 04:49:19,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3186 to 3076. [2019-09-08 04:49:19,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3076 states. [2019-09-08 04:49:19,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3076 states to 3076 states and 4106 transitions. [2019-09-08 04:49:19,989 INFO L78 Accepts]: Start accepts. Automaton has 3076 states and 4106 transitions. Word has length 234 [2019-09-08 04:49:19,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 04:49:19,990 INFO L475 AbstractCegarLoop]: Abstraction has 3076 states and 4106 transitions. [2019-09-08 04:49:19,991 INFO L476 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-09-08 04:49:19,991 INFO L276 IsEmpty]: Start isEmpty. Operand 3076 states and 4106 transitions. [2019-09-08 04:49:19,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2019-09-08 04:49:19,998 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 04:49:19,998 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 04:49:19,999 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 04:49:19,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 04:49:19,999 INFO L82 PathProgramCache]: Analyzing trace with hash 314287688, now seen corresponding path program 1 times [2019-09-08 04:49:19,999 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 04:49:19,999 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 04:49:20,002 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 04:49:20,002 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 04:49:20,002 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 04:49:20,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 04:49:20,262 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-09-08 04:49:20,263 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 04:49:20,263 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 04:49:20,278 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 04:49:20,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 04:49:20,628 INFO L256 TraceCheckSpWp]: Trace formula consists of 2544 conjuncts, 6 conjunts are in the unsatisfiable core [2019-09-08 04:49:20,638 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 04:49:20,748 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-09-08 04:49:20,763 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 04:49:20,764 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2019-09-08 04:49:20,765 INFO L454 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-09-08 04:49:20,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-09-08 04:49:20,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2019-09-08 04:49:20,766 INFO L87 Difference]: Start difference. First operand 3076 states and 4106 transitions. Second operand 12 states. [2019-09-08 04:49:23,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 04:49:23,762 INFO L93 Difference]: Finished difference Result 11285 states and 15332 transitions. [2019-09-08 04:49:23,762 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-09-08 04:49:23,763 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 236 [2019-09-08 04:49:23,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 04:49:23,817 INFO L225 Difference]: With dead ends: 11285 [2019-09-08 04:49:23,818 INFO L226 Difference]: Without dead ends: 8254 [2019-09-08 04:49:23,835 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=121, Invalid=635, Unknown=0, NotChecked=0, Total=756 [2019-09-08 04:49:23,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8254 states. [2019-09-08 04:49:24,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8254 to 7843. [2019-09-08 04:49:24,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7843 states. [2019-09-08 04:49:24,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7843 states to 7843 states and 10614 transitions. [2019-09-08 04:49:24,313 INFO L78 Accepts]: Start accepts. Automaton has 7843 states and 10614 transitions. Word has length 236 [2019-09-08 04:49:24,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 04:49:24,313 INFO L475 AbstractCegarLoop]: Abstraction has 7843 states and 10614 transitions. [2019-09-08 04:49:24,313 INFO L476 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-09-08 04:49:24,314 INFO L276 IsEmpty]: Start isEmpty. Operand 7843 states and 10614 transitions. [2019-09-08 04:49:24,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2019-09-08 04:49:24,332 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 04:49:24,333 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 04:49:24,333 INFO L418 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 04:49:24,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 04:49:24,334 INFO L82 PathProgramCache]: Analyzing trace with hash -189117594, now seen corresponding path program 1 times [2019-09-08 04:49:24,334 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 04:49:24,334 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 04:49:24,335 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 04:49:24,336 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 04:49:24,336 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 04:49:24,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 04:49:24,748 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2019-09-08 04:49:24,748 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 04:49:24,749 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 04:49:24,768 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 04:49:25,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 04:49:25,126 INFO L256 TraceCheckSpWp]: Trace formula consists of 2545 conjuncts, 8 conjunts are in the unsatisfiable core [2019-09-08 04:49:25,136 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 04:49:25,245 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-09-08 04:49:25,252 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 04:49:25,252 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [5] total 12 [2019-09-08 04:49:25,253 INFO L454 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-09-08 04:49:25,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-09-08 04:49:25,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2019-09-08 04:49:25,254 INFO L87 Difference]: Start difference. First operand 7843 states and 10614 transitions. Second operand 12 states. [2019-09-08 04:49:28,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 04:49:28,365 INFO L93 Difference]: Finished difference Result 28964 states and 39888 transitions. [2019-09-08 04:49:28,366 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-09-08 04:49:28,366 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 237 [2019-09-08 04:49:28,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 04:49:28,526 INFO L225 Difference]: With dead ends: 28964 [2019-09-08 04:49:28,526 INFO L226 Difference]: Without dead ends: 21166 [2019-09-08 04:49:28,565 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=95, Invalid=411, Unknown=0, NotChecked=0, Total=506 [2019-09-08 04:49:28,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21166 states. [2019-09-08 04:49:30,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21166 to 20830. [2019-09-08 04:49:30,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20830 states. [2019-09-08 04:49:30,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20830 states to 20830 states and 28418 transitions. [2019-09-08 04:49:30,470 INFO L78 Accepts]: Start accepts. Automaton has 20830 states and 28418 transitions. Word has length 237 [2019-09-08 04:49:30,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 04:49:30,470 INFO L475 AbstractCegarLoop]: Abstraction has 20830 states and 28418 transitions. [2019-09-08 04:49:30,470 INFO L476 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-09-08 04:49:30,471 INFO L276 IsEmpty]: Start isEmpty. Operand 20830 states and 28418 transitions. [2019-09-08 04:49:30,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2019-09-08 04:49:30,497 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 04:49:30,497 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 04:49:30,498 INFO L418 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 04:49:30,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 04:49:30,498 INFO L82 PathProgramCache]: Analyzing trace with hash 1205601536, now seen corresponding path program 1 times [2019-09-08 04:49:30,498 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 04:49:30,498 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 04:49:30,500 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 04:49:30,500 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 04:49:30,500 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 04:49:30,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 04:49:31,001 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-09-08 04:49:31,001 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 04:49:31,001 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 04:49:31,013 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 04:49:31,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 04:49:31,378 INFO L256 TraceCheckSpWp]: Trace formula consists of 2547 conjuncts, 8 conjunts are in the unsatisfiable core [2019-09-08 04:49:31,386 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 04:49:31,665 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-09-08 04:49:31,671 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 04:49:31,672 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [29] total 36 [2019-09-08 04:49:31,673 INFO L454 AbstractCegarLoop]: Interpolant automaton has 36 states [2019-09-08 04:49:31,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2019-09-08 04:49:31,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=1180, Unknown=0, NotChecked=0, Total=1260 [2019-09-08 04:49:31,674 INFO L87 Difference]: Start difference. First operand 20830 states and 28418 transitions. Second operand 36 states. [2019-09-08 04:50:13,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 04:50:13,756 INFO L93 Difference]: Finished difference Result 224610 states and 323142 transitions. [2019-09-08 04:50:13,756 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2019-09-08 04:50:13,756 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 239 [2019-09-08 04:50:13,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 04:50:14,936 INFO L225 Difference]: With dead ends: 224610 [2019-09-08 04:50:14,936 INFO L226 Difference]: Without dead ends: 203768 [2019-09-08 04:50:15,105 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 440 GetRequests, 290 SyntacticMatches, 0 SemanticMatches, 150 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6816 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=1920, Invalid=21032, Unknown=0, NotChecked=0, Total=22952 [2019-09-08 04:50:15,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203768 states. [2019-09-08 04:50:26,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203768 to 144782. [2019-09-08 04:50:26,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144782 states. [2019-09-08 04:50:26,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144782 states to 144782 states and 205224 transitions. [2019-09-08 04:50:26,879 INFO L78 Accepts]: Start accepts. Automaton has 144782 states and 205224 transitions. Word has length 239 [2019-09-08 04:50:26,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 04:50:26,879 INFO L475 AbstractCegarLoop]: Abstraction has 144782 states and 205224 transitions. [2019-09-08 04:50:26,879 INFO L476 AbstractCegarLoop]: Interpolant automaton has 36 states. [2019-09-08 04:50:26,879 INFO L276 IsEmpty]: Start isEmpty. Operand 144782 states and 205224 transitions. [2019-09-08 04:50:27,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2019-09-08 04:50:27,015 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 04:50:27,015 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 04:50:27,016 INFO L418 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 04:50:27,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 04:50:27,016 INFO L82 PathProgramCache]: Analyzing trace with hash 1534194758, now seen corresponding path program 1 times [2019-09-08 04:50:27,016 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 04:50:27,016 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 04:50:27,018 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 04:50:27,018 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 04:50:27,018 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 04:50:27,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 04:50:27,539 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-09-08 04:50:27,539 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 04:50:27,539 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 04:50:27,552 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 04:50:27,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 04:50:27,897 INFO L256 TraceCheckSpWp]: Trace formula consists of 2548 conjuncts, 6 conjunts are in the unsatisfiable core [2019-09-08 04:50:27,907 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 04:50:28,159 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (6)] Exception during sending of exit command (exit): Broken pipe [2019-09-08 04:50:28,177 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 04:50:28,178 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [29] total 34 [2019-09-08 04:50:28,179 INFO L454 AbstractCegarLoop]: Interpolant automaton has 34 states [2019-09-08 04:50:28,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2019-09-08 04:50:28,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=1048, Unknown=0, NotChecked=0, Total=1122 [2019-09-08 04:50:28,180 INFO L87 Difference]: Start difference. First operand 144782 states and 205224 transitions. Second operand 34 states. [2019-09-08 04:51:34,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 04:51:34,144 INFO L93 Difference]: Finished difference Result 853119 states and 1242196 transitions. [2019-09-08 04:51:34,145 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2019-09-08 04:51:34,145 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 240 [2019-09-08 04:51:34,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 04:51:36,899 INFO L225 Difference]: With dead ends: 853119 [2019-09-08 04:51:36,899 INFO L226 Difference]: Without dead ends: 707830 [2019-09-08 04:51:37,321 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 447 GetRequests, 297 SyntacticMatches, 0 SemanticMatches, 150 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7026 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=1908, Invalid=21044, Unknown=0, NotChecked=0, Total=22952 [2019-09-08 04:51:37,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707830 states. [2019-09-08 04:52:20,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707830 to 543030. [2019-09-08 04:52:20,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 543030 states. [2019-09-08 04:52:23,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543030 states to 543030 states and 777971 transitions. [2019-09-08 04:52:23,243 INFO L78 Accepts]: Start accepts. Automaton has 543030 states and 777971 transitions. Word has length 240 [2019-09-08 04:52:23,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-08 04:52:23,244 INFO L475 AbstractCegarLoop]: Abstraction has 543030 states and 777971 transitions. [2019-09-08 04:52:23,244 INFO L476 AbstractCegarLoop]: Interpolant automaton has 34 states. [2019-09-08 04:52:23,244 INFO L276 IsEmpty]: Start isEmpty. Operand 543030 states and 777971 transitions. [2019-09-08 04:52:23,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2019-09-08 04:52:23,411 INFO L391 BasicCegarLoop]: Found error trace [2019-09-08 04:52:23,411 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-08 04:52:23,412 INFO L418 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-08 04:52:23,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-08 04:52:23,412 INFO L82 PathProgramCache]: Analyzing trace with hash 1801859554, now seen corresponding path program 1 times [2019-09-08 04:52:23,412 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-08 04:52:23,413 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-08 04:52:23,413 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 04:52:23,414 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 04:52:23,414 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-08 04:52:23,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 04:52:24,097 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 5 proven. 11 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-09-08 04:52:24,097 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-08 04:52:24,097 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-08 04:52:24,123 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-08 04:52:24,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-08 04:52:24,487 INFO L256 TraceCheckSpWp]: Trace formula consists of 2550 conjuncts, 6 conjunts are in the unsatisfiable core [2019-09-08 04:52:24,498 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-08 04:52:24,773 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-09-08 04:52:24,783 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-08 04:52:24,784 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [29] total 34 [2019-09-08 04:52:24,785 INFO L454 AbstractCegarLoop]: Interpolant automaton has 34 states [2019-09-08 04:52:24,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2019-09-08 04:52:24,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=1048, Unknown=0, NotChecked=0, Total=1122 [2019-09-08 04:52:24,788 INFO L87 Difference]: Start difference. First operand 543030 states and 777971 transitions. Second operand 34 states. [2019-09-08 04:55:09,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-08 04:55:09,023 INFO L93 Difference]: Finished difference Result 2484281 states and 3594007 transitions. [2019-09-08 04:55:09,023 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2019-09-08 04:55:09,023 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 242 [2019-09-08 04:55:09,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-08 04:55:18,010 INFO L225 Difference]: With dead ends: 2484281 [2019-09-08 04:55:18,011 INFO L226 Difference]: Without dead ends: 1939544 [2019-09-08 04:55:19,286 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 449 GetRequests, 299 SyntacticMatches, 0 SemanticMatches, 150 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7026 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=1908, Invalid=21044, Unknown=0, NotChecked=0, Total=22952 [2019-09-08 04:55:20,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1939544 states.