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 --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/product-lines/email_spec11_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:13:57,495 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:13:57,498 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:13:57,517 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:13:57,518 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:13:57,520 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:13:57,522 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:13:57,532 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:13:57,534 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:13:57,535 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:13:57,536 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:13:57,537 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:13:57,537 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:13:57,538 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:13:57,539 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:13:57,540 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:13:57,541 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:13:57,542 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:13:57,543 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:13:57,545 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:13:57,546 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:13:57,547 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:13:57,549 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:13:57,549 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:13:57,551 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:13:57,552 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:13:57,552 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:13:57,553 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:13:57,553 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:13:57,554 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:13:57,554 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:13:57,555 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:13:57,556 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:13:57,557 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:13:57,558 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:13:57,558 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:13:57,559 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:13:57,559 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:13:57,559 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:13:57,560 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:13:57,561 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:13:57,561 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-13 21:13:57,576 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:13:57,576 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:13:57,577 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:13:57,577 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:13:57,577 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:13:57,578 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:13:57,578 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:13:57,578 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:13:57,578 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:13:57,579 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:13:57,579 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:13:57,579 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:13:57,579 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:13:57,579 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:13:57,579 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:13:57,580 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:13:57,580 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:13:57,580 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:13:57,580 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:13:57,580 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:13:57,581 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:13:57,581 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:13:57,581 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:13:57,581 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:13:57,582 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:13:57,582 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:13:57,582 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:13:57,582 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:13:57,582 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-10-13 21:13:57,874 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:13:57,888 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:13:57,892 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:13:57,893 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:13:57,893 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:13:57,894 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec11_productSimulator.cil.c [2019-10-13 21:13:57,977 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c61485424/bdd84179f8af4ce196e420610f836aad/FLAG2a298b54a [2019-10-13 21:13:58,642 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:13:58,643 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec11_productSimulator.cil.c [2019-10-13 21:13:58,664 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c61485424/bdd84179f8af4ce196e420610f836aad/FLAG2a298b54a [2019-10-13 21:13:58,832 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c61485424/bdd84179f8af4ce196e420610f836aad [2019-10-13 21:13:58,842 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:13:58,843 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:13:58,844 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:13:58,844 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:13:58,849 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:13:58,850 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:13:58" (1/1) ... [2019-10-13 21:13:58,853 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46d15e00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:13:58, skipping insertion in model container [2019-10-13 21:13:58,854 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:13:58" (1/1) ... [2019-10-13 21:13:58,862 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:13:58,950 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:13:59,864 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:13:59,893 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:14:00,058 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:14:00,230 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:14:00,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:14:00 WrapperNode [2019-10-13 21:14:00,231 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:14:00,232 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:14:00,232 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:14:00,232 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:14:00,248 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:14:00" (1/1) ... [2019-10-13 21:14:00,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:14:00" (1/1) ... [2019-10-13 21:14:00,317 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:14:00" (1/1) ... [2019-10-13 21:14:00,318 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:14:00" (1/1) ... [2019-10-13 21:14:00,394 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:14:00" (1/1) ... [2019-10-13 21:14:00,425 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:14:00" (1/1) ... [2019-10-13 21:14:00,445 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:14:00" (1/1) ... [2019-10-13 21:14:00,467 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:14:00,468 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:14:00,468 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:14:00,468 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:14:00,470 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:14:00" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:14:00,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:14:00,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:14:00,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 21:14:00,555 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 21:14:00,555 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 21:14:00,556 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 21:14:00,556 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 21:14:00,557 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-13 21:14:00,557 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Encrypt [2019-10-13 21:14:00,558 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Encrypt [2019-10-13 21:14:00,558 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__AddressBook [2019-10-13 21:14:00,558 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__AddressBook [2019-10-13 21:14:00,558 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Sign [2019-10-13 21:14:00,559 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Sign [2019-10-13 21:14:00,559 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-13 21:14:00,560 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-13 21:14:00,562 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__AutoResponder [2019-10-13 21:14:00,562 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__AutoResponder [2019-10-13 21:14:00,562 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Forward [2019-10-13 21:14:00,563 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Forward [2019-10-13 21:14:00,564 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Verify [2019-10-13 21:14:00,564 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Verify [2019-10-13 21:14:00,564 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Decrypt [2019-10-13 21:14:00,564 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Decrypt [2019-10-13 21:14:00,565 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-13 21:14:00,565 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-13 21:14:00,566 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-13 21:14:00,566 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-13 21:14:00,567 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-13 21:14:00,588 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-13 21:14:00,588 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-13 21:14:00,588 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-13 21:14:00,588 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-13 21:14:00,589 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-13 21:14:00,589 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-13 21:14:00,589 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-13 21:14:00,590 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-13 21:14:00,590 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-13 21:14:00,590 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__before__Keys [2019-10-13 21:14:00,590 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__role__Keys [2019-10-13 21:14:00,590 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-13 21:14:00,590 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__before__Keys [2019-10-13 21:14:00,591 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__role__Keys [2019-10-13 21:14:00,591 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-13 21:14:00,591 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__before__Keys [2019-10-13 21:14:00,591 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__role__Keys [2019-10-13 21:14:00,591 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-13 21:14:00,591 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-13 21:14:00,592 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-13 21:14:00,592 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 21:14:00,592 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:14:00,592 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-13 21:14:00,592 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-13 21:14:00,592 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-13 21:14:00,592 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-13 21:14:00,593 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-13 21:14:00,593 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-13 21:14:00,593 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-13 21:14:00,593 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-13 21:14:00,593 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-13 21:14:00,593 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-13 21:14:00,593 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-13 21:14:00,594 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-13 21:14:00,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 21:14:00,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 21:14:00,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 21:14:00,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 21:14:00,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 21:14:00,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 21:14:00,595 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Encrypt [2019-10-13 21:14:00,595 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Encrypt [2019-10-13 21:14:00,596 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Sign [2019-10-13 21:14:00,596 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Sign [2019-10-13 21:14:00,597 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Verify [2019-10-13 21:14:00,597 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Verify [2019-10-13 21:14:00,597 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-13 21:14:00,597 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__before__Encrypt [2019-10-13 21:14:00,597 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__role__Encrypt [2019-10-13 21:14:00,597 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-13 21:14:00,598 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-13 21:14:00,598 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-13 21:14:00,598 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-13 21:14:00,598 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-13 21:14:00,599 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-13 21:14:00,599 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-13 21:14:00,600 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-13 21:14:00,600 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-13 21:14:00,601 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-13 21:14:00,601 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-13 21:14:00,601 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-13 21:14:00,601 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-13 21:14:00,601 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-13 21:14:00,602 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-13 21:14:00,602 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-13 21:14:00,602 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-13 21:14:00,602 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-13 21:14:00,602 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-13 21:14:00,602 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-13 21:14:00,602 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-13 21:14:00,603 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-13 21:14:00,603 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-13 21:14:00,603 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-13 21:14:00,603 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-13 21:14:00,603 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 21:14:00,603 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 21:14:00,603 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-13 21:14:00,604 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-13 21:14:00,604 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-13 21:14:00,604 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-13 21:14:00,604 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-13 21:14:00,604 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-13 21:14:00,604 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-13 21:14:00,605 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-13 21:14:00,605 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-13 21:14:00,605 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-13 21:14:00,605 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-13 21:14:00,605 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-13 21:14:00,606 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-13 21:14:00,606 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-13 21:14:00,606 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-13 21:14:00,607 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-13 21:14:00,607 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-13 21:14:00,607 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-13 21:14:00,607 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-13 21:14:00,608 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-13 21:14:00,608 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-13 21:14:00,609 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-13 21:14:00,609 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-13 21:14:00,609 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-13 21:14:00,609 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-13 21:14:00,609 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-13 21:14:00,610 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-13 21:14:00,610 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-13 21:14:00,610 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-13 21:14:00,610 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-10-13 21:14:00,611 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:14:00,611 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:14:00,614 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 21:14:00,614 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 21:14:00,615 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 21:14:00,615 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 21:14:00,615 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 21:14:00,616 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-13 21:14:00,616 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-13 21:14:00,622 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-13 21:14:00,623 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-13 21:14:00,623 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-13 21:14:00,623 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-13 21:14:00,623 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-13 21:14:00,624 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-13 21:14:00,624 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-13 21:14:00,625 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-13 21:14:00,625 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-13 21:14:00,625 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-13 21:14:00,625 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-13 21:14:00,625 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-13 21:14:00,625 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-13 21:14:00,626 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-13 21:14:00,626 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-13 21:14:00,626 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-13 21:14:00,626 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-13 21:14:00,626 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-13 21:14:00,626 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-13 21:14:00,626 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-13 21:14:00,626 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-13 21:14:00,627 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-13 21:14:00,627 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-13 21:14:00,627 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-13 21:14:00,627 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-13 21:14:00,627 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-13 21:14:00,627 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-13 21:14:00,627 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-13 21:14:00,628 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-13 21:14:00,628 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-13 21:14:00,628 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-13 21:14:00,628 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-13 21:14:00,628 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-13 21:14:00,628 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-13 21:14:00,628 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-13 21:14:00,629 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-13 21:14:00,629 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-13 21:14:00,629 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-13 21:14:00,629 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-13 21:14:00,629 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-13 21:14:00,629 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-13 21:14:00,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:14:00,630 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Encrypt [2019-10-13 21:14:00,630 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Encrypt [2019-10-13 21:14:00,630 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__AddressBook [2019-10-13 21:14:00,630 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__AddressBook [2019-10-13 21:14:00,630 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Sign [2019-10-13 21:14:00,630 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Sign [2019-10-13 21:14:00,630 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__AutoResponder [2019-10-13 21:14:00,631 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__AutoResponder [2019-10-13 21:14:00,631 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Forward [2019-10-13 21:14:00,631 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Forward [2019-10-13 21:14:00,631 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Verify [2019-10-13 21:14:00,631 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Verify [2019-10-13 21:14:00,631 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Decrypt [2019-10-13 21:14:00,632 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Decrypt [2019-10-13 21:14:00,632 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-10-13 21:14:00,632 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-13 21:14:00,632 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-13 21:14:00,632 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-13 21:14:00,632 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-13 21:14:00,632 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-13 21:14:00,633 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-13 21:14:00,633 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-13 21:14:00,633 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-13 21:14:00,633 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-13 21:14:00,633 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-13 21:14:00,633 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-13 21:14:00,633 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-13 21:14:00,634 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-13 21:14:00,634 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-13 21:14:00,634 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-13 21:14:00,634 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-13 21:14:00,634 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 21:14:00,634 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 21:14:00,634 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:14:00,634 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-13 21:14:00,635 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-13 21:14:00,635 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-13 21:14:00,635 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-13 21:14:00,635 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-13 21:14:00,635 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-13 21:14:00,635 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-13 21:14:00,635 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-13 21:14:00,635 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-13 21:14:00,636 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-13 21:14:00,636 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-13 21:14:00,636 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-13 21:14:00,636 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__before__Keys [2019-10-13 21:14:00,636 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__role__Keys [2019-10-13 21:14:00,636 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__before__Keys [2019-10-13 21:14:00,636 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__role__Keys [2019-10-13 21:14:00,637 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__before__Keys [2019-10-13 21:14:00,637 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__role__Keys [2019-10-13 21:14:00,637 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 21:14:00,637 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:14:00,637 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 21:14:00,637 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 21:14:00,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:14:00,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 21:14:00,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:14:00,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 21:14:00,638 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 21:14:00,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:14:00,638 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 21:14:00,638 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 21:14:00,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:14:00,638 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 21:14:00,639 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 21:14:00,639 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 21:14:00,639 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-13 21:14:00,639 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-13 21:14:00,639 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-13 21:14:00,639 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Encrypt [2019-10-13 21:14:00,639 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Encrypt [2019-10-13 21:14:00,639 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Sign [2019-10-13 21:14:00,640 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Sign [2019-10-13 21:14:00,640 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Verify [2019-10-13 21:14:00,640 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Verify [2019-10-13 21:14:00,641 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__before__Encrypt [2019-10-13 21:14:00,645 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__role__Encrypt [2019-10-13 21:14:00,645 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-13 21:14:00,645 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-13 21:14:00,645 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-13 21:14:00,645 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-13 21:14:00,645 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-13 21:14:00,645 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-13 21:14:00,646 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-13 21:14:00,648 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 21:14:00,648 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-13 21:14:00,648 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-13 21:14:00,648 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-13 21:14:00,649 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-13 21:14:00,649 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-13 21:14:00,649 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-13 21:14:00,649 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-13 21:14:00,649 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-13 21:14:00,649 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-13 21:14:00,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:14:00,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 21:14:00,649 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:14:03,132 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:14:03,133 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-13 21:14:03,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:14:03 BoogieIcfgContainer [2019-10-13 21:14:03,135 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:14:03,136 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:14:03,136 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:14:03,140 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:14:03,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:13:58" (1/3) ... [2019-10-13 21:14:03,141 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4824936d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:14:03, skipping insertion in model container [2019-10-13 21:14:03,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:14:00" (2/3) ... [2019-10-13 21:14:03,142 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4824936d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:14:03, skipping insertion in model container [2019-10-13 21:14:03,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:14:03" (3/3) ... [2019-10-13 21:14:03,144 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec11_productSimulator.cil.c [2019-10-13 21:14:03,155 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:14:03,167 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:14:03,181 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:14:03,220 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:14:03,220 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:14:03,220 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:14:03,220 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:14:03,220 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:14:03,220 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:14:03,221 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:14:03,221 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:14:03,273 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states. [2019-10-13 21:14:03,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2019-10-13 21:14:03,311 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:14:03,313 INFO L380 BasicCegarLoop]: trace histogram [8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:14:03,316 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:14:03,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:14:03,323 INFO L82 PathProgramCache]: Analyzing trace with hash 557797844, now seen corresponding path program 1 times [2019-10-13 21:14:03,333 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:14:03,333 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759408141] [2019-10-13 21:14:03,334 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:14:03,334 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:14:03,334 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:14:03,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:14:04,193 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2019-10-13 21:14:04,194 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759408141] [2019-10-13 21:14:04,195 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:14:04,195 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:14:04,196 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297995124] [2019-10-13 21:14:04,203 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:14:04,205 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:14:04,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:14:04,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:14:04,224 INFO L87 Difference]: Start difference. First operand 811 states. Second operand 6 states. [2019-10-13 21:14:04,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:14:04,468 INFO L93 Difference]: Finished difference Result 1540 states and 2139 transitions. [2019-10-13 21:14:04,468 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:14:04,470 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 218 [2019-10-13 21:14:04,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:14:04,500 INFO L225 Difference]: With dead ends: 1540 [2019-10-13 21:14:04,500 INFO L226 Difference]: Without dead ends: 782 [2019-10-13 21:14:04,512 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:14:04,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 782 states. [2019-10-13 21:14:04,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 782 to 782. [2019-10-13 21:14:04,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 782 states. [2019-10-13 21:14:04,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 782 states and 1064 transitions. [2019-10-13 21:14:04,626 INFO L78 Accepts]: Start accepts. Automaton has 782 states and 1064 transitions. Word has length 218 [2019-10-13 21:14:04,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:14:04,629 INFO L462 AbstractCegarLoop]: Abstraction has 782 states and 1064 transitions. [2019-10-13 21:14:04,629 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:14:04,629 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 1064 transitions. [2019-10-13 21:14:04,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2019-10-13 21:14:04,637 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:14:04,637 INFO L380 BasicCegarLoop]: trace histogram [8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:14:04,637 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:14:04,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:14:04,638 INFO L82 PathProgramCache]: Analyzing trace with hash 1306979573, now seen corresponding path program 1 times [2019-10-13 21:14:04,638 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:14:04,638 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296584290] [2019-10-13 21:14:04,639 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:14:04,639 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:14:04,639 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:14:04,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:14:04,957 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2019-10-13 21:14:04,958 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296584290] [2019-10-13 21:14:04,958 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:14:04,958 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:14:04,959 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604271849] [2019-10-13 21:14:04,961 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:14:04,961 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:14:04,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:14:04,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:14:04,962 INFO L87 Difference]: Start difference. First operand 782 states and 1064 transitions. Second operand 3 states. [2019-10-13 21:14:05,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:14:05,026 INFO L93 Difference]: Finished difference Result 1217 states and 1629 transitions. [2019-10-13 21:14:05,027 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:14:05,027 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 224 [2019-10-13 21:14:05,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:14:05,045 INFO L225 Difference]: With dead ends: 1217 [2019-10-13 21:14:05,045 INFO L226 Difference]: Without dead ends: 785 [2019-10-13 21:14:05,049 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:14:05,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 785 states. [2019-10-13 21:14:05,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 785 to 784. [2019-10-13 21:14:05,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 784 states. [2019-10-13 21:14:05,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 784 states and 1066 transitions. [2019-10-13 21:14:05,135 INFO L78 Accepts]: Start accepts. Automaton has 784 states and 1066 transitions. Word has length 224 [2019-10-13 21:14:05,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:14:05,137 INFO L462 AbstractCegarLoop]: Abstraction has 784 states and 1066 transitions. [2019-10-13 21:14:05,137 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:14:05,138 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 1066 transitions. [2019-10-13 21:14:05,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2019-10-13 21:14:05,152 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:14:05,153 INFO L380 BasicCegarLoop]: trace histogram [8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:14:05,153 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:14:05,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:14:05,156 INFO L82 PathProgramCache]: Analyzing trace with hash -687172968, now seen corresponding path program 1 times [2019-10-13 21:14:05,156 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:14:05,156 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532279138] [2019-10-13 21:14:05,156 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:14:05,157 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:14:05,157 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:14:05,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:14:05,805 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2019-10-13 21:14:05,806 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532279138] [2019-10-13 21:14:05,806 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:14:05,806 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:14:05,807 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131491323] [2019-10-13 21:14:05,809 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:14:05,809 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:14:05,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:14:05,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:14:05,810 INFO L87 Difference]: Start difference. First operand 784 states and 1066 transitions. Second operand 6 states. [2019-10-13 21:14:06,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:14:06,773 INFO L93 Difference]: Finished difference Result 1880 states and 2570 transitions. [2019-10-13 21:14:06,773 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:14:06,773 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 231 [2019-10-13 21:14:06,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:14:06,783 INFO L225 Difference]: With dead ends: 1880 [2019-10-13 21:14:06,783 INFO L226 Difference]: Without dead ends: 1461 [2019-10-13 21:14:06,785 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-13 21:14:06,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1461 states. [2019-10-13 21:14:06,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1461 to 1452. [2019-10-13 21:14:06,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1452 states. [2019-10-13 21:14:06,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1452 states to 1452 states and 1992 transitions. [2019-10-13 21:14:06,860 INFO L78 Accepts]: Start accepts. Automaton has 1452 states and 1992 transitions. Word has length 231 [2019-10-13 21:14:06,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:14:06,861 INFO L462 AbstractCegarLoop]: Abstraction has 1452 states and 1992 transitions. [2019-10-13 21:14:06,862 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:14:06,862 INFO L276 IsEmpty]: Start isEmpty. Operand 1452 states and 1992 transitions. [2019-10-13 21:14:06,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2019-10-13 21:14:06,868 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:14:06,869 INFO L380 BasicCegarLoop]: trace histogram [8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:14:06,869 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:14:06,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:14:06,870 INFO L82 PathProgramCache]: Analyzing trace with hash 1966455232, now seen corresponding path program 1 times [2019-10-13 21:14:06,870 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:14:06,870 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856698308] [2019-10-13 21:14:06,870 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:14:06,870 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:14:06,871 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:14:06,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:14:07,102 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2019-10-13 21:14:07,103 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856698308] [2019-10-13 21:14:07,103 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:14:07,104 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:14:07,104 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198084487] [2019-10-13 21:14:07,105 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:14:07,105 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:14:07,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:14:07,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:14:07,106 INFO L87 Difference]: Start difference. First operand 1452 states and 1992 transitions. Second operand 6 states. [2019-10-13 21:14:08,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:14:08,143 INFO L93 Difference]: Finished difference Result 3646 states and 5006 transitions. [2019-10-13 21:14:08,144 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:14:08,144 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 232 [2019-10-13 21:14:08,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:14:08,161 INFO L225 Difference]: With dead ends: 3646 [2019-10-13 21:14:08,161 INFO L226 Difference]: Without dead ends: 2807 [2019-10-13 21:14:08,165 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-13 21:14:08,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2807 states. [2019-10-13 21:14:08,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2807 to 2788. [2019-10-13 21:14:08,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2788 states. [2019-10-13 21:14:08,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2788 states to 2788 states and 3846 transitions. [2019-10-13 21:14:08,292 INFO L78 Accepts]: Start accepts. Automaton has 2788 states and 3846 transitions. Word has length 232 [2019-10-13 21:14:08,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:14:08,293 INFO L462 AbstractCegarLoop]: Abstraction has 2788 states and 3846 transitions. [2019-10-13 21:14:08,293 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:14:08,293 INFO L276 IsEmpty]: Start isEmpty. Operand 2788 states and 3846 transitions. [2019-10-13 21:14:08,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2019-10-13 21:14:08,303 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:14:08,304 INFO L380 BasicCegarLoop]: trace histogram [8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:14:08,304 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:14:08,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:14:08,305 INFO L82 PathProgramCache]: Analyzing trace with hash -1625151980, now seen corresponding path program 1 times [2019-10-13 21:14:08,305 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:14:08,305 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291340943] [2019-10-13 21:14:08,305 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:14:08,306 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:14:08,306 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:14:08,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:14:08,593 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2019-10-13 21:14:08,593 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291340943] [2019-10-13 21:14:08,593 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:14:08,594 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:14:08,594 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356120983] [2019-10-13 21:14:08,595 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:14:08,595 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:14:08,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:14:08,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:14:08,596 INFO L87 Difference]: Start difference. First operand 2788 states and 3846 transitions. Second operand 6 states. [2019-10-13 21:14:09,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:14:09,542 INFO L93 Difference]: Finished difference Result 7178 states and 9882 transitions. [2019-10-13 21:14:09,543 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:14:09,543 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 233 [2019-10-13 21:14:09,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:14:09,577 INFO L225 Difference]: With dead ends: 7178 [2019-10-13 21:14:09,577 INFO L226 Difference]: Without dead ends: 5499 [2019-10-13 21:14:09,586 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-13 21:14:09,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5499 states. [2019-10-13 21:14:09,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5499 to 5460. [2019-10-13 21:14:09,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5460 states. [2019-10-13 21:14:09,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5460 states to 5460 states and 7558 transitions. [2019-10-13 21:14:09,877 INFO L78 Accepts]: Start accepts. Automaton has 5460 states and 7558 transitions. Word has length 233 [2019-10-13 21:14:09,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:14:09,878 INFO L462 AbstractCegarLoop]: Abstraction has 5460 states and 7558 transitions. [2019-10-13 21:14:09,879 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:14:09,879 INFO L276 IsEmpty]: Start isEmpty. Operand 5460 states and 7558 transitions. [2019-10-13 21:14:09,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2019-10-13 21:14:09,897 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:14:09,898 INFO L380 BasicCegarLoop]: trace histogram [8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:14:09,898 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:14:09,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:14:09,898 INFO L82 PathProgramCache]: Analyzing trace with hash -1613835853, now seen corresponding path program 1 times [2019-10-13 21:14:09,899 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:14:09,899 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426448816] [2019-10-13 21:14:09,899 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:14:09,899 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:14:09,900 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:14:10,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:14:10,243 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2019-10-13 21:14:10,244 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426448816] [2019-10-13 21:14:10,245 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:14:10,245 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 21:14:10,246 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027743574] [2019-10-13 21:14:10,246 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 21:14:10,247 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:14:10,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 21:14:10,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:14:10,248 INFO L87 Difference]: Start difference. First operand 5460 states and 7558 transitions. Second operand 4 states. [2019-10-13 21:14:11,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:14:11,778 INFO L93 Difference]: Finished difference Result 16028 states and 22808 transitions. [2019-10-13 21:14:11,779 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 21:14:11,779 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 233 [2019-10-13 21:14:11,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:14:11,840 INFO L225 Difference]: With dead ends: 16028 [2019-10-13 21:14:11,841 INFO L226 Difference]: Without dead ends: 10605 [2019-10-13 21:14:11,865 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:14:11,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10605 states. [2019-10-13 21:14:12,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10605 to 10602. [2019-10-13 21:14:12,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10602 states. [2019-10-13 21:14:12,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10602 states to 10602 states and 14619 transitions. [2019-10-13 21:14:12,323 INFO L78 Accepts]: Start accepts. Automaton has 10602 states and 14619 transitions. Word has length 233 [2019-10-13 21:14:12,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:14:12,326 INFO L462 AbstractCegarLoop]: Abstraction has 10602 states and 14619 transitions. [2019-10-13 21:14:12,326 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 21:14:12,326 INFO L276 IsEmpty]: Start isEmpty. Operand 10602 states and 14619 transitions. [2019-10-13 21:14:12,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2019-10-13 21:14:12,361 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:14:12,361 INFO L380 BasicCegarLoop]: trace histogram [8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:14:12,362 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:14:12,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:14:12,362 INFO L82 PathProgramCache]: Analyzing trace with hash -1490798491, now seen corresponding path program 1 times [2019-10-13 21:14:12,362 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:14:12,363 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499774600] [2019-10-13 21:14:12,363 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:14:12,363 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:14:12,363 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:14:12,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:14:12,655 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2019-10-13 21:14:12,655 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499774600] [2019-10-13 21:14:12,656 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:14:12,656 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-10-13 21:14:12,656 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592940161] [2019-10-13 21:14:12,657 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-13 21:14:12,657 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:14:12,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-13 21:14:12,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2019-10-13 21:14:12,658 INFO L87 Difference]: Start difference. First operand 10602 states and 14619 transitions. Second operand 11 states. [2019-10-13 21:14:12,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:14:12,955 INFO L93 Difference]: Finished difference Result 10605 states and 14621 transitions. [2019-10-13 21:14:12,955 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-13 21:14:12,955 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 226 [2019-10-13 21:14:12,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:14:12,989 INFO L225 Difference]: With dead ends: 10605 [2019-10-13 21:14:12,989 INFO L226 Difference]: Without dead ends: 5431 [2019-10-13 21:14:13,005 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2019-10-13 21:14:13,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5431 states. [2019-10-13 21:14:13,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5431 to 5431. [2019-10-13 21:14:13,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5431 states. [2019-10-13 21:14:13,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5431 states to 5431 states and 7478 transitions. [2019-10-13 21:14:13,217 INFO L78 Accepts]: Start accepts. Automaton has 5431 states and 7478 transitions. Word has length 226 [2019-10-13 21:14:13,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:14:13,217 INFO L462 AbstractCegarLoop]: Abstraction has 5431 states and 7478 transitions. [2019-10-13 21:14:13,218 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-13 21:14:13,218 INFO L276 IsEmpty]: Start isEmpty. Operand 5431 states and 7478 transitions. [2019-10-13 21:14:13,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2019-10-13 21:14:13,235 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:14:13,235 INFO L380 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1] [2019-10-13 21:14:13,235 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:14:13,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:14:13,236 INFO L82 PathProgramCache]: Analyzing trace with hash 1852933994, now seen corresponding path program 1 times [2019-10-13 21:14:13,236 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:14:13,236 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905674224] [2019-10-13 21:14:13,237 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:14:13,237 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:14:13,237 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:14:13,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:14:13,404 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2019-10-13 21:14:13,405 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905674224] [2019-10-13 21:14:13,405 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:14:13,405 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:14:13,405 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902953536] [2019-10-13 21:14:13,406 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:14:13,406 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:14:13,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:14:13,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:14:13,407 INFO L87 Difference]: Start difference. First operand 5431 states and 7478 transitions. Second operand 3 states. [2019-10-13 21:14:13,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:14:13,680 INFO L93 Difference]: Finished difference Result 10813 states and 15004 transitions. [2019-10-13 21:14:13,680 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:14:13,680 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 251 [2019-10-13 21:14:13,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:14:13,707 INFO L225 Difference]: With dead ends: 10813 [2019-10-13 21:14:13,707 INFO L226 Difference]: Without dead ends: 5423 [2019-10-13 21:14:13,723 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:14:13,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5423 states. [2019-10-13 21:14:13,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5423 to 5423. [2019-10-13 21:14:13,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5423 states. [2019-10-13 21:14:13,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5423 states to 5423 states and 7453 transitions. [2019-10-13 21:14:13,987 INFO L78 Accepts]: Start accepts. Automaton has 5423 states and 7453 transitions. Word has length 251 [2019-10-13 21:14:13,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:14:13,988 INFO L462 AbstractCegarLoop]: Abstraction has 5423 states and 7453 transitions. [2019-10-13 21:14:13,988 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:14:13,988 INFO L276 IsEmpty]: Start isEmpty. Operand 5423 states and 7453 transitions. [2019-10-13 21:14:14,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2019-10-13 21:14:14,005 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:14:14,005 INFO L380 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:14:14,006 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:14:14,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:14:14,006 INFO L82 PathProgramCache]: Analyzing trace with hash -1057348410, now seen corresponding path program 1 times [2019-10-13 21:14:14,007 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:14:14,007 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053993287] [2019-10-13 21:14:14,007 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:14:14,007 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:14:14,007 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:14:14,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:14:14,175 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2019-10-13 21:14:14,175 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053993287] [2019-10-13 21:14:14,176 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:14:14,176 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 21:14:14,177 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813847237] [2019-10-13 21:14:14,178 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 21:14:14,178 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:14:14,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 21:14:14,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:14:14,179 INFO L87 Difference]: Start difference. First operand 5423 states and 7453 transitions. Second operand 4 states. [2019-10-13 21:14:14,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:14:14,945 INFO L93 Difference]: Finished difference Result 10780 states and 14826 transitions. [2019-10-13 21:14:14,946 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 21:14:14,946 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 261 [2019-10-13 21:14:14,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:14:14,982 INFO L225 Difference]: With dead ends: 10780 [2019-10-13 21:14:14,982 INFO L226 Difference]: Without dead ends: 5423 [2019-10-13 21:14:14,997 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:14:15,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5423 states. [2019-10-13 21:14:15,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5423 to 5423. [2019-10-13 21:14:15,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5423 states. [2019-10-13 21:14:15,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5423 states to 5423 states and 7382 transitions. [2019-10-13 21:14:15,203 INFO L78 Accepts]: Start accepts. Automaton has 5423 states and 7382 transitions. Word has length 261 [2019-10-13 21:14:15,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:14:15,204 INFO L462 AbstractCegarLoop]: Abstraction has 5423 states and 7382 transitions. [2019-10-13 21:14:15,205 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 21:14:15,205 INFO L276 IsEmpty]: Start isEmpty. Operand 5423 states and 7382 transitions. [2019-10-13 21:14:15,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2019-10-13 21:14:15,223 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:14:15,223 INFO L380 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:14:15,224 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:14:15,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:14:15,224 INFO L82 PathProgramCache]: Analyzing trace with hash -456151255, now seen corresponding path program 1 times [2019-10-13 21:14:15,224 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:14:15,225 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941507480] [2019-10-13 21:14:15,225 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:14:15,225 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:14:15,225 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:14:15,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:14:15,503 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2019-10-13 21:14:15,504 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941507480] [2019-10-13 21:14:15,504 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:14:15,504 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:14:15,505 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623642939] [2019-10-13 21:14:15,505 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:14:15,506 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:14:15,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:14:15,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:14:15,506 INFO L87 Difference]: Start difference. First operand 5423 states and 7382 transitions. Second operand 3 states. [2019-10-13 21:14:15,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:14:15,662 INFO L93 Difference]: Finished difference Result 11166 states and 15360 transitions. [2019-10-13 21:14:15,663 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:14:15,663 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 289 [2019-10-13 21:14:15,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:14:15,686 INFO L225 Difference]: With dead ends: 11166 [2019-10-13 21:14:15,686 INFO L226 Difference]: Without dead ends: 5863 [2019-10-13 21:14:15,701 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:14:15,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5863 states. [2019-10-13 21:14:15,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5863 to 5855. [2019-10-13 21:14:15,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5855 states. [2019-10-13 21:14:15,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5855 states to 5855 states and 8098 transitions. [2019-10-13 21:14:15,907 INFO L78 Accepts]: Start accepts. Automaton has 5855 states and 8098 transitions. Word has length 289 [2019-10-13 21:14:15,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:14:15,907 INFO L462 AbstractCegarLoop]: Abstraction has 5855 states and 8098 transitions. [2019-10-13 21:14:15,907 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:14:15,908 INFO L276 IsEmpty]: Start isEmpty. Operand 5855 states and 8098 transitions. [2019-10-13 21:14:15,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2019-10-13 21:14:15,930 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:14:15,930 INFO L380 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:14:15,930 INFO L410 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:14:15,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:14:15,931 INFO L82 PathProgramCache]: Analyzing trace with hash -300635247, now seen corresponding path program 1 times [2019-10-13 21:14:15,931 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:14:15,931 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060988531] [2019-10-13 21:14:15,932 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:14:15,932 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:14:15,932 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:14:15,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:14:16,129 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2019-10-13 21:14:16,129 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060988531] [2019-10-13 21:14:16,130 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:14:16,130 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 21:14:16,130 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273853677] [2019-10-13 21:14:16,131 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 21:14:16,131 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:14:16,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 21:14:16,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:14:16,131 INFO L87 Difference]: Start difference. First operand 5855 states and 8098 transitions. Second operand 8 states. [2019-10-13 21:14:17,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:14:17,684 INFO L93 Difference]: Finished difference Result 11582 states and 16220 transitions. [2019-10-13 21:14:17,684 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 21:14:17,684 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 290 [2019-10-13 21:14:17,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:14:17,706 INFO L225 Difference]: With dead ends: 11582 [2019-10-13 21:14:17,706 INFO L226 Difference]: Without dead ends: 5847 [2019-10-13 21:14:17,723 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2019-10-13 21:14:17,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5847 states. [2019-10-13 21:14:17,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5847 to 5847. [2019-10-13 21:14:17,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5847 states. [2019-10-13 21:14:17,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5847 states to 5847 states and 8058 transitions. [2019-10-13 21:14:17,954 INFO L78 Accepts]: Start accepts. Automaton has 5847 states and 8058 transitions. Word has length 290 [2019-10-13 21:14:17,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:14:17,955 INFO L462 AbstractCegarLoop]: Abstraction has 5847 states and 8058 transitions. [2019-10-13 21:14:17,955 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 21:14:17,955 INFO L276 IsEmpty]: Start isEmpty. Operand 5847 states and 8058 transitions. [2019-10-13 21:14:17,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2019-10-13 21:14:17,974 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:14:17,975 INFO L380 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:14:17,975 INFO L410 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:14:17,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:14:17,975 INFO L82 PathProgramCache]: Analyzing trace with hash 908844211, now seen corresponding path program 1 times [2019-10-13 21:14:17,976 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:14:17,976 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364982830] [2019-10-13 21:14:17,976 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:14:17,976 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:14:17,976 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:14:18,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:14:18,392 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2019-10-13 21:14:18,392 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364982830] [2019-10-13 21:14:18,392 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:14:18,393 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2019-10-13 21:14:18,393 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761283180] [2019-10-13 21:14:18,394 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2019-10-13 21:14:18,394 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:14:18,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2019-10-13 21:14:18,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=414, Unknown=0, NotChecked=0, Total=462 [2019-10-13 21:14:18,395 INFO L87 Difference]: Start difference. First operand 5847 states and 8058 transitions. Second operand 22 states. [2019-10-13 21:14:25,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:14:25,204 INFO L93 Difference]: Finished difference Result 22403 states and 31038 transitions. [2019-10-13 21:14:25,204 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2019-10-13 21:14:25,205 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 296 [2019-10-13 21:14:25,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:14:25,288 INFO L225 Difference]: With dead ends: 22403 [2019-10-13 21:14:25,288 INFO L226 Difference]: Without dead ends: 19092 [2019-10-13 21:14:25,305 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 998 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=345, Invalid=3815, Unknown=0, NotChecked=0, Total=4160 [2019-10-13 21:14:25,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19092 states. [2019-10-13 21:14:26,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19092 to 18859. [2019-10-13 21:14:26,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18859 states. [2019-10-13 21:14:26,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18859 states to 18859 states and 26074 transitions. [2019-10-13 21:14:26,300 INFO L78 Accepts]: Start accepts. Automaton has 18859 states and 26074 transitions. Word has length 296 [2019-10-13 21:14:26,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:14:26,301 INFO L462 AbstractCegarLoop]: Abstraction has 18859 states and 26074 transitions. [2019-10-13 21:14:26,301 INFO L463 AbstractCegarLoop]: Interpolant automaton has 22 states. [2019-10-13 21:14:26,301 INFO L276 IsEmpty]: Start isEmpty. Operand 18859 states and 26074 transitions. [2019-10-13 21:14:26,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2019-10-13 21:14:26,344 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:14:26,344 INFO L380 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:14:26,345 INFO L410 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:14:26,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:14:26,345 INFO L82 PathProgramCache]: Analyzing trace with hash -1608744116, now seen corresponding path program 1 times [2019-10-13 21:14:26,346 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:14:26,346 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096466159] [2019-10-13 21:14:26,346 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:14:26,346 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:14:26,347 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:14:27,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:14:27,312 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2019-10-13 21:14:27,313 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096466159] [2019-10-13 21:14:27,313 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:14:27,313 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2019-10-13 21:14:27,313 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403788539] [2019-10-13 21:14:27,314 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-10-13 21:14:27,314 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:14:27,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-10-13 21:14:27,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2019-10-13 21:14:27,315 INFO L87 Difference]: Start difference. First operand 18859 states and 26074 transitions. Second operand 15 states. [2019-10-13 21:14:28,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:14:28,225 INFO L93 Difference]: Finished difference Result 33662 states and 46140 transitions. [2019-10-13 21:14:28,226 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-13 21:14:28,226 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 297 [2019-10-13 21:14:28,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:14:28,313 INFO L225 Difference]: With dead ends: 33662 [2019-10-13 21:14:28,313 INFO L226 Difference]: Without dead ends: 19771 [2019-10-13 21:14:28,346 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=87, Invalid=615, Unknown=0, NotChecked=0, Total=702 [2019-10-13 21:14:28,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19771 states. [2019-10-13 21:14:29,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19771 to 19771. [2019-10-13 21:14:29,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19771 states. [2019-10-13 21:14:29,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19771 states to 19771 states and 27418 transitions. [2019-10-13 21:14:29,265 INFO L78 Accepts]: Start accepts. Automaton has 19771 states and 27418 transitions. Word has length 297 [2019-10-13 21:14:29,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:14:29,266 INFO L462 AbstractCegarLoop]: Abstraction has 19771 states and 27418 transitions. [2019-10-13 21:14:29,266 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-10-13 21:14:29,266 INFO L276 IsEmpty]: Start isEmpty. Operand 19771 states and 27418 transitions. [2019-10-13 21:14:29,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2019-10-13 21:14:29,294 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:14:29,295 INFO L380 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:14:29,295 INFO L410 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:14:29,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:14:29,295 INFO L82 PathProgramCache]: Analyzing trace with hash 1569999000, now seen corresponding path program 1 times [2019-10-13 21:14:29,295 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:14:29,296 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691890790] [2019-10-13 21:14:29,296 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:14:29,296 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:14:29,296 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:14:29,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:14:29,644 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2019-10-13 21:14:29,645 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691890790] [2019-10-13 21:14:29,645 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:14:29,645 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2019-10-13 21:14:29,645 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225709921] [2019-10-13 21:14:29,646 INFO L442 AbstractCegarLoop]: Interpolant automaton has 17 states [2019-10-13 21:14:29,646 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:14:29,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2019-10-13 21:14:29,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=239, Unknown=0, NotChecked=0, Total=272 [2019-10-13 21:14:29,647 INFO L87 Difference]: Start difference. First operand 19771 states and 27418 transitions. Second operand 17 states.