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_spec3_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:16:05,573 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:16:05,576 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:16:05,595 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:16:05,596 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:16:05,598 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:16:05,600 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:16:05,612 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:16:05,614 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:16:05,615 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:16:05,617 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:16:05,619 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:16:05,619 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:16:05,623 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:16:05,626 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:16:05,627 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:16:05,629 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:16:05,632 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:16:05,633 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:16:05,640 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:16:05,644 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:16:05,645 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:16:05,648 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:16:05,649 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:16:05,652 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:16:05,652 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:16:05,652 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:16:05,653 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:16:05,653 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:16:05,654 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:16:05,655 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:16:05,656 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:16:05,657 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:16:05,658 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:16:05,660 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:16:05,660 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:16:05,661 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:16:05,662 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:16:05,662 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:16:05,663 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:16:05,664 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:16:05,665 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 21:16:05,680 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:16:05,681 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:16:05,682 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:16:05,683 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:16:05,683 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:16:05,684 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:16:05,684 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:16:05,684 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:16:05,684 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:16:05,684 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:16:05,685 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:16:05,685 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:16:05,685 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:16:05,686 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:16:05,686 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:16:05,686 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:16:05,687 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:16:05,687 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:16:05,687 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:16:05,687 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:16:05,687 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:16:05,688 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:16:05,688 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:16:05,689 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:16:05,689 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:16:05,689 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:16:05,689 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:16:05,689 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:16:05,689 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 21:16:05,972 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:16:05,986 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:16:05,990 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:16:05,991 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:16:05,991 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:16:05,992 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec3_productSimulator.cil.c [2019-10-13 21:16:06,068 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1784397a/194943508fff47579411451bf4348225/FLAG273af75eb [2019-10-13 21:16:06,772 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:16:06,774 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec3_productSimulator.cil.c [2019-10-13 21:16:06,805 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1784397a/194943508fff47579411451bf4348225/FLAG273af75eb [2019-10-13 21:16:06,875 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1784397a/194943508fff47579411451bf4348225 [2019-10-13 21:16:06,886 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:16:06,888 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:16:06,889 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:16:06,889 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:16:06,893 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:16:06,894 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:16:06" (1/1) ... [2019-10-13 21:16:06,897 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@283534bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:16:06, skipping insertion in model container [2019-10-13 21:16:06,897 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:16:06" (1/1) ... [2019-10-13 21:16:06,905 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:16:06,994 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:16:07,684 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:16:07,707 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:16:07,869 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:16:08,027 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:16:08,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:16:08 WrapperNode [2019-10-13 21:16:08,028 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:16:08,029 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:16:08,029 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:16:08,029 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:16:08,044 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:16:08" (1/1) ... [2019-10-13 21:16:08,044 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:16:08" (1/1) ... [2019-10-13 21:16:08,121 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:16:08" (1/1) ... [2019-10-13 21:16:08,122 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:16:08" (1/1) ... [2019-10-13 21:16:08,200 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:16:08" (1/1) ... [2019-10-13 21:16:08,245 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:16:08" (1/1) ... [2019-10-13 21:16:08,259 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:16:08" (1/1) ... [2019-10-13 21:16:08,274 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:16:08,274 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:16:08,275 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:16:08,275 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:16:08,276 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:16:08" (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 21:16:08,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:16:08,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:16:08,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 21:16:08,336 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Encrypt [2019-10-13 21:16:08,337 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Encrypt [2019-10-13 21:16:08,337 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Sign [2019-10-13 21:16:08,337 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Sign [2019-10-13 21:16:08,337 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Verify [2019-10-13 21:16:08,337 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Verify [2019-10-13 21:16:08,338 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-13 21:16:08,338 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__before__Encrypt [2019-10-13 21:16:08,338 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__role__Encrypt [2019-10-13 21:16:08,338 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-13 21:16:08,339 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-13 21:16:08,339 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-13 21:16:08,339 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 21:16:08,358 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 21:16:08,358 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 21:16:08,358 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 21:16:08,358 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-13 21:16:08,358 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 21:16:08,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 21:16:08,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 21:16:08,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 21:16:08,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 21:16:08,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 21:16:08,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 21:16:08,364 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-13 21:16:08,364 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Encrypt [2019-10-13 21:16:08,364 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Encrypt [2019-10-13 21:16:08,365 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__AddressBook [2019-10-13 21:16:08,365 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__AddressBook [2019-10-13 21:16:08,365 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Sign [2019-10-13 21:16:08,365 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Sign [2019-10-13 21:16:08,365 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-13 21:16:08,366 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-13 21:16:08,366 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__AutoResponder [2019-10-13 21:16:08,366 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__AutoResponder [2019-10-13 21:16:08,366 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Forward [2019-10-13 21:16:08,367 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Forward [2019-10-13 21:16:08,367 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Verify [2019-10-13 21:16:08,367 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Verify [2019-10-13 21:16:08,367 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Decrypt [2019-10-13 21:16:08,367 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Decrypt [2019-10-13 21:16:08,367 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-13 21:16:08,367 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-13 21:16:08,368 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-13 21:16:08,368 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-13 21:16:08,368 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-13 21:16:08,368 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-13 21:16:08,368 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-13 21:16:08,368 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-13 21:16:08,368 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-13 21:16:08,369 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-13 21:16:08,369 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-13 21:16:08,369 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-13 21:16:08,369 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-13 21:16:08,369 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-13 21:16:08,369 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-13 21:16:08,370 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-13 21:16:08,370 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-13 21:16:08,370 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-13 21:16:08,370 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-13 21:16:08,371 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-13 21:16:08,371 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-13 21:16:08,371 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-13 21:16:08,371 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-13 21:16:08,371 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-13 21:16:08,372 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-13 21:16:08,372 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-13 21:16:08,372 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-13 21:16:08,372 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-13 21:16:08,372 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-13 21:16:08,373 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-13 21:16:08,373 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-13 21:16:08,373 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-13 21:16:08,374 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-13 21:16:08,374 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-13 21:16:08,374 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-13 21:16:08,375 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 21:16:08,375 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-13 21:16:08,375 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-13 21:16:08,375 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-13 21:16:08,376 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-13 21:16:08,377 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-13 21:16:08,378 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-13 21:16:08,378 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-13 21:16:08,379 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-13 21:16:08,379 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-13 21:16:08,379 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-13 21:16:08,379 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-13 21:16:08,379 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-13 21:16:08,379 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-13 21:16:08,380 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-13 21:16:08,380 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-13 21:16:08,380 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-13 21:16:08,380 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-13 21:16:08,380 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-13 21:16:08,380 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-13 21:16:08,380 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-13 21:16:08,381 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-13 21:16:08,381 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-13 21:16:08,381 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-13 21:16:08,381 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-13 21:16:08,381 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-13 21:16:08,381 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-13 21:16:08,381 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-13 21:16:08,382 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-13 21:16:08,382 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-13 21:16:08,382 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__before__Keys [2019-10-13 21:16:08,382 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__role__Keys [2019-10-13 21:16:08,382 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-13 21:16:08,382 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__before__Keys [2019-10-13 21:16:08,382 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__role__Keys [2019-10-13 21:16:08,383 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-13 21:16:08,383 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__before__Keys [2019-10-13 21:16:08,383 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__role__Keys [2019-10-13 21:16:08,383 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-13 21:16:08,383 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-13 21:16:08,384 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-13 21:16:08,384 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 21:16:08,384 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:16:08,384 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-13 21:16:08,385 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-13 21:16:08,385 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-13 21:16:08,386 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-13 21:16:08,386 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-13 21:16:08,386 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-13 21:16:08,386 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-13 21:16:08,386 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-13 21:16:08,386 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-13 21:16:08,387 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-13 21:16:08,387 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-13 21:16:08,387 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-13 21:16:08,387 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__1 [2019-10-13 21:16:08,388 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__2 [2019-10-13 21:16:08,389 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:16:08,392 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:16:08,392 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 21:16:08,393 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-13 21:16:08,393 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-13 21:16:08,393 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-13 21:16:08,394 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-13 21:16:08,394 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-13 21:16:08,401 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-13 21:16:08,401 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-13 21:16:08,401 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-13 21:16:08,401 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-13 21:16:08,401 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-13 21:16:08,402 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-13 21:16:08,402 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-13 21:16:08,402 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-13 21:16:08,402 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-13 21:16:08,402 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Encrypt [2019-10-13 21:16:08,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:16:08,402 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Encrypt [2019-10-13 21:16:08,402 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Sign [2019-10-13 21:16:08,403 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Sign [2019-10-13 21:16:08,403 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Verify [2019-10-13 21:16:08,403 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Verify [2019-10-13 21:16:08,403 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__before__Encrypt [2019-10-13 21:16:08,404 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__role__Encrypt [2019-10-13 21:16:08,404 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 21:16:08,404 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 21:16:08,404 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 21:16:08,405 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 21:16:08,405 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-13 21:16:08,405 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 21:16:08,405 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 21:16:08,405 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:16:08,405 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 21:16:08,405 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 21:16:08,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:16:08,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 21:16:08,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:16:08,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 21:16:08,406 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 21:16:08,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:16:08,406 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 21:16:08,407 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 21:16:08,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:16:08,407 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 21:16:08,407 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 21:16:08,407 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 21:16:08,407 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-13 21:16:08,407 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-13 21:16:08,408 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-13 21:16:08,408 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-13 21:16:08,408 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-13 21:16:08,408 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-13 21:16:08,408 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-13 21:16:08,408 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-13 21:16:08,408 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-13 21:16:08,409 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-13 21:16:08,409 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-13 21:16:08,409 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-13 21:16:08,409 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-13 21:16:08,409 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-13 21:16:08,409 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-13 21:16:08,409 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-13 21:16:08,409 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-13 21:16:08,410 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-13 21:16:08,410 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-13 21:16:08,410 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-13 21:16:08,410 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-13 21:16:08,410 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-13 21:16:08,410 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-13 21:16:08,410 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-13 21:16:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-13 21:16:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-13 21:16:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-13 21:16:08,413 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-13 21:16:08,413 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-13 21:16:08,413 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-13 21:16:08,413 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-13 21:16:08,413 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-13 21:16:08,413 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__1 [2019-10-13 21:16:08,413 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Encrypt [2019-10-13 21:16:08,413 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Encrypt [2019-10-13 21:16:08,414 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__AddressBook [2019-10-13 21:16:08,414 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__AddressBook [2019-10-13 21:16:08,414 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Sign [2019-10-13 21:16:08,414 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Sign [2019-10-13 21:16:08,414 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__AutoResponder [2019-10-13 21:16:08,414 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__AutoResponder [2019-10-13 21:16:08,414 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Forward [2019-10-13 21:16:08,415 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Forward [2019-10-13 21:16:08,415 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Verify [2019-10-13 21:16:08,415 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Verify [2019-10-13 21:16:08,415 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Decrypt [2019-10-13 21:16:08,415 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Decrypt [2019-10-13 21:16:08,415 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__2 [2019-10-13 21:16:08,415 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-13 21:16:08,415 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-13 21:16:08,416 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-13 21:16:08,416 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-13 21:16:08,416 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-13 21:16:08,416 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-13 21:16:08,416 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-13 21:16:08,416 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-13 21:16:08,416 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-13 21:16:08,416 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-13 21:16:08,417 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-13 21:16:08,417 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-13 21:16:08,417 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-13 21:16:08,417 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-13 21:16:08,417 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-13 21:16:08,417 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-13 21:16:08,417 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-13 21:16:08,417 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 21:16:08,418 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-13 21:16:08,418 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-13 21:16:08,418 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-13 21:16:08,418 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-13 21:16:08,418 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-13 21:16:08,418 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-13 21:16:08,418 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-13 21:16:08,418 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-13 21:16:08,419 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-13 21:16:08,419 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-13 21:16:08,419 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-13 21:16:08,419 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-13 21:16:08,419 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-13 21:16:08,420 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-13 21:16:08,425 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-13 21:16:08,425 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-13 21:16:08,425 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-13 21:16:08,425 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-13 21:16:08,425 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-13 21:16:08,426 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-13 21:16:08,426 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-13 21:16:08,426 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-13 21:16:08,429 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-13 21:16:08,429 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-13 21:16:08,429 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 21:16:08,429 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:16:08,429 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-13 21:16:08,429 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-13 21:16:08,429 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__before__Keys [2019-10-13 21:16:08,430 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__role__Keys [2019-10-13 21:16:08,430 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__before__Keys [2019-10-13 21:16:08,430 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__role__Keys [2019-10-13 21:16:08,430 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__before__Keys [2019-10-13 21:16:08,430 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__role__Keys [2019-10-13 21:16:08,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:16:08,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 21:16:08,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:16:10,744 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:16:10,745 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-13 21:16:10,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:16:10 BoogieIcfgContainer [2019-10-13 21:16:10,747 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:16:10,748 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:16:10,748 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:16:10,751 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:16:10,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:16:06" (1/3) ... [2019-10-13 21:16:10,752 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5868ab35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:16:10, skipping insertion in model container [2019-10-13 21:16:10,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:16:08" (2/3) ... [2019-10-13 21:16:10,753 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5868ab35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:16:10, skipping insertion in model container [2019-10-13 21:16:10,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:16:10" (3/3) ... [2019-10-13 21:16:10,755 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec3_productSimulator.cil.c [2019-10-13 21:16:10,766 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:16:10,778 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:16:10,790 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:16:10,825 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:16:10,825 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:16:10,825 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:16:10,825 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:16:10,826 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:16:10,826 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:16:10,826 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:16:10,826 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:16:10,867 INFO L276 IsEmpty]: Start isEmpty. Operand 826 states. [2019-10-13 21:16:10,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2019-10-13 21:16:10,908 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:16:10,909 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] [2019-10-13 21:16:10,914 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:16:10,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:16:10,920 INFO L82 PathProgramCache]: Analyzing trace with hash -1801418639, now seen corresponding path program 1 times [2019-10-13 21:16:10,931 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:16:10,932 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689605186] [2019-10-13 21:16:10,932 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:16:10,932 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:16:10,933 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:16:11,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:16:11,805 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 21:16:11,806 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689605186] [2019-10-13 21:16:11,807 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:16:11,807 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:16:11,807 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131020094] [2019-10-13 21:16:11,813 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:16:11,814 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:16:11,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:16:11,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:16:11,832 INFO L87 Difference]: Start difference. First operand 826 states. Second operand 6 states. [2019-10-13 21:16:12,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:16:12,073 INFO L93 Difference]: Finished difference Result 1570 states and 2177 transitions. [2019-10-13 21:16:12,074 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:16:12,075 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 204 [2019-10-13 21:16:12,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:16:12,109 INFO L225 Difference]: With dead ends: 1570 [2019-10-13 21:16:12,110 INFO L226 Difference]: Without dead ends: 797 [2019-10-13 21:16:12,122 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 21:16:12,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 797 states. [2019-10-13 21:16:12,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 797 to 797. [2019-10-13 21:16:12,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 797 states. [2019-10-13 21:16:12,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 797 states and 1085 transitions. [2019-10-13 21:16:12,281 INFO L78 Accepts]: Start accepts. Automaton has 797 states and 1085 transitions. Word has length 204 [2019-10-13 21:16:12,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:16:12,283 INFO L462 AbstractCegarLoop]: Abstraction has 797 states and 1085 transitions. [2019-10-13 21:16:12,283 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:16:12,283 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 1085 transitions. [2019-10-13 21:16:12,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2019-10-13 21:16:12,290 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:16:12,291 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] [2019-10-13 21:16:12,291 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:16:12,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:16:12,292 INFO L82 PathProgramCache]: Analyzing trace with hash 1881288200, now seen corresponding path program 1 times [2019-10-13 21:16:12,292 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:16:12,292 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706473490] [2019-10-13 21:16:12,292 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:16:12,292 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:16:12,293 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:16:12,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:16:12,577 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 21:16:12,578 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706473490] [2019-10-13 21:16:12,578 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:16:12,578 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 21:16:12,578 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172160984] [2019-10-13 21:16:12,589 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 21:16:12,590 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:16:12,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 21:16:12,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:16:12,591 INFO L87 Difference]: Start difference. First operand 797 states and 1085 transitions. Second operand 4 states. [2019-10-13 21:16:13,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:16:13,491 INFO L93 Difference]: Finished difference Result 1553 states and 2141 transitions. [2019-10-13 21:16:13,491 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 21:16:13,491 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 210 [2019-10-13 21:16:13,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:16:13,504 INFO L225 Difference]: With dead ends: 1553 [2019-10-13 21:16:13,504 INFO L226 Difference]: Without dead ends: 798 [2019-10-13 21:16:13,509 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 21:16:13,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 798 states. [2019-10-13 21:16:13,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 798 to 798. [2019-10-13 21:16:13,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 798 states. [2019-10-13 21:16:13,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 798 states and 1079 transitions. [2019-10-13 21:16:13,566 INFO L78 Accepts]: Start accepts. Automaton has 798 states and 1079 transitions. Word has length 210 [2019-10-13 21:16:13,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:16:13,569 INFO L462 AbstractCegarLoop]: Abstraction has 798 states and 1079 transitions. [2019-10-13 21:16:13,569 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 21:16:13,569 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 1079 transitions. [2019-10-13 21:16:13,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2019-10-13 21:16:13,577 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:16:13,578 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, 1] [2019-10-13 21:16:13,579 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:16:13,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:16:13,580 INFO L82 PathProgramCache]: Analyzing trace with hash -163486093, now seen corresponding path program 1 times [2019-10-13 21:16:13,580 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:16:13,580 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560766553] [2019-10-13 21:16:13,580 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:16:13,580 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:16:13,581 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:16:13,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:16:13,864 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 21:16:13,865 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560766553] [2019-10-13 21:16:13,865 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:16:13,865 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:16:13,865 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050033962] [2019-10-13 21:16:13,866 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:16:13,866 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:16:13,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:16:13,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:16:13,867 INFO L87 Difference]: Start difference. First operand 798 states and 1079 transitions. Second operand 3 states. [2019-10-13 21:16:14,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:16:14,057 INFO L93 Difference]: Finished difference Result 1547 states and 2119 transitions. [2019-10-13 21:16:14,057 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:16:14,058 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 225 [2019-10-13 21:16:14,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:16:14,067 INFO L225 Difference]: With dead ends: 1547 [2019-10-13 21:16:14,067 INFO L226 Difference]: Without dead ends: 796 [2019-10-13 21:16:14,072 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 21:16:14,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 796 states. [2019-10-13 21:16:14,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 796 to 796. [2019-10-13 21:16:14,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 796 states. [2019-10-13 21:16:14,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 796 states and 1072 transitions. [2019-10-13 21:16:14,152 INFO L78 Accepts]: Start accepts. Automaton has 796 states and 1072 transitions. Word has length 225 [2019-10-13 21:16:14,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:16:14,153 INFO L462 AbstractCegarLoop]: Abstraction has 796 states and 1072 transitions. [2019-10-13 21:16:14,153 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:16:14,153 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 1072 transitions. [2019-10-13 21:16:14,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2019-10-13 21:16:14,166 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:16:14,167 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, 1, 1] [2019-10-13 21:16:14,167 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:16:14,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:16:14,168 INFO L82 PathProgramCache]: Analyzing trace with hash 939319636, now seen corresponding path program 1 times [2019-10-13 21:16:14,168 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:16:14,168 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993175785] [2019-10-13 21:16:14,169 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:16:14,169 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:16:14,169 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:16:14,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:16:14,464 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 21:16:14,464 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993175785] [2019-10-13 21:16:14,465 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:16:14,465 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 21:16:14,465 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854535513] [2019-10-13 21:16:14,466 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 21:16:14,467 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:16:14,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 21:16:14,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:16:14,468 INFO L87 Difference]: Start difference. First operand 796 states and 1072 transitions. Second operand 4 states. [2019-10-13 21:16:15,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:16:15,482 INFO L93 Difference]: Finished difference Result 1532 states and 2070 transitions. [2019-10-13 21:16:15,482 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 21:16:15,483 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 226 [2019-10-13 21:16:15,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:16:15,489 INFO L225 Difference]: With dead ends: 1532 [2019-10-13 21:16:15,489 INFO L226 Difference]: Without dead ends: 802 [2019-10-13 21:16:15,491 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 21:16:15,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 802 states. [2019-10-13 21:16:15,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 802 to 796. [2019-10-13 21:16:15,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 796 states. [2019-10-13 21:16:15,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 796 states and 1057 transitions. [2019-10-13 21:16:15,533 INFO L78 Accepts]: Start accepts. Automaton has 796 states and 1057 transitions. Word has length 226 [2019-10-13 21:16:15,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:16:15,535 INFO L462 AbstractCegarLoop]: Abstraction has 796 states and 1057 transitions. [2019-10-13 21:16:15,535 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 21:16:15,535 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 1057 transitions. [2019-10-13 21:16:15,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2019-10-13 21:16:15,542 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:16:15,542 INFO L380 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:16:15,542 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:16:15,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:16:15,543 INFO L82 PathProgramCache]: Analyzing trace with hash -546604095, now seen corresponding path program 1 times [2019-10-13 21:16:15,543 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:16:15,544 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772143971] [2019-10-13 21:16:15,544 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:16:15,544 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:16:15,544 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:16:15,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:16:15,787 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2019-10-13 21:16:15,787 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772143971] [2019-10-13 21:16:15,788 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:16:15,788 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:16:15,788 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754160081] [2019-10-13 21:16:15,789 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:16:15,789 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:16:15,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:16:15,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:16:15,790 INFO L87 Difference]: Start difference. First operand 796 states and 1057 transitions. Second operand 3 states. [2019-10-13 21:16:15,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:16:15,842 INFO L93 Difference]: Finished difference Result 1242 states and 1631 transitions. [2019-10-13 21:16:15,843 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:16:15,843 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 253 [2019-10-13 21:16:15,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:16:15,850 INFO L225 Difference]: With dead ends: 1242 [2019-10-13 21:16:15,850 INFO L226 Difference]: Without dead ends: 799 [2019-10-13 21:16:15,854 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 21:16:15,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 799 states. [2019-10-13 21:16:15,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 799 to 798. [2019-10-13 21:16:15,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 798 states. [2019-10-13 21:16:15,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 798 states and 1059 transitions. [2019-10-13 21:16:15,901 INFO L78 Accepts]: Start accepts. Automaton has 798 states and 1059 transitions. Word has length 253 [2019-10-13 21:16:15,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:16:15,902 INFO L462 AbstractCegarLoop]: Abstraction has 798 states and 1059 transitions. [2019-10-13 21:16:15,902 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:16:15,902 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 1059 transitions. [2019-10-13 21:16:15,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2019-10-13 21:16:15,907 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:16:15,907 INFO L380 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:16:15,908 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:16:15,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:16:15,908 INFO L82 PathProgramCache]: Analyzing trace with hash -364338555, now seen corresponding path program 1 times [2019-10-13 21:16:15,908 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:16:15,908 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242473005] [2019-10-13 21:16:15,909 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:16:15,909 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:16:15,909 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:16:15,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:16:16,114 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2019-10-13 21:16:16,115 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242473005] [2019-10-13 21:16:16,116 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:16:16,116 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:16:16,116 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447112829] [2019-10-13 21:16:16,117 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:16:16,117 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:16:16,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:16:16,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:16:16,118 INFO L87 Difference]: Start difference. First operand 798 states and 1059 transitions. Second operand 3 states. [2019-10-13 21:16:16,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:16:16,171 INFO L93 Difference]: Finished difference Result 1531 states and 2072 transitions. [2019-10-13 21:16:16,172 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:16:16,172 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 261 [2019-10-13 21:16:16,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:16:16,178 INFO L225 Difference]: With dead ends: 1531 [2019-10-13 21:16:16,178 INFO L226 Difference]: Without dead ends: 853 [2019-10-13 21:16:16,181 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 21:16:16,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 853 states. [2019-10-13 21:16:16,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 853 to 852. [2019-10-13 21:16:16,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 852 states. [2019-10-13 21:16:16,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 852 states and 1147 transitions. [2019-10-13 21:16:16,228 INFO L78 Accepts]: Start accepts. Automaton has 852 states and 1147 transitions. Word has length 261 [2019-10-13 21:16:16,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:16:16,229 INFO L462 AbstractCegarLoop]: Abstraction has 852 states and 1147 transitions. [2019-10-13 21:16:16,229 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:16:16,230 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 1147 transitions. [2019-10-13 21:16:16,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2019-10-13 21:16:16,233 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:16:16,234 INFO L380 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:16:16,234 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:16:16,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:16:16,234 INFO L82 PathProgramCache]: Analyzing trace with hash 1381795075, now seen corresponding path program 1 times [2019-10-13 21:16:16,235 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:16:16,235 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610536086] [2019-10-13 21:16:16,235 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:16:16,235 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:16:16,235 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:16:16,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:16:16,699 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2019-10-13 21:16:16,699 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610536086] [2019-10-13 21:16:16,700 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:16:16,700 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-10-13 21:16:16,700 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949707365] [2019-10-13 21:16:16,701 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-10-13 21:16:16,701 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:16:16,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-10-13 21:16:16,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2019-10-13 21:16:16,703 INFO L87 Difference]: Start difference. First operand 852 states and 1147 transitions. Second operand 13 states. [2019-10-13 21:16:34,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:16:34,535 INFO L93 Difference]: Finished difference Result 4613 states and 6419 transitions. [2019-10-13 21:16:34,536 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2019-10-13 21:16:34,536 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 262 [2019-10-13 21:16:34,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:16:34,567 INFO L225 Difference]: With dead ends: 4613 [2019-10-13 21:16:34,567 INFO L226 Difference]: Without dead ends: 4159 [2019-10-13 21:16:34,572 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 596 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=533, Invalid=1629, Unknown=0, NotChecked=0, Total=2162 [2019-10-13 21:16:34,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4159 states. [2019-10-13 21:16:34,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4159 to 4134. [2019-10-13 21:16:34,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4134 states. [2019-10-13 21:16:34,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4134 states to 4134 states and 5538 transitions. [2019-10-13 21:16:34,763 INFO L78 Accepts]: Start accepts. Automaton has 4134 states and 5538 transitions. Word has length 262 [2019-10-13 21:16:34,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:16:34,764 INFO L462 AbstractCegarLoop]: Abstraction has 4134 states and 5538 transitions. [2019-10-13 21:16:34,764 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-10-13 21:16:34,764 INFO L276 IsEmpty]: Start isEmpty. Operand 4134 states and 5538 transitions. [2019-10-13 21:16:34,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2019-10-13 21:16:34,769 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:16:34,769 INFO L380 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:16:34,770 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:16:34,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:16:34,770 INFO L82 PathProgramCache]: Analyzing trace with hash -488505830, now seen corresponding path program 1 times [2019-10-13 21:16:34,771 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:16:34,771 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438957017] [2019-10-13 21:16:34,771 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:16:34,771 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:16:34,772 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:16:34,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:16:35,236 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2019-10-13 21:16:35,236 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438957017] [2019-10-13 21:16:35,236 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:16:35,237 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2019-10-13 21:16:35,237 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804806175] [2019-10-13 21:16:35,238 INFO L442 AbstractCegarLoop]: Interpolant automaton has 22 states [2019-10-13 21:16:35,238 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:16:35,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2019-10-13 21:16:35,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=421, Unknown=0, NotChecked=0, Total=462 [2019-10-13 21:16:35,239 INFO L87 Difference]: Start difference. First operand 4134 states and 5538 transitions. Second operand 22 states. [2019-10-13 21:16:36,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:16:36,130 INFO L93 Difference]: Finished difference Result 7584 states and 10117 transitions. [2019-10-13 21:16:36,130 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-10-13 21:16:36,130 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 263 [2019-10-13 21:16:36,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:16:36,157 INFO L225 Difference]: With dead ends: 7584 [2019-10-13 21:16:36,158 INFO L226 Difference]: Without dead ends: 4214 [2019-10-13 21:16:36,172 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=77, Invalid=853, Unknown=0, NotChecked=0, Total=930 [2019-10-13 21:16:36,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4214 states. [2019-10-13 21:16:36,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4214 to 4213. [2019-10-13 21:16:36,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4213 states. [2019-10-13 21:16:36,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4213 states to 4213 states and 5642 transitions. [2019-10-13 21:16:36,413 INFO L78 Accepts]: Start accepts. Automaton has 4213 states and 5642 transitions. Word has length 263 [2019-10-13 21:16:36,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:16:36,414 INFO L462 AbstractCegarLoop]: Abstraction has 4213 states and 5642 transitions. [2019-10-13 21:16:36,414 INFO L463 AbstractCegarLoop]: Interpolant automaton has 22 states. [2019-10-13 21:16:36,415 INFO L276 IsEmpty]: Start isEmpty. Operand 4213 states and 5642 transitions. [2019-10-13 21:16:36,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2019-10-13 21:16:36,422 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:16:36,424 INFO L380 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:16:36,425 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:16:36,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:16:36,425 INFO L82 PathProgramCache]: Analyzing trace with hash -2111557029, now seen corresponding path program 1 times [2019-10-13 21:16:36,426 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:16:36,426 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295454151] [2019-10-13 21:16:36,426 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:16:36,426 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:16:36,426 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:16:36,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:16:37,065 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2019-10-13 21:16:37,066 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295454151] [2019-10-13 21:16:37,067 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:16:37,067 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2019-10-13 21:16:37,068 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129985089] [2019-10-13 21:16:37,071 INFO L442 AbstractCegarLoop]: Interpolant automaton has 24 states [2019-10-13 21:16:37,072 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:16:37,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2019-10-13 21:16:37,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=507, Unknown=0, NotChecked=0, Total=552 [2019-10-13 21:16:37,073 INFO L87 Difference]: Start difference. First operand 4213 states and 5642 transitions. Second operand 24 states. [2019-10-13 21:16:37,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:16:37,957 INFO L93 Difference]: Finished difference Result 8124 states and 10978 transitions. [2019-10-13 21:16:37,957 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2019-10-13 21:16:37,958 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 272 [2019-10-13 21:16:37,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:16:37,988 INFO L225 Difference]: With dead ends: 8124 [2019-10-13 21:16:37,988 INFO L226 Difference]: Without dead ends: 4386 [2019-10-13 21:16:38,002 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=85, Invalid=1037, Unknown=0, NotChecked=0, Total=1122 [2019-10-13 21:16:38,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4386 states. [2019-10-13 21:16:38,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4386 to 4386. [2019-10-13 21:16:38,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4386 states. [2019-10-13 21:16:38,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4386 states to 4386 states and 5912 transitions. [2019-10-13 21:16:38,271 INFO L78 Accepts]: Start accepts. Automaton has 4386 states and 5912 transitions. Word has length 272 [2019-10-13 21:16:38,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:16:38,273 INFO L462 AbstractCegarLoop]: Abstraction has 4386 states and 5912 transitions. [2019-10-13 21:16:38,273 INFO L463 AbstractCegarLoop]: Interpolant automaton has 24 states. [2019-10-13 21:16:38,273 INFO L276 IsEmpty]: Start isEmpty. Operand 4386 states and 5912 transitions. [2019-10-13 21:16:38,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2019-10-13 21:16:38,280 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:16:38,280 INFO L380 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:16:38,281 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:16:38,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:16:38,281 INFO L82 PathProgramCache]: Analyzing trace with hash -1788037709, now seen corresponding path program 1 times [2019-10-13 21:16:38,281 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:16:38,282 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717643236] [2019-10-13 21:16:38,282 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:16:38,282 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:16:38,282 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:16:38,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:16:40,432 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2019-10-13 21:16:40,432 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717643236] [2019-10-13 21:16:40,432 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [28051869] [2019-10-13 21:16:40,433 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:16:41,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:16:41,105 INFO L256 TraceCheckSpWp]: Trace formula consists of 3635 conjuncts, 10 conjunts are in the unsatisfiable core [2019-10-13 21:16:41,129 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:16:41,852 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2019-10-13 21:16:41,852 INFO L321 TraceCheckSpWp]: Computing backward predicates...