/usr/bin/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 --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/email_spec11_product03.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-19 05:45:00,777 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-19 05:45:00,782 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-19 05:45:00,822 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-19 05:45:00,822 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-19 05:45:00,835 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-19 05:45:00,837 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-19 05:45:00,840 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-19 05:45:00,843 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-19 05:45:00,845 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-19 05:45:00,846 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-19 05:45:00,847 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-19 05:45:00,847 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-19 05:45:00,848 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-19 05:45:00,851 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-19 05:45:00,853 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-19 05:45:00,854 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-19 05:45:00,858 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-19 05:45:00,860 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-19 05:45:00,867 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-19 05:45:00,870 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-19 05:45:00,873 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-19 05:45:00,874 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-19 05:45:00,875 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-19 05:45:00,880 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-19 05:45:00,880 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-19 05:45:00,880 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-19 05:45:00,883 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-19 05:45:00,884 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-19 05:45:00,886 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-19 05:45:00,886 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-19 05:45:00,887 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-19 05:45:00,888 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-19 05:45:00,889 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-19 05:45:00,890 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-19 05:45:00,890 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-19 05:45:00,891 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-19 05:45:00,891 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-19 05:45:00,891 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-19 05:45:00,892 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-19 05:45:00,894 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-19 05:45:00,894 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-19 05:45:00,937 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-19 05:45:00,937 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-19 05:45:00,939 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-19 05:45:00,940 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-19 05:45:00,940 INFO L138 SettingsManager]: * Use SBE=true [2020-08-19 05:45:00,940 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-19 05:45:00,940 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-19 05:45:00,941 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-19 05:45:00,941 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-19 05:45:00,941 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-19 05:45:00,942 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-19 05:45:00,942 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-19 05:45:00,942 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-19 05:45:00,943 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-19 05:45:00,943 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-19 05:45:00,943 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-19 05:45:00,943 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-19 05:45:00,944 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-19 05:45:00,944 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-19 05:45:00,944 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-19 05:45:00,944 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-19 05:45:00,944 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-19 05:45:00,945 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-19 05:45:00,945 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-19 05:45:00,945 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-19 05:45:00,945 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-19 05:45:00,945 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-19 05:45:00,946 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-19 05:45:00,946 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-19 05:45:00,946 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.4; [2020-08-19 05:45:01,259 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-19 05:45:01,271 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-19 05:45:01,275 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-19 05:45:01,276 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-19 05:45:01,277 INFO L275 PluginConnector]: CDTParser initialized [2020-08-19 05:45:01,278 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec11_product03.cil.c [2020-08-19 05:45:01,349 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cfd1f627d/eddce921c28041ee80510ea848f7ccf7/FLAG1a4cc28dc [2020-08-19 05:45:02,033 INFO L306 CDTParser]: Found 1 translation units. [2020-08-19 05:45:02,035 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/email_spec11_product03.cil.c [2020-08-19 05:45:02,063 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cfd1f627d/eddce921c28041ee80510ea848f7ccf7/FLAG1a4cc28dc [2020-08-19 05:45:02,233 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cfd1f627d/eddce921c28041ee80510ea848f7ccf7 [2020-08-19 05:45:02,242 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-19 05:45:02,243 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-19 05:45:02,244 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-19 05:45:02,244 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-19 05:45:02,247 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-19 05:45:02,248 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.08 05:45:02" (1/1) ... [2020-08-19 05:45:02,250 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30847a1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 05:45:02, skipping insertion in model container [2020-08-19 05:45:02,250 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.08 05:45:02" (1/1) ... [2020-08-19 05:45:02,257 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-19 05:45:02,322 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-19 05:45:03,048 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-19 05:45:03,063 INFO L203 MainTranslator]: Completed pre-run [2020-08-19 05:45:03,196 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-19 05:45:03,268 INFO L208 MainTranslator]: Completed translation [2020-08-19 05:45:03,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 05:45:03 WrapperNode [2020-08-19 05:45:03,270 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-19 05:45:03,270 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-19 05:45:03,270 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-19 05:45:03,271 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-19 05:45:03,282 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 05:45:03" (1/1) ... [2020-08-19 05:45:03,283 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 05:45:03" (1/1) ... [2020-08-19 05:45:03,312 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 05:45:03" (1/1) ... [2020-08-19 05:45:03,313 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 05:45:03" (1/1) ... [2020-08-19 05:45:03,364 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 05:45:03" (1/1) ... [2020-08-19 05:45:03,386 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 05:45:03" (1/1) ... [2020-08-19 05:45:03,396 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 05:45:03" (1/1) ... [2020-08-19 05:45:03,412 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-19 05:45:03,413 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-19 05:45:03,413 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-19 05:45:03,413 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-19 05:45:03,414 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 05:45:03" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-08-19 05:45:03,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-19 05:45:03,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-19 05:45:03,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-19 05:45:03,508 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2020-08-19 05:45:03,508 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2020-08-19 05:45:03,508 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2020-08-19 05:45:03,508 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2020-08-19 05:45:03,509 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2020-08-19 05:45:03,509 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-19 05:45:03,510 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-19 05:45:03,510 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2020-08-19 05:45:03,510 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-19 05:45:03,511 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-19 05:45:03,511 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-19 05:45:03,511 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-19 05:45:03,512 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-19 05:45:03,512 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2020-08-19 05:45:03,512 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2020-08-19 05:45:03,513 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2020-08-19 05:45:03,513 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2020-08-19 05:45:03,513 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2020-08-19 05:45:03,514 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2020-08-19 05:45:03,514 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2020-08-19 05:45:03,514 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2020-08-19 05:45:03,514 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2020-08-19 05:45:03,515 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2020-08-19 05:45:03,515 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2020-08-19 05:45:03,516 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2020-08-19 05:45:03,516 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2020-08-19 05:45:03,516 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2020-08-19 05:45:03,516 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2020-08-19 05:45:03,516 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2020-08-19 05:45:03,517 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2020-08-19 05:45:03,517 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2020-08-19 05:45:03,517 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2020-08-19 05:45:03,517 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2020-08-19 05:45:03,518 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2020-08-19 05:45:03,518 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2020-08-19 05:45:03,518 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2020-08-19 05:45:03,518 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2020-08-19 05:45:03,519 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Base [2020-08-19 05:45:03,519 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2020-08-19 05:45:03,519 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2020-08-19 05:45:03,519 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2020-08-19 05:45:03,520 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2020-08-19 05:45:03,520 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2020-08-19 05:45:03,520 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2020-08-19 05:45:03,520 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2020-08-19 05:45:03,521 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2020-08-19 05:45:03,521 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptAutoResponder_spec__1 [2020-08-19 05:45:03,521 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-19 05:45:03,521 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2020-08-19 05:45:03,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-19 05:45:03,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-19 05:45:03,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-19 05:45:03,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-19 05:45:03,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-19 05:45:03,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-19 05:45:03,523 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2020-08-19 05:45:03,523 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2020-08-19 05:45:03,524 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2020-08-19 05:45:03,524 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2020-08-19 05:45:03,524 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2020-08-19 05:45:03,524 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2020-08-19 05:45:03,524 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2020-08-19 05:45:03,525 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2020-08-19 05:45:03,525 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2020-08-19 05:45:03,525 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2020-08-19 05:45:03,525 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2020-08-19 05:45:03,525 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2020-08-19 05:45:03,526 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2020-08-19 05:45:03,527 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2020-08-19 05:45:03,527 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2020-08-19 05:45:03,528 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2020-08-19 05:45:03,528 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2020-08-19 05:45:03,529 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2020-08-19 05:45:03,530 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2020-08-19 05:45:03,530 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2020-08-19 05:45:03,530 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2020-08-19 05:45:03,530 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2020-08-19 05:45:03,531 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2020-08-19 05:45:03,531 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2020-08-19 05:45:03,531 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2020-08-19 05:45:03,531 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2020-08-19 05:45:03,532 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2020-08-19 05:45:03,533 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2020-08-19 05:45:03,533 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2020-08-19 05:45:03,533 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2020-08-19 05:45:03,533 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2020-08-19 05:45:03,533 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2020-08-19 05:45:03,534 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2020-08-19 05:45:03,534 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-19 05:45:03,534 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-19 05:45:03,534 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-19 05:45:03,535 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-08-19 05:45:03,535 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2020-08-19 05:45:03,535 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2020-08-19 05:45:03,535 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-19 05:45:03,535 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-19 05:45:03,535 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-19 05:45:03,536 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2020-08-19 05:45:03,536 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2020-08-19 05:45:03,536 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2020-08-19 05:45:03,536 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2020-08-19 05:45:03,536 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2020-08-19 05:45:03,537 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2020-08-19 05:45:03,537 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2020-08-19 05:45:03,537 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2020-08-19 05:45:03,537 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2020-08-19 05:45:03,537 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2020-08-19 05:45:03,538 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-19 05:45:03,538 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-19 05:45:03,538 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-19 05:45:03,538 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2020-08-19 05:45:03,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-19 05:45:03,539 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-19 05:45:03,539 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2020-08-19 05:45:03,540 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2020-08-19 05:45:03,540 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2020-08-19 05:45:03,541 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2020-08-19 05:45:03,541 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2020-08-19 05:45:03,541 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2020-08-19 05:45:03,541 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2020-08-19 05:45:03,543 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2020-08-19 05:45:03,543 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2020-08-19 05:45:03,543 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2020-08-19 05:45:03,544 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2020-08-19 05:45:03,544 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2020-08-19 05:45:03,544 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2020-08-19 05:45:03,544 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2020-08-19 05:45:03,545 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2020-08-19 05:45:03,550 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2020-08-19 05:45:03,550 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2020-08-19 05:45:03,550 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2020-08-19 05:45:03,551 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2020-08-19 05:45:03,551 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2020-08-19 05:45:03,552 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2020-08-19 05:45:03,552 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2020-08-19 05:45:03,552 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2020-08-19 05:45:03,553 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2020-08-19 05:45:03,553 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2020-08-19 05:45:03,553 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2020-08-19 05:45:03,553 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2020-08-19 05:45:03,562 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2020-08-19 05:45:03,563 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2020-08-19 05:45:03,563 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2020-08-19 05:45:03,563 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2020-08-19 05:45:03,563 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Base [2020-08-19 05:45:03,564 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptAutoResponder_spec__1 [2020-08-19 05:45:03,565 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-19 05:45:03,565 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2020-08-19 05:45:03,565 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2020-08-19 05:45:03,565 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-19 05:45:03,566 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-19 05:45:03,566 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-19 05:45:03,566 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-19 05:45:03,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-19 05:45:03,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-19 05:45:03,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-19 05:45:03,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-19 05:45:03,567 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-19 05:45:03,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-19 05:45:03,567 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-19 05:45:03,567 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-19 05:45:03,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-19 05:45:03,568 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-19 05:45:03,568 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-19 05:45:03,568 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-19 05:45:03,568 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2020-08-19 05:45:03,569 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2020-08-19 05:45:03,569 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2020-08-19 05:45:03,569 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2020-08-19 05:45:03,569 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2020-08-19 05:45:03,569 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2020-08-19 05:45:03,569 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2020-08-19 05:45:03,570 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2020-08-19 05:45:03,570 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2020-08-19 05:45:03,570 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2020-08-19 05:45:03,570 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2020-08-19 05:45:03,570 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2020-08-19 05:45:03,570 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2020-08-19 05:45:03,571 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2020-08-19 05:45:03,571 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2020-08-19 05:45:03,571 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2020-08-19 05:45:03,572 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2020-08-19 05:45:03,572 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2020-08-19 05:45:03,572 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2020-08-19 05:45:03,572 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2020-08-19 05:45:03,573 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2020-08-19 05:45:03,573 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2020-08-19 05:45:03,573 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2020-08-19 05:45:03,573 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2020-08-19 05:45:03,573 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2020-08-19 05:45:03,574 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2020-08-19 05:45:03,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-19 05:45:03,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-19 05:45:03,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-19 05:45:05,580 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-19 05:45:05,580 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-08-19 05:45:05,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.08 05:45:05 BoogieIcfgContainer [2020-08-19 05:45:05,587 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-19 05:45:05,588 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-19 05:45:05,588 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-19 05:45:05,592 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-19 05:45:05,592 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.08 05:45:02" (1/3) ... [2020-08-19 05:45:05,593 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7aae58c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.08 05:45:05, skipping insertion in model container [2020-08-19 05:45:05,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 05:45:03" (2/3) ... [2020-08-19 05:45:05,593 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7aae58c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.08 05:45:05, skipping insertion in model container [2020-08-19 05:45:05,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.08 05:45:05" (3/3) ... [2020-08-19 05:45:05,595 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec11_product03.cil.c [2020-08-19 05:45:05,607 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-19 05:45:05,616 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-19 05:45:05,631 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-19 05:45:05,659 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-19 05:45:05,659 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-19 05:45:05,659 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-19 05:45:05,659 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-19 05:45:05,659 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-19 05:45:05,660 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-19 05:45:05,660 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-19 05:45:05,660 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-19 05:45:05,685 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states. [2020-08-19 05:45:05,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-08-19 05:45:05,701 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 05:45:05,702 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-08-19 05:45:05,703 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 05:45:05,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 05:45:05,709 INFO L82 PathProgramCache]: Analyzing trace with hash -1055446932, now seen corresponding path program 1 times [2020-08-19 05:45:05,719 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 05:45:05,719 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [693104219] [2020-08-19 05:45:05,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 05:45:06,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:07,696 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification that was a NOOP. DAG size: 499 [2020-08-19 05:45:07,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 05:45:07,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:07,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 05:45:07,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:07,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-19 05:45:07,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:07,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 05:45:07,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:07,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-19 05:45:07,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:07,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 05:45:07,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:07,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 05:45:07,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:07,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-19 05:45:07,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:07,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 05:45:07,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:07,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-08-19 05:45:07,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:07,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 05:45:07,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:07,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-08-19 05:45:07,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:08,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 05:45:08,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:08,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 05:45:08,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:08,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-19 05:45:08,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:08,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-08-19 05:45:08,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:08,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-19 05:45:08,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:08,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-08-19 05:45:08,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:08,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 05:45:08,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:08,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-08-19 05:45:08,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:08,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-08-19 05:45:08,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:08,103 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-08-19 05:45:08,104 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [693104219] [2020-08-19 05:45:08,106 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 05:45:08,106 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-08-19 05:45:08,107 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430505385] [2020-08-19 05:45:08,114 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-08-19 05:45:08,114 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 05:45:08,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-08-19 05:45:08,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-08-19 05:45:08,132 INFO L87 Difference]: Start difference. First operand 220 states. Second operand 13 states. [2020-08-19 05:45:10,203 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 502 [2020-08-19 05:45:11,743 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 501 [2020-08-19 05:45:12,976 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 504 [2020-08-19 05:45:14,224 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 504 [2020-08-19 05:45:20,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 05:45:20,045 INFO L93 Difference]: Finished difference Result 573 states and 804 transitions. [2020-08-19 05:45:20,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-08-19 05:45:20,047 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 125 [2020-08-19 05:45:20,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 05:45:20,064 INFO L225 Difference]: With dead ends: 573 [2020-08-19 05:45:20,064 INFO L226 Difference]: Without dead ends: 340 [2020-08-19 05:45:20,071 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 254 ImplicationChecksByTransitivity, 6.8s TimeCoverageRelationStatistics Valid=274, Invalid=916, Unknown=0, NotChecked=0, Total=1190 [2020-08-19 05:45:20,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2020-08-19 05:45:20,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 208. [2020-08-19 05:45:20,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2020-08-19 05:45:20,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 258 transitions. [2020-08-19 05:45:20,213 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 258 transitions. Word has length 125 [2020-08-19 05:45:20,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 05:45:20,213 INFO L479 AbstractCegarLoop]: Abstraction has 208 states and 258 transitions. [2020-08-19 05:45:20,213 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-08-19 05:45:20,214 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 258 transitions. [2020-08-19 05:45:20,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-08-19 05:45:20,217 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 05:45:20,218 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 05:45:20,218 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-19 05:45:20,218 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 05:45:20,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 05:45:20,219 INFO L82 PathProgramCache]: Analyzing trace with hash -1286343955, now seen corresponding path program 1 times [2020-08-19 05:45:20,219 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 05:45:20,219 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1014457067] [2020-08-19 05:45:20,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 05:45:20,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:21,426 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 499 [2020-08-19 05:45:21,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 05:45:21,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:21,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 05:45:21,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:21,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-19 05:45:21,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:21,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 05:45:21,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:21,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-19 05:45:21,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:21,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 05:45:21,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:21,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 05:45:21,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:21,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-19 05:45:21,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:21,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 05:45:21,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:21,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-19 05:45:21,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:21,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 05:45:21,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:21,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-08-19 05:45:21,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:21,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 05:45:21,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:21,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 05:45:21,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:21,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-08-19 05:45:21,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:21,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-08-19 05:45:21,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:21,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-08-19 05:45:21,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:21,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-19 05:45:21,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:21,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 05:45:21,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:21,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-08-19 05:45:21,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:21,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-08-19 05:45:21,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:21,768 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-08-19 05:45:21,769 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1014457067] [2020-08-19 05:45:21,769 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 05:45:21,769 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-08-19 05:45:21,769 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629712441] [2020-08-19 05:45:21,771 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-08-19 05:45:21,772 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 05:45:21,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-08-19 05:45:21,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-08-19 05:45:21,773 INFO L87 Difference]: Start difference. First operand 208 states and 258 transitions. Second operand 13 states. [2020-08-19 05:45:23,491 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 502 [2020-08-19 05:45:25,130 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 501 [2020-08-19 05:45:26,321 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 504 [2020-08-19 05:45:27,503 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 504 [2020-08-19 05:45:32,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 05:45:32,034 INFO L93 Difference]: Finished difference Result 509 states and 668 transitions. [2020-08-19 05:45:32,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-08-19 05:45:32,035 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 127 [2020-08-19 05:45:32,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 05:45:32,040 INFO L225 Difference]: With dead ends: 509 [2020-08-19 05:45:32,040 INFO L226 Difference]: Without dead ends: 346 [2020-08-19 05:45:32,043 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=206, Invalid=664, Unknown=0, NotChecked=0, Total=870 [2020-08-19 05:45:32,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2020-08-19 05:45:32,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 212. [2020-08-19 05:45:32,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2020-08-19 05:45:32,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 262 transitions. [2020-08-19 05:45:32,156 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 262 transitions. Word has length 127 [2020-08-19 05:45:32,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 05:45:32,157 INFO L479 AbstractCegarLoop]: Abstraction has 212 states and 262 transitions. [2020-08-19 05:45:32,157 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-08-19 05:45:32,157 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 262 transitions. [2020-08-19 05:45:32,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-08-19 05:45:32,160 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 05:45:32,160 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 05:45:32,161 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-19 05:45:32,161 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 05:45:32,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 05:45:32,161 INFO L82 PathProgramCache]: Analyzing trace with hash -919207694, now seen corresponding path program 2 times [2020-08-19 05:45:32,162 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 05:45:32,162 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [496578034] [2020-08-19 05:45:32,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 05:45:32,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:33,440 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 499 [2020-08-19 05:45:33,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 05:45:33,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:33,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 05:45:33,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:33,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-19 05:45:33,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:33,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 05:45:33,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:33,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-19 05:45:33,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:33,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 05:45:33,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:33,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 05:45:33,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:33,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-19 05:45:33,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:33,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 05:45:33,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:33,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-19 05:45:33,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:33,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 05:45:33,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:33,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-08-19 05:45:33,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:33,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 05:45:33,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:33,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 05:45:33,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:33,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-08-19 05:45:33,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:33,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-08-19 05:45:33,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:33,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-08-19 05:45:33,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:33,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-08-19 05:45:33,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:33,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 05:45:33,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:33,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-08-19 05:45:33,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:33,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-08-19 05:45:33,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:33,831 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-08-19 05:45:33,832 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [496578034] [2020-08-19 05:45:33,833 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 05:45:33,833 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-08-19 05:45:33,834 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064106447] [2020-08-19 05:45:33,836 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-08-19 05:45:33,837 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 05:45:33,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-08-19 05:45:33,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-08-19 05:45:33,838 INFO L87 Difference]: Start difference. First operand 212 states and 262 transitions. Second operand 13 states. [2020-08-19 05:45:36,483 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 502 [2020-08-19 05:45:38,029 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 501 [2020-08-19 05:45:39,197 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 504 [2020-08-19 05:45:40,347 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 504 [2020-08-19 05:45:44,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 05:45:44,659 INFO L93 Difference]: Finished difference Result 509 states and 667 transitions. [2020-08-19 05:45:44,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-08-19 05:45:44,660 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 128 [2020-08-19 05:45:44,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 05:45:44,663 INFO L225 Difference]: With dead ends: 509 [2020-08-19 05:45:44,663 INFO L226 Difference]: Without dead ends: 348 [2020-08-19 05:45:44,665 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 136 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=206, Invalid=664, Unknown=0, NotChecked=0, Total=870 [2020-08-19 05:45:44,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2020-08-19 05:45:44,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 212. [2020-08-19 05:45:44,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2020-08-19 05:45:44,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 261 transitions. [2020-08-19 05:45:44,761 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 261 transitions. Word has length 128 [2020-08-19 05:45:44,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 05:45:44,761 INFO L479 AbstractCegarLoop]: Abstraction has 212 states and 261 transitions. [2020-08-19 05:45:44,762 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-08-19 05:45:44,762 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 261 transitions. [2020-08-19 05:45:44,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-08-19 05:45:44,764 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 05:45:44,764 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 05:45:44,764 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-19 05:45:44,765 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 05:45:44,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 05:45:44,765 INFO L82 PathProgramCache]: Analyzing trace with hash 1494009384, now seen corresponding path program 1 times [2020-08-19 05:45:44,765 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 05:45:44,765 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [666348526] [2020-08-19 05:45:44,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 05:45:44,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:46,323 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification that was a NOOP. DAG size: 499 [2020-08-19 05:45:46,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 05:45:46,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:46,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 05:45:46,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:46,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-19 05:45:46,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:46,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 05:45:46,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:46,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-19 05:45:46,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:46,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 05:45:46,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:46,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 05:45:46,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:46,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-19 05:45:46,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:46,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 05:45:46,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:46,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-19 05:45:46,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:46,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 05:45:46,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:46,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-08-19 05:45:46,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:46,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 05:45:46,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:46,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 05:45:46,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:46,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-19 05:45:46,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:46,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-19 05:45:46,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:46,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-08-19 05:45:46,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:46,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-08-19 05:45:46,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:46,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 05:45:46,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:46,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-08-19 05:45:46,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:46,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-19 05:45:46,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:46,607 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-08-19 05:45:46,608 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [666348526] [2020-08-19 05:45:46,608 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 05:45:46,608 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-19 05:45:46,608 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734599520] [2020-08-19 05:45:46,610 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-19 05:45:46,610 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 05:45:46,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-19 05:45:46,611 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-08-19 05:45:46,611 INFO L87 Difference]: Start difference. First operand 212 states and 261 transitions. Second operand 9 states. [2020-08-19 05:45:49,176 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 502 [2020-08-19 05:45:53,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 05:45:53,305 INFO L93 Difference]: Finished difference Result 463 states and 594 transitions. [2020-08-19 05:45:53,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-19 05:45:53,306 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 129 [2020-08-19 05:45:53,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 05:45:53,309 INFO L225 Difference]: With dead ends: 463 [2020-08-19 05:45:53,309 INFO L226 Difference]: Without dead ends: 347 [2020-08-19 05:45:53,310 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=66, Invalid=116, Unknown=0, NotChecked=0, Total=182 [2020-08-19 05:45:53,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2020-08-19 05:45:53,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 214. [2020-08-19 05:45:53,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2020-08-19 05:45:53,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 263 transitions. [2020-08-19 05:45:53,400 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 263 transitions. Word has length 129 [2020-08-19 05:45:53,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 05:45:53,401 INFO L479 AbstractCegarLoop]: Abstraction has 214 states and 263 transitions. [2020-08-19 05:45:53,401 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-19 05:45:53,401 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 263 transitions. [2020-08-19 05:45:53,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-08-19 05:45:53,403 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 05:45:53,403 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 05:45:53,403 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-19 05:45:53,404 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 05:45:53,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 05:45:53,404 INFO L82 PathProgramCache]: Analyzing trace with hash -1709287427, now seen corresponding path program 1 times [2020-08-19 05:45:53,404 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 05:45:53,405 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1110534550] [2020-08-19 05:45:53,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 05:45:53,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:54,623 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 499 [2020-08-19 05:45:54,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 05:45:54,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:54,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 05:45:54,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:54,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-19 05:45:54,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:54,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 05:45:54,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:54,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-19 05:45:54,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:54,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 05:45:54,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:54,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 05:45:54,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:54,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-19 05:45:54,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:54,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 05:45:54,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:54,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-19 05:45:54,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:54,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 05:45:54,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:54,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-19 05:45:54,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:54,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 05:45:54,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:54,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-19 05:45:54,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:54,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-08-19 05:45:54,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:54,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-08-19 05:45:54,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:54,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-08-19 05:45:54,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:54,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-08-19 05:45:54,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:54,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-19 05:45:54,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:54,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-08-19 05:45:54,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:54,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-08-19 05:45:54,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:45:54,841 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-08-19 05:45:54,841 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1110534550] [2020-08-19 05:45:54,842 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 05:45:54,842 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-19 05:45:54,842 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320658201] [2020-08-19 05:45:54,843 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-19 05:45:54,843 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 05:45:54,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-19 05:45:54,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-08-19 05:45:54,843 INFO L87 Difference]: Start difference. First operand 214 states and 263 transitions. Second operand 10 states. [2020-08-19 05:45:57,249 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 502 [2020-08-19 05:45:58,428 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 502 [2020-08-19 05:46:02,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 05:46:02,505 INFO L93 Difference]: Finished difference Result 495 states and 651 transitions. [2020-08-19 05:46:02,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-19 05:46:02,506 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 134 [2020-08-19 05:46:02,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 05:46:02,509 INFO L225 Difference]: With dead ends: 495 [2020-08-19 05:46:02,509 INFO L226 Difference]: Without dead ends: 379 [2020-08-19 05:46:02,511 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=98, Invalid=174, Unknown=0, NotChecked=0, Total=272 [2020-08-19 05:46:02,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2020-08-19 05:46:02,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 241. [2020-08-19 05:46:02,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 241 states. [2020-08-19 05:46:02,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 313 transitions. [2020-08-19 05:46:02,612 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 313 transitions. Word has length 134 [2020-08-19 05:46:02,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 05:46:02,613 INFO L479 AbstractCegarLoop]: Abstraction has 241 states and 313 transitions. [2020-08-19 05:46:02,613 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-19 05:46:02,613 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 313 transitions. [2020-08-19 05:46:02,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-08-19 05:46:02,615 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 05:46:02,615 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 05:46:02,616 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-19 05:46:02,616 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 05:46:02,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 05:46:02,616 INFO L82 PathProgramCache]: Analyzing trace with hash 903324488, now seen corresponding path program 2 times [2020-08-19 05:46:02,616 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 05:46:02,617 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [542263555] [2020-08-19 05:46:02,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 05:46:02,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat