/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=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.1 --traceabstraction.additional.smt.options log-additional-information=true -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 0.1.25-177f698 [2020-08-22 02:47:17,558 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 02:47:17,560 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 02:47:17,585 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 02:47:17,586 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 02:47:17,587 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 02:47:17,589 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 02:47:17,591 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 02:47:17,593 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 02:47:17,593 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 02:47:17,594 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 02:47:17,596 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 02:47:17,596 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 02:47:17,597 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 02:47:17,598 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 02:47:17,599 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 02:47:17,600 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 02:47:17,601 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 02:47:17,603 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 02:47:17,606 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 02:47:17,607 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 02:47:17,609 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 02:47:17,610 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 02:47:17,611 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 02:47:17,614 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-22 02:47:17,615 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-22 02:47:17,615 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-22 02:47:17,616 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-22 02:47:17,617 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-22 02:47:17,618 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-22 02:47:17,618 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-22 02:47:17,619 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-22 02:47:17,620 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-22 02:47:17,621 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-22 02:47:17,622 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-22 02:47:17,622 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-22 02:47:17,623 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-22 02:47:17,623 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-22 02:47:17,623 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 02:47:17,624 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 02:47:17,625 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 02:47:17,626 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 [2020-08-22 02:47:17,666 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 02:47:17,667 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 02:47:17,669 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-22 02:47:17,669 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-22 02:47:17,669 INFO L138 SettingsManager]: * Use SBE=true [2020-08-22 02:47:17,670 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 02:47:17,670 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 02:47:17,670 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 02:47:17,670 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 02:47:17,670 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 02:47:17,671 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 02:47:17,672 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 02:47:17,672 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 02:47:17,672 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 02:47:17,672 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 02:47:17,673 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 02:47:17,673 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 02:47:17,673 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 02:47:17,673 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-22 02:47:17,673 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 02:47:17,674 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 02:47:17,674 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 02:47:17,675 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 02:47:17,675 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-22 02:47:17,675 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-22 02:47:17,675 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-22 02:47:17,675 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-22 02:47:17,676 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 02:47:17,676 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-22 02:47:17,676 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=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.1;log-additional-information=true; [2020-08-22 02:47:17,994 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 02:47:18,007 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 02:47:18,011 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 02:47:18,012 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 02:47:18,013 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 02:47:18,014 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec11_product03.cil.c [2020-08-22 02:47:18,077 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d648f1827/a4ca0322e22b440694c54b7de0e23853/FLAG9cfad8448 [2020-08-22 02:47:18,661 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 02:47:18,662 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/email_spec11_product03.cil.c [2020-08-22 02:47:18,692 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d648f1827/a4ca0322e22b440694c54b7de0e23853/FLAG9cfad8448 [2020-08-22 02:47:18,938 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d648f1827/a4ca0322e22b440694c54b7de0e23853 [2020-08-22 02:47:18,946 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 02:47:18,948 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 02:47:18,949 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 02:47:18,949 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 02:47:18,952 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 02:47:18,953 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 02:47:18" (1/1) ... [2020-08-22 02:47:18,956 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e42023b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:47:18, skipping insertion in model container [2020-08-22 02:47:18,956 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 02:47:18" (1/1) ... [2020-08-22 02:47:18,964 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 02:47:19,058 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 02:47:19,890 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 02:47:19,908 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 02:47:20,052 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 02:47:20,119 INFO L208 MainTranslator]: Completed translation [2020-08-22 02:47:20,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:47:20 WrapperNode [2020-08-22 02:47:20,120 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 02:47:20,121 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 02:47:20,121 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 02:47:20,121 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 02:47:20,136 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:47:20" (1/1) ... [2020-08-22 02:47:20,136 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:47:20" (1/1) ... [2020-08-22 02:47:20,165 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:47:20" (1/1) ... [2020-08-22 02:47:20,165 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:47:20" (1/1) ... [2020-08-22 02:47:20,248 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:47:20" (1/1) ... [2020-08-22 02:47:20,287 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:47:20" (1/1) ... [2020-08-22 02:47:20,307 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:47:20" (1/1) ... [2020-08-22 02:47:20,340 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 02:47:20,341 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 02:47:20,341 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 02:47:20,341 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 02:47:20,344 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:47:20" (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 [2020-08-22 02:47:20,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 02:47:20,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 02:47:20,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-22 02:47:20,433 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2020-08-22 02:47:20,433 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2020-08-22 02:47:20,433 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2020-08-22 02:47:20,434 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2020-08-22 02:47:20,434 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2020-08-22 02:47:20,434 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-22 02:47:20,434 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 02:47:20,435 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2020-08-22 02:47:20,435 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-22 02:47:20,435 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-22 02:47:20,435 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-22 02:47:20,436 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-22 02:47:20,436 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-22 02:47:20,436 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2020-08-22 02:47:20,436 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2020-08-22 02:47:20,437 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2020-08-22 02:47:20,440 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2020-08-22 02:47:20,440 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2020-08-22 02:47:20,440 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2020-08-22 02:47:20,440 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2020-08-22 02:47:20,441 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2020-08-22 02:47:20,441 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2020-08-22 02:47:20,441 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2020-08-22 02:47:20,441 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2020-08-22 02:47:20,441 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2020-08-22 02:47:20,441 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2020-08-22 02:47:20,442 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2020-08-22 02:47:20,442 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2020-08-22 02:47:20,442 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2020-08-22 02:47:20,442 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2020-08-22 02:47:20,443 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2020-08-22 02:47:20,443 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2020-08-22 02:47:20,443 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2020-08-22 02:47:20,443 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2020-08-22 02:47:20,443 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2020-08-22 02:47:20,444 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2020-08-22 02:47:20,444 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2020-08-22 02:47:20,444 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Base [2020-08-22 02:47:20,444 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2020-08-22 02:47:20,444 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2020-08-22 02:47:20,444 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2020-08-22 02:47:20,445 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2020-08-22 02:47:20,445 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2020-08-22 02:47:20,445 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2020-08-22 02:47:20,445 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2020-08-22 02:47:20,445 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2020-08-22 02:47:20,446 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptAutoResponder_spec__1 [2020-08-22 02:47:20,446 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-22 02:47:20,446 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2020-08-22 02:47:20,446 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-22 02:47:20,446 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-22 02:47:20,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-22 02:47:20,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-22 02:47:20,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-22 02:47:20,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-22 02:47:20,447 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2020-08-22 02:47:20,448 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2020-08-22 02:47:20,448 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2020-08-22 02:47:20,448 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2020-08-22 02:47:20,448 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2020-08-22 02:47:20,448 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2020-08-22 02:47:20,448 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2020-08-22 02:47:20,449 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2020-08-22 02:47:20,449 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2020-08-22 02:47:20,449 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2020-08-22 02:47:20,449 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2020-08-22 02:47:20,449 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2020-08-22 02:47:20,450 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2020-08-22 02:47:20,450 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2020-08-22 02:47:20,450 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2020-08-22 02:47:20,450 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2020-08-22 02:47:20,450 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2020-08-22 02:47:20,450 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2020-08-22 02:47:20,451 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2020-08-22 02:47:20,451 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2020-08-22 02:47:20,451 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2020-08-22 02:47:20,451 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2020-08-22 02:47:20,451 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2020-08-22 02:47:20,452 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2020-08-22 02:47:20,452 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2020-08-22 02:47:20,452 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2020-08-22 02:47:20,452 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2020-08-22 02:47:20,452 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2020-08-22 02:47:20,453 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2020-08-22 02:47:20,453 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2020-08-22 02:47:20,453 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2020-08-22 02:47:20,453 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2020-08-22 02:47:20,453 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2020-08-22 02:47:20,453 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 02:47:20,454 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 02:47:20,454 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-22 02:47:20,454 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-08-22 02:47:20,454 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2020-08-22 02:47:20,454 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2020-08-22 02:47:20,454 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-22 02:47:20,455 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-22 02:47:20,455 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-22 02:47:20,455 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2020-08-22 02:47:20,455 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2020-08-22 02:47:20,455 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2020-08-22 02:47:20,455 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2020-08-22 02:47:20,456 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2020-08-22 02:47:20,456 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2020-08-22 02:47:20,456 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2020-08-22 02:47:20,456 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2020-08-22 02:47:20,456 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2020-08-22 02:47:20,457 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2020-08-22 02:47:20,457 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-22 02:47:20,457 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-22 02:47:20,457 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 02:47:20,457 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2020-08-22 02:47:20,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-22 02:47:20,458 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-22 02:47:20,458 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2020-08-22 02:47:20,458 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2020-08-22 02:47:20,458 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2020-08-22 02:47:20,458 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2020-08-22 02:47:20,459 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2020-08-22 02:47:20,459 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2020-08-22 02:47:20,459 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2020-08-22 02:47:20,459 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2020-08-22 02:47:20,459 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2020-08-22 02:47:20,460 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2020-08-22 02:47:20,460 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2020-08-22 02:47:20,460 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2020-08-22 02:47:20,460 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2020-08-22 02:47:20,460 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2020-08-22 02:47:20,461 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2020-08-22 02:47:20,461 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2020-08-22 02:47:20,461 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2020-08-22 02:47:20,461 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2020-08-22 02:47:20,461 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2020-08-22 02:47:20,462 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2020-08-22 02:47:20,462 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2020-08-22 02:47:20,462 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2020-08-22 02:47:20,462 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2020-08-22 02:47:20,462 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2020-08-22 02:47:20,463 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2020-08-22 02:47:20,463 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2020-08-22 02:47:20,463 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2020-08-22 02:47:20,463 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2020-08-22 02:47:20,463 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2020-08-22 02:47:20,464 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2020-08-22 02:47:20,464 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2020-08-22 02:47:20,464 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Base [2020-08-22 02:47:20,464 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptAutoResponder_spec__1 [2020-08-22 02:47:20,464 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-22 02:47:20,465 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2020-08-22 02:47:20,465 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2020-08-22 02:47:20,465 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-22 02:47:20,465 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-22 02:47:20,465 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-22 02:47:20,465 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-22 02:47:20,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-22 02:47:20,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-22 02:47:20,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-22 02:47:20,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-22 02:47:20,466 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-22 02:47:20,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-22 02:47:20,467 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-22 02:47:20,467 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-22 02:47:20,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-22 02:47:20,467 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-22 02:47:20,467 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-22 02:47:20,468 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-22 02:47:20,468 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2020-08-22 02:47:20,468 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2020-08-22 02:47:20,468 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2020-08-22 02:47:20,468 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2020-08-22 02:47:20,468 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2020-08-22 02:47:20,468 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2020-08-22 02:47:20,469 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2020-08-22 02:47:20,469 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2020-08-22 02:47:20,469 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2020-08-22 02:47:20,469 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2020-08-22 02:47:20,469 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2020-08-22 02:47:20,470 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2020-08-22 02:47:20,470 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2020-08-22 02:47:20,470 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2020-08-22 02:47:20,470 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2020-08-22 02:47:20,470 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2020-08-22 02:47:20,471 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2020-08-22 02:47:20,471 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2020-08-22 02:47:20,471 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2020-08-22 02:47:20,471 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2020-08-22 02:47:20,471 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2020-08-22 02:47:20,471 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2020-08-22 02:47:20,472 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2020-08-22 02:47:20,472 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2020-08-22 02:47:20,472 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2020-08-22 02:47:20,472 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2020-08-22 02:47:20,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 02:47:20,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-22 02:47:20,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 02:47:22,306 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 02:47:22,307 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-08-22 02:47:22,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 02:47:22 BoogieIcfgContainer [2020-08-22 02:47:22,313 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 02:47:22,314 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 02:47:22,314 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 02:47:22,318 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 02:47:22,318 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 02:47:18" (1/3) ... [2020-08-22 02:47:22,319 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f6b4072 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 02:47:22, skipping insertion in model container [2020-08-22 02:47:22,319 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 02:47:20" (2/3) ... [2020-08-22 02:47:22,320 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f6b4072 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 02:47:22, skipping insertion in model container [2020-08-22 02:47:22,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 02:47:22" (3/3) ... [2020-08-22 02:47:22,321 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec11_product03.cil.c [2020-08-22 02:47:22,333 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 02:47:22,342 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 02:47:22,357 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 02:47:22,383 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 02:47:22,383 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 02:47:22,384 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-22 02:47:22,384 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 02:47:22,384 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 02:47:22,384 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 02:47:22,384 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 02:47:22,384 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 02:47:22,409 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states. [2020-08-22 02:47:22,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-08-22 02:47:22,423 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 02:47:22,425 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] [2020-08-22 02:47:22,425 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 02:47:22,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 02:47:22,432 INFO L82 PathProgramCache]: Analyzing trace with hash -1055446932, now seen corresponding path program 1 times [2020-08-22 02:47:22,442 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 02:47:22,442 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [913246653] [2020-08-22 02:47:22,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 02:47:22,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:47:24,451 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 499 [2020-08-22 02:47:24,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 02:47:24,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:47:24,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 02:47:24,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:47:24,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 02:47:24,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:47:24,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 02:47:24,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:47:24,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 02:47:24,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:47:24,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 02:47:24,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:47:24,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 02:47:24,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:47:24,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 02:47:24,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:47:24,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 02:47:24,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:47:24,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-08-22 02:47:24,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:47:24,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 02:47:24,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:47:24,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-08-22 02:47:24,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:47:24,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 02:47:24,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:47:24,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 02:47:24,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:47:24,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-22 02:47:24,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:47:24,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-08-22 02:47:24,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:47:24,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 02:47:24,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:47:24,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-08-22 02:47:24,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:47:24,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 02:47:24,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:47:24,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-08-22 02:47:24,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:47:24,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-08-22 02:47:24,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:47:24,862 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-08-22 02:47:24,863 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [913246653] [2020-08-22 02:47:24,865 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 02:47:24,866 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-08-22 02:47:24,866 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819569922] [2020-08-22 02:47:24,872 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-08-22 02:47:24,872 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 02:47:24,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-08-22 02:47:24,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-08-22 02:47:24,890 INFO L87 Difference]: Start difference. First operand 220 states. Second operand 13 states. [2020-08-22 02:47:26,872 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 502 [2020-08-22 02:47:28,406 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 501 [2020-08-22 02:47:29,618 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 504 [2020-08-22 02:47:30,844 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 504 [2020-08-22 02:47:36,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 02:47:36,626 INFO L93 Difference]: Finished difference Result 573 states and 804 transitions. [2020-08-22 02:47:36,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-08-22 02:47:36,629 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 125 [2020-08-22 02:47:36,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 02:47:36,657 INFO L225 Difference]: With dead ends: 573 [2020-08-22 02:47:36,657 INFO L226 Difference]: Without dead ends: 340 [2020-08-22 02:47:36,663 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 254 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=274, Invalid=916, Unknown=0, NotChecked=0, Total=1190 [2020-08-22 02:47:36,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2020-08-22 02:47:36,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 208. [2020-08-22 02:47:36,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2020-08-22 02:47:36,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 258 transitions. [2020-08-22 02:47:36,795 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 258 transitions. Word has length 125 [2020-08-22 02:47:36,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 02:47:36,795 INFO L479 AbstractCegarLoop]: Abstraction has 208 states and 258 transitions. [2020-08-22 02:47:36,796 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-08-22 02:47:36,796 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 258 transitions. [2020-08-22 02:47:36,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-08-22 02:47:36,800 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 02:47:36,800 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] [2020-08-22 02:47:36,800 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 02:47:36,801 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 02:47:36,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 02:47:36,801 INFO L82 PathProgramCache]: Analyzing trace with hash -1286343955, now seen corresponding path program 1 times [2020-08-22 02:47:36,801 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 02:47:36,802 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2059350701] [2020-08-22 02:47:36,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 02:47:36,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:47:38,115 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 499 [2020-08-22 02:47:38,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 02:47:38,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:47:38,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 02:47:38,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:47:38,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 02:47:38,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:47:38,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 02:47:38,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:47:38,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 02:47:38,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:47:38,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 02:47:38,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:47:38,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 02:47:38,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:47:38,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 02:47:38,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:47:38,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 02:47:38,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:47:38,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 02:47:38,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:47:38,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 02:47:38,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:47:38,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-08-22 02:47:38,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:47:38,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 02:47:38,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:47:38,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 02:47:38,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:47:38,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-08-22 02:47:38,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:47:38,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-08-22 02:47:38,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:47:38,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-08-22 02:47:38,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:47:38,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 02:47:38,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:47:38,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 02:47:38,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:47:38,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-08-22 02:47:38,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:47:38,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-08-22 02:47:38,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:47:38,490 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-08-22 02:47:38,491 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2059350701] [2020-08-22 02:47:38,491 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 02:47:38,491 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-08-22 02:47:38,492 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925735058] [2020-08-22 02:47:38,493 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-08-22 02:47:38,494 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 02:47:38,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-08-22 02:47:38,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-08-22 02:47:38,494 INFO L87 Difference]: Start difference. First operand 208 states and 258 transitions. Second operand 13 states. [2020-08-22 02:47:40,231 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 502 [2020-08-22 02:47:41,815 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 501 [2020-08-22 02:47:43,029 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 504 [2020-08-22 02:47:44,238 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 504 [2020-08-22 02:47:48,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 02:47:48,731 INFO L93 Difference]: Finished difference Result 509 states and 668 transitions. [2020-08-22 02:47:48,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-08-22 02:47:48,731 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 127 [2020-08-22 02:47:48,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 02:47:48,735 INFO L225 Difference]: With dead ends: 509 [2020-08-22 02:47:48,735 INFO L226 Difference]: Without dead ends: 346 [2020-08-22 02:47:48,739 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=206, Invalid=664, Unknown=0, NotChecked=0, Total=870 [2020-08-22 02:47:48,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2020-08-22 02:47:48,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 212. [2020-08-22 02:47:48,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2020-08-22 02:47:48,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 262 transitions. [2020-08-22 02:47:48,848 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 262 transitions. Word has length 127 [2020-08-22 02:47:48,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 02:47:48,849 INFO L479 AbstractCegarLoop]: Abstraction has 212 states and 262 transitions. [2020-08-22 02:47:48,849 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-08-22 02:47:48,849 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 262 transitions. [2020-08-22 02:47:48,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-08-22 02:47:48,852 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 02:47:48,852 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] [2020-08-22 02:47:48,853 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 02:47:48,853 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 02:47:48,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 02:47:48,853 INFO L82 PathProgramCache]: Analyzing trace with hash -919207694, now seen corresponding path program 2 times [2020-08-22 02:47:48,854 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 02:47:48,854 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [364175636] [2020-08-22 02:47:48,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 02:47:48,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:47:50,140 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 499 [2020-08-22 02:47:50,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 02:47:50,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:47:50,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 02:47:50,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:47:50,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 02:47:50,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:47:50,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 02:47:50,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:47:50,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 02:47:50,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:47:50,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 02:47:50,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:47:50,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 02:47:50,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:47:50,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 02:47:50,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:47:50,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 02:47:50,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:47:50,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 02:47:50,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:47:50,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 02:47:50,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:47:50,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-08-22 02:47:50,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:47:50,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 02:47:50,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:47:50,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 02:47:50,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:47:50,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-08-22 02:47:50,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:47:50,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-08-22 02:47:50,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:47:50,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-08-22 02:47:50,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:47:50,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-08-22 02:47:50,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:47:50,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 02:47:50,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:47:50,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-08-22 02:47:50,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:47:50,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-08-22 02:47:50,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:47:50,521 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-08-22 02:47:50,521 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [364175636] [2020-08-22 02:47:50,522 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 02:47:50,522 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-08-22 02:47:50,523 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083859536] [2020-08-22 02:47:50,525 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-08-22 02:47:50,526 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 02:47:50,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-08-22 02:47:50,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-08-22 02:47:50,527 INFO L87 Difference]: Start difference. First operand 212 states and 262 transitions. Second operand 13 states. [2020-08-22 02:47:52,475 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 502 [2020-08-22 02:47:54,046 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 501 [2020-08-22 02:47:55,208 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 504 [2020-08-22 02:47:56,375 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 504 [2020-08-22 02:48:00,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 02:48:00,707 INFO L93 Difference]: Finished difference Result 509 states and 667 transitions. [2020-08-22 02:48:00,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-08-22 02:48:00,708 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 128 [2020-08-22 02:48:00,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 02:48:00,711 INFO L225 Difference]: With dead ends: 509 [2020-08-22 02:48:00,711 INFO L226 Difference]: Without dead ends: 348 [2020-08-22 02:48:00,713 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 [2020-08-22 02:48:00,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2020-08-22 02:48:00,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 212. [2020-08-22 02:48:00,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2020-08-22 02:48:00,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 261 transitions. [2020-08-22 02:48:00,813 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 261 transitions. Word has length 128 [2020-08-22 02:48:00,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 02:48:00,813 INFO L479 AbstractCegarLoop]: Abstraction has 212 states and 261 transitions. [2020-08-22 02:48:00,814 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-08-22 02:48:00,814 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 261 transitions. [2020-08-22 02:48:00,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-08-22 02:48:00,816 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 02:48:00,816 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] [2020-08-22 02:48:00,817 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 02:48:00,817 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 02:48:00,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 02:48:00,817 INFO L82 PathProgramCache]: Analyzing trace with hash 1494009384, now seen corresponding path program 1 times [2020-08-22 02:48:00,817 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 02:48:00,818 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [489240595] [2020-08-22 02:48:00,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 02:48:00,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:48:01,982 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 499 [2020-08-22 02:48:01,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 02:48:01,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:48:02,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 02:48:02,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:48:02,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 02:48:02,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:48:02,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 02:48:02,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:48:02,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 02:48:02,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:48:02,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 02:48:02,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:48:02,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 02:48:02,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:48:02,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 02:48:02,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:48:02,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 02:48:02,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:48:02,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 02:48:02,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:48:02,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 02:48:02,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:48:02,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-08-22 02:48:02,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:48:02,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 02:48:02,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:48:02,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 02:48:02,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:48:02,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 02:48:02,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:48:02,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 02:48:02,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:48:02,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-08-22 02:48:02,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:48:02,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-08-22 02:48:02,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:48:02,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 02:48:02,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:48:02,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-08-22 02:48:02,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:48:02,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 02:48:02,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:48:02,236 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-08-22 02:48:02,237 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [489240595] [2020-08-22 02:48:02,237 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 02:48:02,238 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-22 02:48:02,238 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881704926] [2020-08-22 02:48:02,240 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-22 02:48:02,240 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 02:48:02,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-22 02:48:02,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-08-22 02:48:02,241 INFO L87 Difference]: Start difference. First operand 212 states and 261 transitions. Second operand 9 states. [2020-08-22 02:48:04,522 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 502 [2020-08-22 02:48:08,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 02:48:08,707 INFO L93 Difference]: Finished difference Result 463 states and 594 transitions. [2020-08-22 02:48:08,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-22 02:48:08,708 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 129 [2020-08-22 02:48:08,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 02:48:08,711 INFO L225 Difference]: With dead ends: 463 [2020-08-22 02:48:08,711 INFO L226 Difference]: Without dead ends: 347 [2020-08-22 02:48:08,712 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=66, Invalid=116, Unknown=0, NotChecked=0, Total=182 [2020-08-22 02:48:08,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2020-08-22 02:48:08,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 214. [2020-08-22 02:48:08,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2020-08-22 02:48:08,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 263 transitions. [2020-08-22 02:48:08,807 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 263 transitions. Word has length 129 [2020-08-22 02:48:08,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 02:48:08,807 INFO L479 AbstractCegarLoop]: Abstraction has 214 states and 263 transitions. [2020-08-22 02:48:08,807 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-22 02:48:08,808 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 263 transitions. [2020-08-22 02:48:08,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-08-22 02:48:08,810 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 02:48:08,810 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] [2020-08-22 02:48:08,810 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-22 02:48:08,810 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 02:48:08,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 02:48:08,811 INFO L82 PathProgramCache]: Analyzing trace with hash -1709287427, now seen corresponding path program 1 times [2020-08-22 02:48:08,811 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 02:48:08,811 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1814445313] [2020-08-22 02:48:08,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 02:48:08,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:48:10,117 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 499 [2020-08-22 02:48:10,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 02:48:10,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:48:10,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 02:48:10,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:48:10,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 02:48:10,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:48:10,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 02:48:10,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:48:10,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 02:48:10,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:48:10,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 02:48:10,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:48:10,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 02:48:10,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:48:10,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 02:48:10,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:48:10,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 02:48:10,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:48:10,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 02:48:10,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:48:10,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 02:48:10,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:48:10,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-22 02:48:10,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:48:10,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 02:48:10,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:48:10,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 02:48:10,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:48:10,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-08-22 02:48:10,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:48:10,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-08-22 02:48:10,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:48:10,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-08-22 02:48:10,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:48:10,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-08-22 02:48:10,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:48:10,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 02:48:10,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:48:10,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-08-22 02:48:10,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:48:10,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-08-22 02:48:10,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:48:10,335 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-08-22 02:48:10,335 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1814445313] [2020-08-22 02:48:10,335 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 02:48:10,336 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-22 02:48:10,336 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002468518] [2020-08-22 02:48:10,336 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 02:48:10,337 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 02:48:10,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 02:48:10,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-08-22 02:48:10,337 INFO L87 Difference]: Start difference. First operand 214 states and 263 transitions. Second operand 10 states. [2020-08-22 02:48:12,526 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 502 [2020-08-22 02:48:13,711 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 502 [2020-08-22 02:48:17,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 02:48:17,680 INFO L93 Difference]: Finished difference Result 495 states and 651 transitions. [2020-08-22 02:48:17,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-22 02:48:17,681 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 134 [2020-08-22 02:48:17,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 02:48:17,684 INFO L225 Difference]: With dead ends: 495 [2020-08-22 02:48:17,684 INFO L226 Difference]: Without dead ends: 379 [2020-08-22 02:48:17,685 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=98, Invalid=174, Unknown=0, NotChecked=0, Total=272 [2020-08-22 02:48:17,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2020-08-22 02:48:17,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 241. [2020-08-22 02:48:17,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 241 states. [2020-08-22 02:48:17,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 313 transitions. [2020-08-22 02:48:17,802 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 313 transitions. Word has length 134 [2020-08-22 02:48:17,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 02:48:17,803 INFO L479 AbstractCegarLoop]: Abstraction has 241 states and 313 transitions. [2020-08-22 02:48:17,803 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 02:48:17,803 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 313 transitions. [2020-08-22 02:48:17,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-08-22 02:48:17,805 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 02:48:17,805 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] [2020-08-22 02:48:17,806 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-22 02:48:17,806 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 02:48:17,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 02:48:17,806 INFO L82 PathProgramCache]: Analyzing trace with hash 903324488, now seen corresponding path program 2 times [2020-08-22 02:48:17,807 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 02:48:17,807 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1235700895] [2020-08-22 02:48:17,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 02:48:17,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:48:19,291 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 499 [2020-08-22 02:48:19,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 02:48:19,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:48:19,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 02:48:19,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:48:19,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 02:48:19,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:48:19,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 02:48:19,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:48:19,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 02:48:19,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:48:19,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 02:48:19,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:48:19,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 02:48:19,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:48:19,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 02:48:19,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:48:19,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 02:48:19,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:48:19,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 02:48:19,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:48:19,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 02:48:19,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:48:19,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-08-22 02:48:19,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:48:19,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 02:48:19,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:48:19,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 02:48:19,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:48:19,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-08-22 02:48:19,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:48:19,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-08-22 02:48:19,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:48:19,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 02:48:19,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:48:19,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-08-22 02:48:19,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:48:19,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 02:48:19,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:48:19,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-08-22 02:48:19,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:48:19,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-08-22 02:48:19,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 02:48:19,525 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-08-22 02:48:19,525 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1235700895] [2020-08-22 02:48:19,526 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 02:48:19,527 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-08-22 02:48:19,527 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894399821] [2020-08-22 02:48:19,527 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-22 02:48:19,527 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 02:48:19,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-22 02:48:19,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-08-22 02:48:19,529 INFO L87 Difference]: Start difference. First operand 241 states and 313 transitions. Second operand 12 states.