/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=0.5 --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 06:01:33,883 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 06:01:33,886 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 06:01:33,926 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 06:01:33,927 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 06:01:33,937 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 06:01:33,940 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 06:01:33,944 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 06:01:33,946 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 06:01:33,950 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 06:01:33,951 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 06:01:33,952 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 06:01:33,952 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 06:01:33,955 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 06:01:33,958 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 06:01:33,960 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 06:01:33,962 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 06:01:33,963 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 06:01:33,965 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 06:01:33,973 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 06:01:33,975 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 06:01:33,976 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 06:01:33,976 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 06:01:33,977 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 06:01:33,979 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-22 06:01:33,979 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-22 06:01:33,979 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-22 06:01:33,980 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-22 06:01:33,981 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-22 06:01:33,982 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-22 06:01:33,982 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-22 06:01:33,983 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-22 06:01:33,983 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-22 06:01:33,984 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-22 06:01:33,985 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-22 06:01:33,985 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-22 06:01:33,986 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-22 06:01:33,986 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-22 06:01:33,987 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 06:01:33,987 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 06:01:33,988 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 06:01:33,989 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 06:01:34,012 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 06:01:34,012 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 06:01:34,014 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-22 06:01:34,014 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-22 06:01:34,014 INFO L138 SettingsManager]: * Use SBE=true [2020-08-22 06:01:34,014 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 06:01:34,015 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 06:01:34,015 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 06:01:34,015 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 06:01:34,015 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 06:01:34,016 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 06:01:34,016 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 06:01:34,016 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 06:01:34,016 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 06:01:34,016 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 06:01:34,017 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 06:01:34,017 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 06:01:34,017 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 06:01:34,017 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-22 06:01:34,017 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 06:01:34,018 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 06:01:34,018 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 06:01:34,018 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 06:01:34,018 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-22 06:01:34,019 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-22 06:01:34,019 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-22 06:01:34,019 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-22 06:01:34,019 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 06:01:34,020 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-22 06:01:34,020 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=0.5;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=0.5;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=0.5;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=0.5;log-additional-information=true; [2020-08-22 06:01:34,331 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 06:01:34,346 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 06:01:34,354 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 06:01:34,356 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 06:01:34,357 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 06:01:34,358 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec11_product03.cil.c [2020-08-22 06:01:34,438 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a17a16c14/d878088ccadb4635832bb5b0b5832c39/FLAG64b085dbb [2020-08-22 06:01:35,057 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 06:01:35,058 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/email_spec11_product03.cil.c [2020-08-22 06:01:35,081 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a17a16c14/d878088ccadb4635832bb5b0b5832c39/FLAG64b085dbb [2020-08-22 06:01:35,346 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a17a16c14/d878088ccadb4635832bb5b0b5832c39 [2020-08-22 06:01:35,357 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 06:01:35,359 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 06:01:35,360 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 06:01:35,360 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 06:01:35,365 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 06:01:35,366 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 06:01:35" (1/1) ... [2020-08-22 06:01:35,368 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30847a1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:01:35, skipping insertion in model container [2020-08-22 06:01:35,369 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 06:01:35" (1/1) ... [2020-08-22 06:01:35,377 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 06:01:35,439 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 06:01:36,120 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 06:01:36,135 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 06:01:36,299 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 06:01:36,380 INFO L208 MainTranslator]: Completed translation [2020-08-22 06:01:36,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:01:36 WrapperNode [2020-08-22 06:01:36,381 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 06:01:36,382 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 06:01:36,382 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 06:01:36,382 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 06:01:36,397 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:01:36" (1/1) ... [2020-08-22 06:01:36,399 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:01:36" (1/1) ... [2020-08-22 06:01:36,448 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:01:36" (1/1) ... [2020-08-22 06:01:36,448 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:01:36" (1/1) ... [2020-08-22 06:01:36,526 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:01:36" (1/1) ... [2020-08-22 06:01:36,557 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:01:36" (1/1) ... [2020-08-22 06:01:36,573 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:01:36" (1/1) ... [2020-08-22 06:01:36,604 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 06:01:36,605 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 06:01:36,605 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 06:01:36,605 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 06:01:36,608 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:01:36" (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 06:01:36,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 06:01:36,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 06:01:36,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-22 06:01:36,694 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2020-08-22 06:01:36,694 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2020-08-22 06:01:36,694 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2020-08-22 06:01:36,694 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2020-08-22 06:01:36,695 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2020-08-22 06:01:36,695 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-22 06:01:36,696 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 06:01:36,696 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2020-08-22 06:01:36,696 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-22 06:01:36,697 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-22 06:01:36,697 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-22 06:01:36,697 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-22 06:01:36,698 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-22 06:01:36,698 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2020-08-22 06:01:36,698 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2020-08-22 06:01:36,699 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2020-08-22 06:01:36,699 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2020-08-22 06:01:36,699 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2020-08-22 06:01:36,699 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2020-08-22 06:01:36,700 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2020-08-22 06:01:36,700 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2020-08-22 06:01:36,701 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2020-08-22 06:01:36,701 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2020-08-22 06:01:36,701 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2020-08-22 06:01:36,701 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2020-08-22 06:01:36,702 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2020-08-22 06:01:36,702 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2020-08-22 06:01:36,702 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2020-08-22 06:01:36,702 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2020-08-22 06:01:36,702 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2020-08-22 06:01:36,703 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2020-08-22 06:01:36,703 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2020-08-22 06:01:36,703 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2020-08-22 06:01:36,703 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2020-08-22 06:01:36,703 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2020-08-22 06:01:36,703 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2020-08-22 06:01:36,704 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2020-08-22 06:01:36,704 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Base [2020-08-22 06:01:36,704 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2020-08-22 06:01:36,704 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2020-08-22 06:01:36,704 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2020-08-22 06:01:36,704 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2020-08-22 06:01:36,705 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2020-08-22 06:01:36,705 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2020-08-22 06:01:36,705 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2020-08-22 06:01:36,705 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2020-08-22 06:01:36,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptAutoResponder_spec__1 [2020-08-22 06:01:36,706 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-22 06:01:36,706 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2020-08-22 06:01:36,706 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-22 06:01:36,707 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-22 06:01:36,707 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-22 06:01:36,707 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-22 06:01:36,707 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-22 06:01:36,708 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-22 06:01:36,708 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2020-08-22 06:01:36,708 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2020-08-22 06:01:36,708 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2020-08-22 06:01:36,708 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2020-08-22 06:01:36,709 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2020-08-22 06:01:36,709 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2020-08-22 06:01:36,709 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2020-08-22 06:01:36,709 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2020-08-22 06:01:36,710 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2020-08-22 06:01:36,710 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2020-08-22 06:01:36,710 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2020-08-22 06:01:36,710 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2020-08-22 06:01:36,710 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2020-08-22 06:01:36,711 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2020-08-22 06:01:36,712 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2020-08-22 06:01:36,712 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2020-08-22 06:01:36,713 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2020-08-22 06:01:36,714 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2020-08-22 06:01:36,714 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2020-08-22 06:01:36,714 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2020-08-22 06:01:36,714 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2020-08-22 06:01:36,714 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2020-08-22 06:01:36,714 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2020-08-22 06:01:36,715 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2020-08-22 06:01:36,716 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2020-08-22 06:01:36,716 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2020-08-22 06:01:36,716 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2020-08-22 06:01:36,716 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2020-08-22 06:01:36,717 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2020-08-22 06:01:36,717 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2020-08-22 06:01:36,717 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2020-08-22 06:01:36,717 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2020-08-22 06:01:36,717 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2020-08-22 06:01:36,718 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 06:01:36,718 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 06:01:36,718 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-22 06:01:36,718 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-08-22 06:01:36,718 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2020-08-22 06:01:36,719 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2020-08-22 06:01:36,719 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-22 06:01:36,719 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-22 06:01:36,719 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-22 06:01:36,719 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2020-08-22 06:01:36,720 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2020-08-22 06:01:36,720 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2020-08-22 06:01:36,720 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2020-08-22 06:01:36,720 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2020-08-22 06:01:36,720 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2020-08-22 06:01:36,721 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2020-08-22 06:01:36,721 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2020-08-22 06:01:36,721 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2020-08-22 06:01:36,721 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2020-08-22 06:01:36,721 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-22 06:01:36,721 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-22 06:01:36,722 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 06:01:36,722 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2020-08-22 06:01:36,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-22 06:01:36,723 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-22 06:01:36,723 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2020-08-22 06:01:36,724 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2020-08-22 06:01:36,724 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2020-08-22 06:01:36,725 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2020-08-22 06:01:36,725 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2020-08-22 06:01:36,725 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2020-08-22 06:01:36,726 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2020-08-22 06:01:36,727 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2020-08-22 06:01:36,728 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2020-08-22 06:01:36,728 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2020-08-22 06:01:36,728 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2020-08-22 06:01:36,728 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2020-08-22 06:01:36,729 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2020-08-22 06:01:36,729 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2020-08-22 06:01:36,734 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2020-08-22 06:01:36,734 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2020-08-22 06:01:36,734 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2020-08-22 06:01:36,735 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2020-08-22 06:01:36,735 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2020-08-22 06:01:36,735 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2020-08-22 06:01:36,736 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2020-08-22 06:01:36,736 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2020-08-22 06:01:36,736 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2020-08-22 06:01:36,736 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2020-08-22 06:01:36,736 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2020-08-22 06:01:36,737 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2020-08-22 06:01:36,737 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2020-08-22 06:01:36,744 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2020-08-22 06:01:36,746 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2020-08-22 06:01:36,746 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2020-08-22 06:01:36,746 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2020-08-22 06:01:36,746 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Base [2020-08-22 06:01:36,746 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptAutoResponder_spec__1 [2020-08-22 06:01:36,746 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-22 06:01:36,747 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2020-08-22 06:01:36,747 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2020-08-22 06:01:36,747 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-22 06:01:36,747 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-22 06:01:36,747 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-22 06:01:36,747 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-22 06:01:36,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-22 06:01:36,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-22 06:01:36,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-22 06:01:36,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-22 06:01:36,748 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-22 06:01:36,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-22 06:01:36,749 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-22 06:01:36,749 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-22 06:01:36,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-22 06:01:36,749 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-22 06:01:36,749 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-22 06:01:36,749 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-22 06:01:36,750 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2020-08-22 06:01:36,750 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2020-08-22 06:01:36,750 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2020-08-22 06:01:36,750 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2020-08-22 06:01:36,750 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2020-08-22 06:01:36,750 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2020-08-22 06:01:36,750 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2020-08-22 06:01:36,751 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2020-08-22 06:01:36,751 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2020-08-22 06:01:36,751 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2020-08-22 06:01:36,751 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2020-08-22 06:01:36,751 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2020-08-22 06:01:36,751 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2020-08-22 06:01:36,752 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2020-08-22 06:01:36,752 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2020-08-22 06:01:36,752 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2020-08-22 06:01:36,752 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2020-08-22 06:01:36,752 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2020-08-22 06:01:36,752 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2020-08-22 06:01:36,752 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2020-08-22 06:01:36,753 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2020-08-22 06:01:36,753 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2020-08-22 06:01:36,753 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2020-08-22 06:01:36,753 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2020-08-22 06:01:36,753 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2020-08-22 06:01:36,753 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2020-08-22 06:01:36,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 06:01:36,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-22 06:01:36,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 06:01:38,636 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 06:01:38,637 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-08-22 06:01:38,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 06:01:38 BoogieIcfgContainer [2020-08-22 06:01:38,643 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 06:01:38,644 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 06:01:38,644 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 06:01:38,648 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 06:01:38,648 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 06:01:35" (1/3) ... [2020-08-22 06:01:38,649 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7aae58c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 06:01:38, skipping insertion in model container [2020-08-22 06:01:38,649 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:01:36" (2/3) ... [2020-08-22 06:01:38,649 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7aae58c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 06:01:38, skipping insertion in model container [2020-08-22 06:01:38,649 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 06:01:38" (3/3) ... [2020-08-22 06:01:38,651 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec11_product03.cil.c [2020-08-22 06:01:38,663 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 06:01:38,672 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 06:01:38,687 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 06:01:38,716 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 06:01:38,717 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 06:01:38,717 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-22 06:01:38,717 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 06:01:38,717 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 06:01:38,717 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 06:01:38,718 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 06:01:38,718 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 06:01:38,744 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states. [2020-08-22 06:01:38,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-08-22 06:01:38,759 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:01:38,760 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 06:01:38,760 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 06:01:38,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:01:38,767 INFO L82 PathProgramCache]: Analyzing trace with hash -1055446932, now seen corresponding path program 1 times [2020-08-22 06:01:38,774 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:01:38,775 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [693104219] [2020-08-22 06:01:38,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:01:39,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:01:40,631 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 499 [2020-08-22 06:01:40,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:01:40,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:01:40,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 06:01:40,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:01:40,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 06:01:40,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:01:40,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 06:01:40,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:01:40,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 06:01:40,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:01:40,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 06:01:40,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:01:40,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 06:01:40,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:01:40,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 06:01:40,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:01:40,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 06:01:40,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:01:40,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-08-22 06:01:40,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:01:40,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 06:01:40,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:01:40,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-08-22 06:01:40,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:01:40,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 06:01:40,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:01:40,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 06:01:40,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:01:40,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-22 06:01:40,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:01:40,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-08-22 06:01:40,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:01:41,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 06:01:41,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:01:41,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-08-22 06:01:41,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:01:41,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 06:01:41,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:01:41,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-08-22 06:01:41,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:01:41,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-08-22 06:01:41,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:01:41,078 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 06:01:41,079 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [693104219] [2020-08-22 06:01:41,081 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 06:01:41,081 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-08-22 06:01:41,082 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [384766333] [2020-08-22 06:01:41,088 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-08-22 06:01:41,089 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:01:41,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-08-22 06:01:41,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-08-22 06:01:41,106 INFO L87 Difference]: Start difference. First operand 220 states. Second operand 13 states. [2020-08-22 06:01:43,176 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 502 [2020-08-22 06:01:44,672 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 501 [2020-08-22 06:01:45,927 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 504 [2020-08-22 06:01:47,171 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 504 [2020-08-22 06:01:53,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:01:53,121 INFO L93 Difference]: Finished difference Result 573 states and 804 transitions. [2020-08-22 06:01:53,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-08-22 06:01:53,126 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 125 [2020-08-22 06:01:53,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:01:53,156 INFO L225 Difference]: With dead ends: 573 [2020-08-22 06:01:53,156 INFO L226 Difference]: Without dead ends: 340 [2020-08-22 06:01:53,163 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 254 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=274, Invalid=916, Unknown=0, NotChecked=0, Total=1190 [2020-08-22 06:01:53,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2020-08-22 06:01:53,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 208. [2020-08-22 06:01:53,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2020-08-22 06:01:53,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 258 transitions. [2020-08-22 06:01:53,343 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 258 transitions. Word has length 125 [2020-08-22 06:01:53,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:01:53,344 INFO L479 AbstractCegarLoop]: Abstraction has 208 states and 258 transitions. [2020-08-22 06:01:53,344 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-08-22 06:01:53,344 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 258 transitions. [2020-08-22 06:01:53,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-08-22 06:01:53,348 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:01:53,348 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 06:01:53,348 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 06:01:53,349 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 06:01:53,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:01:53,349 INFO L82 PathProgramCache]: Analyzing trace with hash -1286343955, now seen corresponding path program 1 times [2020-08-22 06:01:53,349 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:01:53,350 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1318934072] [2020-08-22 06:01:53,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:01:53,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:01:54,536 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 499 [2020-08-22 06:01:54,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:01:54,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:01:54,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 06:01:54,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:01:54,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 06:01:54,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:01:54,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 06:01:54,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:01:54,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 06:01:54,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:01:54,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 06:01:54,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:01:54,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 06:01:54,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:01:54,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 06:01:54,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:01:54,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 06:01:54,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:01:54,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 06:01:54,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:01:54,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 06:01:54,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:01:54,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-08-22 06:01:54,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:01:54,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 06:01:54,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:01:54,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 06:01:54,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:01:54,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-08-22 06:01:54,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:01:54,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-08-22 06:01:54,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:01:54,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-08-22 06:01:54,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:01:54,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 06:01:54,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:01:54,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 06:01:54,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:01:54,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-08-22 06:01:54,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:01:54,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-08-22 06:01:54,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:01:54,906 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 06:01:54,907 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1318934072] [2020-08-22 06:01:54,907 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 06:01:54,908 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-08-22 06:01:54,908 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299757557] [2020-08-22 06:01:54,911 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-08-22 06:01:54,911 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:01:54,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-08-22 06:01:54,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-08-22 06:01:54,912 INFO L87 Difference]: Start difference. First operand 208 states and 258 transitions. Second operand 13 states. [2020-08-22 06:01:56,572 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 502 [2020-08-22 06:01:58,123 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 501 [2020-08-22 06:01:59,376 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 504 [2020-08-22 06:02:00,586 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 504 [2020-08-22 06:02:05,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:02:05,144 INFO L93 Difference]: Finished difference Result 509 states and 668 transitions. [2020-08-22 06:02:05,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-08-22 06:02:05,146 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 127 [2020-08-22 06:02:05,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:02:05,150 INFO L225 Difference]: With dead ends: 509 [2020-08-22 06:02:05,150 INFO L226 Difference]: Without dead ends: 346 [2020-08-22 06:02:05,152 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 06:02:05,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2020-08-22 06:02:05,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 212. [2020-08-22 06:02:05,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2020-08-22 06:02:05,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 262 transitions. [2020-08-22 06:02:05,261 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 262 transitions. Word has length 127 [2020-08-22 06:02:05,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:02:05,261 INFO L479 AbstractCegarLoop]: Abstraction has 212 states and 262 transitions. [2020-08-22 06:02:05,261 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-08-22 06:02:05,262 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 262 transitions. [2020-08-22 06:02:05,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-08-22 06:02:05,264 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:02:05,264 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 06:02:05,265 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 06:02:05,265 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 06:02:05,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:02:05,265 INFO L82 PathProgramCache]: Analyzing trace with hash -919207694, now seen corresponding path program 2 times [2020-08-22 06:02:05,266 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:02:05,266 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1013785464] [2020-08-22 06:02:05,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:02:05,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:06,508 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 499 [2020-08-22 06:02:06,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:02:06,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:06,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 06:02:06,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:06,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 06:02:06,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:06,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 06:02:06,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:06,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 06:02:06,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:06,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 06:02:06,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:06,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 06:02:06,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:06,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 06:02:06,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:06,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 06:02:06,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:06,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 06:02:06,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:06,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 06:02:06,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:06,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-08-22 06:02:06,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:06,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 06:02:06,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:06,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 06:02:06,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:06,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-08-22 06:02:06,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:06,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-08-22 06:02:06,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:06,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-08-22 06:02:06,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:06,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-08-22 06:02:06,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:06,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 06:02:06,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:06,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-08-22 06:02:06,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:06,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-08-22 06:02:06,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:06,885 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 06:02:06,886 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1013785464] [2020-08-22 06:02:06,886 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 06:02:06,886 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-08-22 06:02:06,887 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073956005] [2020-08-22 06:02:06,889 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-08-22 06:02:06,889 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:02:06,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-08-22 06:02:06,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-08-22 06:02:06,890 INFO L87 Difference]: Start difference. First operand 212 states and 262 transitions. Second operand 13 states. [2020-08-22 06:02:08,881 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 502 [2020-08-22 06:02:10,460 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 501 [2020-08-22 06:02:11,606 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 504 [2020-08-22 06:02:12,773 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 504 [2020-08-22 06:02:17,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:02:17,088 INFO L93 Difference]: Finished difference Result 509 states and 667 transitions. [2020-08-22 06:02:17,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-08-22 06:02:17,088 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 128 [2020-08-22 06:02:17,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:02:17,092 INFO L225 Difference]: With dead ends: 509 [2020-08-22 06:02:17,092 INFO L226 Difference]: Without dead ends: 348 [2020-08-22 06:02:17,093 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 06:02:17,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2020-08-22 06:02:17,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 212. [2020-08-22 06:02:17,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2020-08-22 06:02:17,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 261 transitions. [2020-08-22 06:02:17,196 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 261 transitions. Word has length 128 [2020-08-22 06:02:17,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:02:17,196 INFO L479 AbstractCegarLoop]: Abstraction has 212 states and 261 transitions. [2020-08-22 06:02:17,197 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-08-22 06:02:17,197 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 261 transitions. [2020-08-22 06:02:17,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-08-22 06:02:17,199 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:02:17,199 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 06:02:17,199 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 06:02:17,199 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 06:02:17,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:02:17,200 INFO L82 PathProgramCache]: Analyzing trace with hash 1494009384, now seen corresponding path program 1 times [2020-08-22 06:02:17,200 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:02:17,200 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1420240424] [2020-08-22 06:02:17,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:02:17,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:18,615 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 499 [2020-08-22 06:02:18,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:02:18,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:18,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 06:02:18,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:18,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 06:02:18,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:18,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 06:02:18,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:18,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 06:02:18,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:18,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 06:02:18,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:18,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 06:02:18,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:18,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 06:02:18,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:18,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 06:02:18,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:18,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 06:02:18,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:18,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 06:02:18,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:18,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-08-22 06:02:18,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:18,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 06:02:18,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:18,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 06:02:18,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:18,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 06:02:18,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:18,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 06:02:18,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:18,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-08-22 06:02:18,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:18,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-08-22 06:02:18,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:18,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 06:02:18,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:18,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-08-22 06:02:18,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:18,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 06:02:18,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:18,885 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 06:02:18,886 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1420240424] [2020-08-22 06:02:18,886 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 06:02:18,886 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-22 06:02:18,887 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622298235] [2020-08-22 06:02:18,887 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-22 06:02:18,888 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:02:18,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-22 06:02:18,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-08-22 06:02:18,888 INFO L87 Difference]: Start difference. First operand 212 states and 261 transitions. Second operand 9 states. [2020-08-22 06:02:21,147 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 502 [2020-08-22 06:02:25,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:02:25,261 INFO L93 Difference]: Finished difference Result 463 states and 594 transitions. [2020-08-22 06:02:25,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-22 06:02:25,262 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 129 [2020-08-22 06:02:25,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:02:25,265 INFO L225 Difference]: With dead ends: 463 [2020-08-22 06:02:25,265 INFO L226 Difference]: Without dead ends: 347 [2020-08-22 06:02:25,266 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=66, Invalid=116, Unknown=0, NotChecked=0, Total=182 [2020-08-22 06:02:25,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2020-08-22 06:02:25,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 214. [2020-08-22 06:02:25,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2020-08-22 06:02:25,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 263 transitions. [2020-08-22 06:02:25,353 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 263 transitions. Word has length 129 [2020-08-22 06:02:25,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:02:25,354 INFO L479 AbstractCegarLoop]: Abstraction has 214 states and 263 transitions. [2020-08-22 06:02:25,354 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-22 06:02:25,354 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 263 transitions. [2020-08-22 06:02:25,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-08-22 06:02:25,355 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:02:25,356 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 06:02:25,356 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-22 06:02:25,356 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 06:02:25,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:02:25,357 INFO L82 PathProgramCache]: Analyzing trace with hash -1709287427, now seen corresponding path program 1 times [2020-08-22 06:02:25,357 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:02:25,357 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1578454177] [2020-08-22 06:02:25,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:02:25,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:26,593 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 499 [2020-08-22 06:02:26,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:02:26,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:26,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 06:02:26,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:26,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 06:02:26,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:26,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 06:02:26,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:26,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 06:02:26,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:26,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 06:02:26,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:26,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 06:02:26,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:26,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 06:02:26,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:26,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 06:02:26,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:26,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 06:02:26,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:26,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 06:02:26,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:26,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-22 06:02:26,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:26,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 06:02:26,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:26,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 06:02:26,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:26,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-08-22 06:02:26,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:26,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-08-22 06:02:26,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:26,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-08-22 06:02:26,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:26,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-08-22 06:02:26,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:26,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 06:02:26,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:26,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-08-22 06:02:26,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:26,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-08-22 06:02:26,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:26,818 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 06:02:26,819 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1578454177] [2020-08-22 06:02:26,819 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 06:02:26,819 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-22 06:02:26,820 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584118607] [2020-08-22 06:02:26,820 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 06:02:26,820 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:02:26,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 06:02:26,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-08-22 06:02:26,821 INFO L87 Difference]: Start difference. First operand 214 states and 263 transitions. Second operand 10 states. [2020-08-22 06:02:29,065 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 502 [2020-08-22 06:02:30,232 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 502 [2020-08-22 06:02:34,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:02:34,120 INFO L93 Difference]: Finished difference Result 495 states and 651 transitions. [2020-08-22 06:02:34,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-22 06:02:34,125 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 134 [2020-08-22 06:02:34,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:02:34,129 INFO L225 Difference]: With dead ends: 495 [2020-08-22 06:02:34,129 INFO L226 Difference]: Without dead ends: 379 [2020-08-22 06:02:34,130 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=98, Invalid=174, Unknown=0, NotChecked=0, Total=272 [2020-08-22 06:02:34,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2020-08-22 06:02:34,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 241. [2020-08-22 06:02:34,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 241 states. [2020-08-22 06:02:34,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 313 transitions. [2020-08-22 06:02:34,222 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 313 transitions. Word has length 134 [2020-08-22 06:02:34,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:02:34,222 INFO L479 AbstractCegarLoop]: Abstraction has 241 states and 313 transitions. [2020-08-22 06:02:34,223 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 06:02:34,223 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 313 transitions. [2020-08-22 06:02:34,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-08-22 06:02:34,225 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:02:34,225 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 06:02:34,225 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-22 06:02:34,225 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 06:02:34,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:02:34,226 INFO L82 PathProgramCache]: Analyzing trace with hash 903324488, now seen corresponding path program 2 times [2020-08-22 06:02:34,226 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:02:34,226 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [575343317] [2020-08-22 06:02:34,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:02:34,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:35,422 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 499 [2020-08-22 06:02:35,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:02:35,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:35,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 06:02:35,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:35,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 06:02:35,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:35,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 06:02:35,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:35,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 06:02:35,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:35,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 06:02:35,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:35,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 06:02:35,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:35,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 06:02:35,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:35,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 06:02:35,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:35,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 06:02:35,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:35,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 06:02:35,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:35,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-08-22 06:02:35,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:35,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 06:02:35,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:35,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 06:02:35,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:35,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-08-22 06:02:35,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:35,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-08-22 06:02:35,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:35,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 06:02:35,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:35,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-08-22 06:02:35,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:35,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 06:02:35,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:35,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-08-22 06:02:35,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:35,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-08-22 06:02:35,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:02:35,680 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 06:02:35,680 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [575343317] [2020-08-22 06:02:35,681 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 06:02:35,681 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-08-22 06:02:35,681 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552049512] [2020-08-22 06:02:35,682 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-22 06:02:35,682 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:02:35,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-22 06:02:35,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-08-22 06:02:35,683 INFO L87 Difference]: Start difference. First operand 241 states and 313 transitions. Second operand 12 states. [2020-08-22 06:02:37,283 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 502