/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.8 --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 01:09:32,975 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 01:09:32,978 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 01:09:33,022 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 01:09:33,024 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 01:09:33,035 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 01:09:33,041 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 01:09:33,044 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 01:09:33,046 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 01:09:33,046 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 01:09:33,047 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 01:09:33,049 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 01:09:33,049 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 01:09:33,052 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 01:09:33,054 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 01:09:33,055 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 01:09:33,057 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 01:09:33,060 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 01:09:33,063 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 01:09:33,068 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 01:09:33,069 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 01:09:33,074 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 01:09:33,075 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 01:09:33,076 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 01:09:33,079 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-22 01:09:33,080 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-22 01:09:33,080 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-22 01:09:33,082 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-22 01:09:33,082 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-22 01:09:33,084 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-22 01:09:33,084 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-22 01:09:33,086 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-22 01:09:33,086 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-22 01:09:33,087 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-22 01:09:33,088 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-22 01:09:33,089 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-22 01:09:33,089 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-22 01:09:33,090 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-22 01:09:33,090 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 01:09:33,091 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 01:09:33,092 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 01:09:33,094 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 01:09:33,135 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 01:09:33,135 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 01:09:33,136 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-22 01:09:33,137 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-22 01:09:33,137 INFO L138 SettingsManager]: * Use SBE=true [2020-08-22 01:09:33,137 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 01:09:33,137 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 01:09:33,137 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 01:09:33,138 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 01:09:33,138 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 01:09:33,138 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 01:09:33,138 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 01:09:33,138 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 01:09:33,139 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 01:09:33,139 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 01:09:33,139 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 01:09:33,139 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 01:09:33,139 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 01:09:33,139 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-22 01:09:33,140 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 01:09:33,140 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 01:09:33,140 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 01:09:33,140 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 01:09:33,140 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-22 01:09:33,141 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-22 01:09:33,141 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-22 01:09:33,141 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-22 01:09:33,141 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 01:09:33,141 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-22 01:09:33,142 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=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8;log-additional-information=true; [2020-08-22 01:09:33,464 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 01:09:33,477 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 01:09:33,482 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 01:09:33,484 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 01:09:33,485 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 01:09:33,486 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec11_product03.cil.c [2020-08-22 01:09:33,557 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8f851d498/eaf53c972f6a483eb36c781aa423a503/FLAGfe73699ae [2020-08-22 01:09:34,212 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 01:09:34,215 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/email_spec11_product03.cil.c [2020-08-22 01:09:34,243 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8f851d498/eaf53c972f6a483eb36c781aa423a503/FLAGfe73699ae [2020-08-22 01:09:34,397 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8f851d498/eaf53c972f6a483eb36c781aa423a503 [2020-08-22 01:09:34,405 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 01:09:34,407 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 01:09:34,408 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 01:09:34,408 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 01:09:34,410 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 01:09:34,411 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 01:09:34" (1/1) ... [2020-08-22 01:09:34,413 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11967da3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:09:34, skipping insertion in model container [2020-08-22 01:09:34,413 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 01:09:34" (1/1) ... [2020-08-22 01:09:34,419 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 01:09:34,477 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 01:09:35,136 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 01:09:35,151 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 01:09:35,315 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 01:09:35,424 INFO L208 MainTranslator]: Completed translation [2020-08-22 01:09:35,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:09:35 WrapperNode [2020-08-22 01:09:35,425 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 01:09:35,425 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 01:09:35,426 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 01:09:35,426 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 01:09:35,441 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:09:35" (1/1) ... [2020-08-22 01:09:35,441 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:09:35" (1/1) ... [2020-08-22 01:09:35,471 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:09:35" (1/1) ... [2020-08-22 01:09:35,472 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:09:35" (1/1) ... [2020-08-22 01:09:35,521 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:09:35" (1/1) ... [2020-08-22 01:09:35,543 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:09:35" (1/1) ... [2020-08-22 01:09:35,554 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:09:35" (1/1) ... [2020-08-22 01:09:35,570 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 01:09:35,570 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 01:09:35,571 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 01:09:35,571 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 01:09:35,572 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:09:35" (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 01:09:35,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 01:09:35,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 01:09:35,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-22 01:09:35,674 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2020-08-22 01:09:35,674 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2020-08-22 01:09:35,675 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2020-08-22 01:09:35,675 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2020-08-22 01:09:35,675 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2020-08-22 01:09:35,675 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-22 01:09:35,676 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 01:09:35,677 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2020-08-22 01:09:35,677 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-22 01:09:35,677 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-22 01:09:35,677 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-22 01:09:35,678 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-22 01:09:35,679 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-22 01:09:35,679 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2020-08-22 01:09:35,679 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2020-08-22 01:09:35,680 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2020-08-22 01:09:35,680 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2020-08-22 01:09:35,681 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2020-08-22 01:09:35,681 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2020-08-22 01:09:35,681 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2020-08-22 01:09:35,682 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2020-08-22 01:09:35,682 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2020-08-22 01:09:35,683 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2020-08-22 01:09:35,684 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2020-08-22 01:09:35,684 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2020-08-22 01:09:35,684 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2020-08-22 01:09:35,684 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2020-08-22 01:09:35,685 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2020-08-22 01:09:35,685 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2020-08-22 01:09:35,685 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2020-08-22 01:09:35,685 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2020-08-22 01:09:35,686 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2020-08-22 01:09:35,686 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2020-08-22 01:09:35,686 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2020-08-22 01:09:35,686 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2020-08-22 01:09:35,687 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2020-08-22 01:09:35,687 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2020-08-22 01:09:35,687 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Base [2020-08-22 01:09:35,687 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2020-08-22 01:09:35,688 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2020-08-22 01:09:35,688 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2020-08-22 01:09:35,688 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2020-08-22 01:09:35,688 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2020-08-22 01:09:35,688 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2020-08-22 01:09:35,688 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2020-08-22 01:09:35,689 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2020-08-22 01:09:35,689 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptAutoResponder_spec__1 [2020-08-22 01:09:35,689 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-22 01:09:35,689 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2020-08-22 01:09:35,690 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-22 01:09:35,690 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-22 01:09:35,690 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-22 01:09:35,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-22 01:09:35,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-22 01:09:35,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-22 01:09:35,691 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2020-08-22 01:09:35,692 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2020-08-22 01:09:35,692 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2020-08-22 01:09:35,692 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2020-08-22 01:09:35,692 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2020-08-22 01:09:35,692 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2020-08-22 01:09:35,692 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2020-08-22 01:09:35,693 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2020-08-22 01:09:35,693 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2020-08-22 01:09:35,693 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2020-08-22 01:09:35,693 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2020-08-22 01:09:35,694 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2020-08-22 01:09:35,694 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2020-08-22 01:09:35,695 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2020-08-22 01:09:35,696 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2020-08-22 01:09:35,696 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2020-08-22 01:09:35,697 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2020-08-22 01:09:35,698 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2020-08-22 01:09:35,698 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2020-08-22 01:09:35,698 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2020-08-22 01:09:35,699 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2020-08-22 01:09:35,699 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2020-08-22 01:09:35,699 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2020-08-22 01:09:35,699 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2020-08-22 01:09:35,700 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2020-08-22 01:09:35,701 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2020-08-22 01:09:35,701 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2020-08-22 01:09:35,701 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2020-08-22 01:09:35,701 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2020-08-22 01:09:35,701 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2020-08-22 01:09:35,702 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2020-08-22 01:09:35,702 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2020-08-22 01:09:35,702 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2020-08-22 01:09:35,702 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 01:09:35,702 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 01:09:35,703 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-22 01:09:35,703 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-08-22 01:09:35,703 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2020-08-22 01:09:35,703 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2020-08-22 01:09:35,703 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-22 01:09:35,703 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-22 01:09:35,704 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-22 01:09:35,704 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2020-08-22 01:09:35,704 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2020-08-22 01:09:35,704 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2020-08-22 01:09:35,704 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2020-08-22 01:09:35,705 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2020-08-22 01:09:35,705 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2020-08-22 01:09:35,705 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2020-08-22 01:09:35,705 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2020-08-22 01:09:35,705 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2020-08-22 01:09:35,705 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2020-08-22 01:09:35,706 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-22 01:09:35,706 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-22 01:09:35,706 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 01:09:35,706 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2020-08-22 01:09:35,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-22 01:09:35,706 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-22 01:09:35,707 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2020-08-22 01:09:35,707 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2020-08-22 01:09:35,708 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2020-08-22 01:09:35,709 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2020-08-22 01:09:35,709 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2020-08-22 01:09:35,709 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2020-08-22 01:09:35,709 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2020-08-22 01:09:35,710 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2020-08-22 01:09:35,710 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2020-08-22 01:09:35,710 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2020-08-22 01:09:35,711 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2020-08-22 01:09:35,711 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2020-08-22 01:09:35,711 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2020-08-22 01:09:35,712 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2020-08-22 01:09:35,715 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2020-08-22 01:09:35,715 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2020-08-22 01:09:35,716 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2020-08-22 01:09:35,716 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2020-08-22 01:09:35,716 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2020-08-22 01:09:35,717 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2020-08-22 01:09:35,718 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2020-08-22 01:09:35,718 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2020-08-22 01:09:35,718 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2020-08-22 01:09:35,718 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2020-08-22 01:09:35,718 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2020-08-22 01:09:35,718 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2020-08-22 01:09:35,719 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2020-08-22 01:09:35,726 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2020-08-22 01:09:35,727 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2020-08-22 01:09:35,727 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2020-08-22 01:09:35,727 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2020-08-22 01:09:35,727 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Base [2020-08-22 01:09:35,727 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptAutoResponder_spec__1 [2020-08-22 01:09:35,728 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-22 01:09:35,728 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2020-08-22 01:09:35,729 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2020-08-22 01:09:35,729 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-22 01:09:35,729 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-22 01:09:35,729 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-22 01:09:35,729 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-22 01:09:35,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-22 01:09:35,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-22 01:09:35,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-22 01:09:35,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-22 01:09:35,730 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-22 01:09:35,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-22 01:09:35,730 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-22 01:09:35,731 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-22 01:09:35,731 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-22 01:09:35,731 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-22 01:09:35,731 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-22 01:09:35,731 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-22 01:09:35,731 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2020-08-22 01:09:35,731 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2020-08-22 01:09:35,732 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2020-08-22 01:09:35,732 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2020-08-22 01:09:35,732 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2020-08-22 01:09:35,732 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2020-08-22 01:09:35,732 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2020-08-22 01:09:35,732 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2020-08-22 01:09:35,733 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2020-08-22 01:09:35,733 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2020-08-22 01:09:35,733 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2020-08-22 01:09:35,733 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2020-08-22 01:09:35,733 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2020-08-22 01:09:35,733 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2020-08-22 01:09:35,734 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2020-08-22 01:09:35,734 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2020-08-22 01:09:35,734 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2020-08-22 01:09:35,734 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2020-08-22 01:09:35,734 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2020-08-22 01:09:35,734 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2020-08-22 01:09:35,735 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2020-08-22 01:09:35,735 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2020-08-22 01:09:35,735 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2020-08-22 01:09:35,735 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2020-08-22 01:09:35,735 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2020-08-22 01:09:35,735 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2020-08-22 01:09:35,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 01:09:35,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-22 01:09:35,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 01:09:37,530 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 01:09:37,531 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-08-22 01:09:37,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 01:09:37 BoogieIcfgContainer [2020-08-22 01:09:37,537 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 01:09:37,538 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 01:09:37,538 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 01:09:37,542 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 01:09:37,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 01:09:34" (1/3) ... [2020-08-22 01:09:37,543 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@634d5017 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 01:09:37, skipping insertion in model container [2020-08-22 01:09:37,543 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 01:09:35" (2/3) ... [2020-08-22 01:09:37,544 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@634d5017 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 01:09:37, skipping insertion in model container [2020-08-22 01:09:37,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 01:09:37" (3/3) ... [2020-08-22 01:09:37,545 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec11_product03.cil.c [2020-08-22 01:09:37,556 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 01:09:37,566 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 01:09:37,578 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 01:09:37,607 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 01:09:37,608 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 01:09:37,608 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-22 01:09:37,608 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 01:09:37,608 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 01:09:37,608 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 01:09:37,608 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 01:09:37,609 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 01:09:37,634 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states. [2020-08-22 01:09:37,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-08-22 01:09:37,648 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 01:09:37,650 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 01:09:37,650 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 01:09:37,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 01:09:37,657 INFO L82 PathProgramCache]: Analyzing trace with hash -1055446932, now seen corresponding path program 1 times [2020-08-22 01:09:37,666 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 01:09:37,667 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [313195236] [2020-08-22 01:09:37,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 01:09:38,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:09:39,632 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 499 [2020-08-22 01:09:39,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 01:09:39,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:09:39,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 01:09:39,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:09:39,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 01:09:39,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:09:39,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 01:09:39,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:09:39,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 01:09:39,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:09:39,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 01:09:39,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:09:39,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 01:09:39,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:09:39,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 01:09:39,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:09:39,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 01:09:39,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:09:39,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-08-22 01:09:39,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:09:39,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 01:09:39,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:09:40,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-08-22 01:09:40,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:09:40,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 01:09:40,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:09:40,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 01:09:40,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:09:40,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-22 01:09:40,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:09:40,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-08-22 01:09:40,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:09:40,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-08-22 01:09:40,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:09:40,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-08-22 01:09:40,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:09:40,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 01:09:40,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:09:40,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-08-22 01:09:40,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:09:40,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-08-22 01:09:40,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:09:40,255 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 01:09:40,255 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [313195236] [2020-08-22 01:09:40,258 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 01:09:40,258 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-08-22 01:09:40,259 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704417533] [2020-08-22 01:09:40,265 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-08-22 01:09:40,266 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 01:09:40,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-08-22 01:09:40,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-08-22 01:09:40,285 INFO L87 Difference]: Start difference. First operand 220 states. Second operand 13 states. [2020-08-22 01:09:42,441 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 502 [2020-08-22 01:09:44,128 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 501 [2020-08-22 01:09:45,428 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 504 [2020-08-22 01:09:46,675 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 504 [2020-08-22 01:09:52,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 01:09:52,794 INFO L93 Difference]: Finished difference Result 573 states and 804 transitions. [2020-08-22 01:09:52,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-08-22 01:09:52,796 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 125 [2020-08-22 01:09:52,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 01:09:52,814 INFO L225 Difference]: With dead ends: 573 [2020-08-22 01:09:52,814 INFO L226 Difference]: Without dead ends: 340 [2020-08-22 01:09:52,820 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 255 ImplicationChecksByTransitivity, 7.2s TimeCoverageRelationStatistics Valid=274, Invalid=916, Unknown=0, NotChecked=0, Total=1190 [2020-08-22 01:09:52,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2020-08-22 01:09:52,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 208. [2020-08-22 01:09:52,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2020-08-22 01:09:52,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 258 transitions. [2020-08-22 01:09:52,989 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 258 transitions. Word has length 125 [2020-08-22 01:09:52,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 01:09:52,990 INFO L479 AbstractCegarLoop]: Abstraction has 208 states and 258 transitions. [2020-08-22 01:09:52,990 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-08-22 01:09:52,990 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 258 transitions. [2020-08-22 01:09:52,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-08-22 01:09:52,994 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 01:09:52,994 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 01:09:52,995 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 01:09:52,995 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 01:09:52,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 01:09:52,995 INFO L82 PathProgramCache]: Analyzing trace with hash -1286343955, now seen corresponding path program 1 times [2020-08-22 01:09:52,996 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 01:09:52,996 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [52476664] [2020-08-22 01:09:52,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 01:09:53,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:09:54,243 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 499 [2020-08-22 01:09:54,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 01:09:54,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:09:54,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 01:09:54,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:09:54,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 01:09:54,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:09:54,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 01:09:54,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:09:54,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 01:09:54,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:09:54,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 01:09:54,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:09:54,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 01:09:54,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:09:54,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 01:09:54,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:09:54,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 01:09:54,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:09:54,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 01:09:54,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:09:54,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 01:09:54,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:09:54,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-08-22 01:09:54,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:09:54,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 01:09:54,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:09:54,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 01:09:54,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:09:54,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-08-22 01:09:54,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:09:54,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-08-22 01:09:54,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:09:54,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-08-22 01:09:54,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:09:54,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-08-22 01:09:54,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:09:54,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 01:09:54,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:09:54,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-08-22 01:09:54,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:09:54,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-08-22 01:09:54,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:09:54,611 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 01:09:54,611 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [52476664] [2020-08-22 01:09:54,611 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 01:09:54,612 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-08-22 01:09:54,612 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898753150] [2020-08-22 01:09:54,614 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-08-22 01:09:54,614 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 01:09:54,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-08-22 01:09:54,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-08-22 01:09:54,615 INFO L87 Difference]: Start difference. First operand 208 states and 258 transitions. Second operand 13 states. [2020-08-22 01:09:56,364 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 502 [2020-08-22 01:09:57,916 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification that was a NOOP. DAG size: 501 [2020-08-22 01:09:59,124 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 504 [2020-08-22 01:10:00,381 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 504 [2020-08-22 01:10:05,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 01:10:05,200 INFO L93 Difference]: Finished difference Result 509 states and 668 transitions. [2020-08-22 01:10:05,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-08-22 01:10:05,200 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 127 [2020-08-22 01:10:05,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 01:10:05,205 INFO L225 Difference]: With dead ends: 509 [2020-08-22 01:10:05,205 INFO L226 Difference]: Without dead ends: 346 [2020-08-22 01:10:05,208 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 01:10:05,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2020-08-22 01:10:05,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 212. [2020-08-22 01:10:05,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2020-08-22 01:10:05,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 262 transitions. [2020-08-22 01:10:05,341 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 262 transitions. Word has length 127 [2020-08-22 01:10:05,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 01:10:05,341 INFO L479 AbstractCegarLoop]: Abstraction has 212 states and 262 transitions. [2020-08-22 01:10:05,341 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-08-22 01:10:05,342 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 262 transitions. [2020-08-22 01:10:05,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-08-22 01:10:05,345 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 01:10:05,345 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 01:10:05,345 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 01:10:05,345 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 01:10:05,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 01:10:05,346 INFO L82 PathProgramCache]: Analyzing trace with hash -919207694, now seen corresponding path program 2 times [2020-08-22 01:10:05,346 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 01:10:05,346 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [422450680] [2020-08-22 01:10:05,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 01:10:05,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:06,653 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 499 [2020-08-22 01:10:06,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 01:10:06,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:06,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 01:10:06,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:06,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 01:10:06,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:06,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 01:10:06,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:06,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 01:10:06,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:06,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 01:10:06,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:06,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 01:10:06,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:06,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 01:10:06,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:06,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 01:10:06,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:06,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 01:10:06,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:06,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 01:10:06,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:06,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-08-22 01:10:06,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:06,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 01:10:06,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:06,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 01:10:06,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:06,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-08-22 01:10:06,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:06,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-08-22 01:10:06,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:06,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-08-22 01:10:06,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:06,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-08-22 01:10:06,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:06,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 01:10:06,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:06,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-08-22 01:10:06,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:06,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-08-22 01:10:06,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:06,986 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 01:10:06,986 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [422450680] [2020-08-22 01:10:06,986 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 01:10:06,987 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-08-22 01:10:06,987 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122908708] [2020-08-22 01:10:06,987 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-08-22 01:10:06,988 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 01:10:06,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-08-22 01:10:06,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-08-22 01:10:06,989 INFO L87 Difference]: Start difference. First operand 212 states and 262 transitions. Second operand 13 states. [2020-08-22 01:10:08,829 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 502 [2020-08-22 01:10:10,456 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 501 [2020-08-22 01:10:11,661 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 504 [2020-08-22 01:10:12,855 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 504 [2020-08-22 01:10:17,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 01:10:17,366 INFO L93 Difference]: Finished difference Result 509 states and 667 transitions. [2020-08-22 01:10:17,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-08-22 01:10:17,367 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 128 [2020-08-22 01:10:17,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 01:10:17,370 INFO L225 Difference]: With dead ends: 509 [2020-08-22 01:10:17,370 INFO L226 Difference]: Without dead ends: 348 [2020-08-22 01:10:17,372 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 136 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=206, Invalid=664, Unknown=0, NotChecked=0, Total=870 [2020-08-22 01:10:17,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2020-08-22 01:10:17,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 212. [2020-08-22 01:10:17,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2020-08-22 01:10:17,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 261 transitions. [2020-08-22 01:10:17,477 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 261 transitions. Word has length 128 [2020-08-22 01:10:17,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 01:10:17,477 INFO L479 AbstractCegarLoop]: Abstraction has 212 states and 261 transitions. [2020-08-22 01:10:17,477 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-08-22 01:10:17,478 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 261 transitions. [2020-08-22 01:10:17,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-08-22 01:10:17,480 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 01:10:17,480 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 01:10:17,480 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 01:10:17,480 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 01:10:17,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 01:10:17,481 INFO L82 PathProgramCache]: Analyzing trace with hash 1494009384, now seen corresponding path program 1 times [2020-08-22 01:10:17,481 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 01:10:17,481 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [525960550] [2020-08-22 01:10:17,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 01:10:17,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:18,717 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 499 [2020-08-22 01:10:18,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 01:10:18,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:18,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 01:10:18,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:18,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 01:10:18,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:18,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 01:10:18,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:18,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 01:10:18,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:18,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 01:10:18,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:18,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 01:10:18,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:18,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 01:10:18,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:18,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 01:10:18,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:18,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 01:10:18,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:18,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 01:10:18,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:18,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-08-22 01:10:18,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:18,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 01:10:18,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:18,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 01:10:18,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:18,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-22 01:10:18,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:18,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-08-22 01:10:18,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:18,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-08-22 01:10:18,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:18,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-08-22 01:10:18,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:18,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 01:10:18,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:18,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-08-22 01:10:18,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:18,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-22 01:10:18,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:18,930 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 01:10:18,930 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [525960550] [2020-08-22 01:10:18,931 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 01:10:18,931 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-22 01:10:18,931 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517676663] [2020-08-22 01:10:18,932 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-22 01:10:18,932 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 01:10:18,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-22 01:10:18,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-08-22 01:10:18,933 INFO L87 Difference]: Start difference. First operand 212 states and 261 transitions. Second operand 9 states. [2020-08-22 01:10:21,554 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 502 [2020-08-22 01:10:25,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 01:10:25,738 INFO L93 Difference]: Finished difference Result 463 states and 594 transitions. [2020-08-22 01:10:25,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-22 01:10:25,739 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 129 [2020-08-22 01:10:25,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 01:10:25,744 INFO L225 Difference]: With dead ends: 463 [2020-08-22 01:10:25,745 INFO L226 Difference]: Without dead ends: 347 [2020-08-22 01:10:25,747 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=66, Invalid=116, Unknown=0, NotChecked=0, Total=182 [2020-08-22 01:10:25,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2020-08-22 01:10:25,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 214. [2020-08-22 01:10:25,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 214 states. [2020-08-22 01:10:25,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 263 transitions. [2020-08-22 01:10:25,845 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 263 transitions. Word has length 129 [2020-08-22 01:10:25,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 01:10:25,846 INFO L479 AbstractCegarLoop]: Abstraction has 214 states and 263 transitions. [2020-08-22 01:10:25,846 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-22 01:10:25,846 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 263 transitions. [2020-08-22 01:10:25,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-08-22 01:10:25,850 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 01:10:25,850 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 01:10:25,850 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-22 01:10:25,850 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 01:10:25,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 01:10:25,851 INFO L82 PathProgramCache]: Analyzing trace with hash -1709287427, now seen corresponding path program 1 times [2020-08-22 01:10:25,851 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 01:10:25,851 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [995892084] [2020-08-22 01:10:25,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 01:10:25,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:27,365 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 499 [2020-08-22 01:10:27,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 01:10:27,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:27,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 01:10:27,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:27,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 01:10:27,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:27,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 01:10:27,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:27,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 01:10:27,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:27,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 01:10:27,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:27,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 01:10:27,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:27,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 01:10:27,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:27,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 01:10:27,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:27,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 01:10:27,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:27,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 01:10:27,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:27,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-22 01:10:27,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:27,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 01:10:27,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:27,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 01:10:27,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:27,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-08-22 01:10:27,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:27,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-08-22 01:10:27,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:27,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-08-22 01:10:27,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:27,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-08-22 01:10:27,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:27,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 01:10:27,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:27,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-08-22 01:10:27,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:27,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-08-22 01:10:27,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:27,610 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 01:10:27,612 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [995892084] [2020-08-22 01:10:27,612 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 01:10:27,612 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-22 01:10:27,613 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125622441] [2020-08-22 01:10:27,614 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 01:10:27,614 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 01:10:27,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 01:10:27,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-08-22 01:10:27,615 INFO L87 Difference]: Start difference. First operand 214 states and 263 transitions. Second operand 10 states. [2020-08-22 01:10:29,856 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 502 [2020-08-22 01:10:31,039 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 502 [2020-08-22 01:10:34,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 01:10:34,970 INFO L93 Difference]: Finished difference Result 495 states and 651 transitions. [2020-08-22 01:10:34,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-22 01:10:34,970 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 134 [2020-08-22 01:10:34,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 01:10:34,980 INFO L225 Difference]: With dead ends: 495 [2020-08-22 01:10:34,981 INFO L226 Difference]: Without dead ends: 379 [2020-08-22 01:10:34,983 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=98, Invalid=174, Unknown=0, NotChecked=0, Total=272 [2020-08-22 01:10:34,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2020-08-22 01:10:35,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 241. [2020-08-22 01:10:35,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 241 states. [2020-08-22 01:10:35,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 313 transitions. [2020-08-22 01:10:35,099 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 313 transitions. Word has length 134 [2020-08-22 01:10:35,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 01:10:35,100 INFO L479 AbstractCegarLoop]: Abstraction has 241 states and 313 transitions. [2020-08-22 01:10:35,100 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 01:10:35,100 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 313 transitions. [2020-08-22 01:10:35,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-08-22 01:10:35,102 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 01:10:35,102 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 01:10:35,103 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-22 01:10:35,103 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 01:10:35,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 01:10:35,103 INFO L82 PathProgramCache]: Analyzing trace with hash 903324488, now seen corresponding path program 2 times [2020-08-22 01:10:35,103 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 01:10:35,104 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [808728360] [2020-08-22 01:10:35,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 01:10:35,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:36,348 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 499 [2020-08-22 01:10:36,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 01:10:36,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:36,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 01:10:36,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:36,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 01:10:36,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:36,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 01:10:36,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:36,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 01:10:36,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:36,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 01:10:36,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:36,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 01:10:36,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:36,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-08-22 01:10:36,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:36,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 01:10:36,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:36,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 01:10:36,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:36,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 01:10:36,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:36,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-08-22 01:10:36,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:36,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 01:10:36,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:36,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 01:10:36,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:36,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-08-22 01:10:36,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:36,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-08-22 01:10:36,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:36,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-08-22 01:10:36,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:36,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-08-22 01:10:36,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:36,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 01:10:36,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:36,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-08-22 01:10:36,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:36,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-08-22 01:10:36,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 01:10:36,594 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 01:10:36,595 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [808728360] [2020-08-22 01:10:36,596 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 01:10:36,597 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-08-22 01:10:36,597 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554386587] [2020-08-22 01:10:36,597 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-22 01:10:36,598 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 01:10:36,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-22 01:10:36,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2020-08-22 01:10:36,599 INFO L87 Difference]: Start difference. First operand 241 states and 313 transitions. Second operand 12 states.