/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 --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --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-c90d42b [2020-09-25 01:42:28,843 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 01:42:28,848 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 01:42:28,896 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 01:42:28,897 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 01:42:28,906 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 01:42:28,908 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 01:42:28,912 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 01:42:28,915 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 01:42:28,919 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 01:42:28,920 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 01:42:28,921 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 01:42:28,921 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 01:42:28,924 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 01:42:28,927 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 01:42:28,929 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 01:42:28,931 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 01:42:28,932 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 01:42:28,934 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 01:42:28,942 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 01:42:28,944 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 01:42:28,945 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 01:42:28,947 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 01:42:28,948 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 01:42:28,960 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 01:42:28,966 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 01:42:28,966 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 01:42:28,967 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 01:42:28,970 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 01:42:28,971 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 01:42:28,971 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 01:42:28,972 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 01:42:28,977 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 01:42:28,978 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 01:42:28,980 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 01:42:28,980 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 01:42:28,981 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 01:42:28,981 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 01:42:28,982 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 01:42:28,983 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 01:42:28,983 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 01:42:28,986 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 [2020-09-25 01:42:29,032 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 01:42:29,033 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 01:42:29,034 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 01:42:29,034 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 01:42:29,034 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 01:42:29,035 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 01:42:29,035 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 01:42:29,035 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 01:42:29,035 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 01:42:29,036 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 01:42:29,036 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 01:42:29,036 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 01:42:29,036 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 01:42:29,037 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 01:42:29,037 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 01:42:29,037 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 01:42:29,037 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 01:42:29,037 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 01:42:29,038 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 01:42:29,038 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 01:42:29,038 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 01:42:29,038 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 01:42:29,039 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 01:42:29,039 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 01:42:29,039 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 01:42:29,039 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 01:42:29,040 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 01:42:29,040 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 01:42:29,040 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 01:42:29,040 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.rcfgbuilder: Size of a code block -> SingleStatement 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 -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true; [2020-09-25 01:42:30,247 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 01:42:30,280 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 01:42:30,285 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 01:42:30,286 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 01:42:30,287 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 01:42:30,290 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec11_product03.cil.c [2020-09-25 01:42:30,363 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d3db743df/1c69d6776ebb48628600a510f4f85756/FLAG4dbab3f78 [2020-09-25 01:42:31,054 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 01:42:31,055 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/email_spec11_product03.cil.c [2020-09-25 01:42:31,075 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d3db743df/1c69d6776ebb48628600a510f4f85756/FLAG4dbab3f78 [2020-09-25 01:42:31,242 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d3db743df/1c69d6776ebb48628600a510f4f85756 [2020-09-25 01:42:31,256 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 01:42:31,262 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 01:42:31,264 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 01:42:31,264 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 01:42:31,268 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 01:42:31,269 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:42:31" (1/1) ... [2020-09-25 01:42:31,274 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7845d484 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:42:31, skipping insertion in model container [2020-09-25 01:42:31,274 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:42:31" (1/1) ... [2020-09-25 01:42:31,284 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 01:42:31,381 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 01:42:32,266 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 01:42:32,293 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 01:42:32,427 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 01:42:32,490 INFO L208 MainTranslator]: Completed translation [2020-09-25 01:42:32,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:42:32 WrapperNode [2020-09-25 01:42:32,491 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 01:42:32,492 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 01:42:32,492 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 01:42:32,492 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 01:42:32,510 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:42:32" (1/1) ... [2020-09-25 01:42:32,510 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:42:32" (1/1) ... [2020-09-25 01:42:32,541 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:42:32" (1/1) ... [2020-09-25 01:42:32,542 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:42:32" (1/1) ... [2020-09-25 01:42:32,594 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:42:32" (1/1) ... [2020-09-25 01:42:32,638 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:42:32" (1/1) ... [2020-09-25 01:42:32,662 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:42:32" (1/1) ... [2020-09-25 01:42:32,680 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 01:42:32,681 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 01:42:32,681 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 01:42:32,681 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 01:42:32,683 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:42:32" (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 [2020-09-25 01:42:32,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 01:42:32,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 01:42:32,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-25 01:42:32,776 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2020-09-25 01:42:32,776 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2020-09-25 01:42:32,777 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2020-09-25 01:42:32,777 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2020-09-25 01:42:32,777 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2020-09-25 01:42:32,778 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-25 01:42:32,779 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 01:42:32,779 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2020-09-25 01:42:32,779 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-25 01:42:32,779 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-25 01:42:32,779 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-25 01:42:32,780 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-25 01:42:32,781 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-25 01:42:32,781 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2020-09-25 01:42:32,782 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2020-09-25 01:42:32,782 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2020-09-25 01:42:32,782 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2020-09-25 01:42:32,782 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2020-09-25 01:42:32,783 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2020-09-25 01:42:32,783 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2020-09-25 01:42:32,783 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2020-09-25 01:42:32,784 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2020-09-25 01:42:32,785 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2020-09-25 01:42:32,785 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2020-09-25 01:42:32,785 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2020-09-25 01:42:32,785 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2020-09-25 01:42:32,786 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2020-09-25 01:42:32,786 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2020-09-25 01:42:32,786 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2020-09-25 01:42:32,786 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2020-09-25 01:42:32,787 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2020-09-25 01:42:32,788 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2020-09-25 01:42:32,788 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2020-09-25 01:42:32,788 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2020-09-25 01:42:32,788 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2020-09-25 01:42:32,788 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2020-09-25 01:42:32,789 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2020-09-25 01:42:32,789 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Base [2020-09-25 01:42:32,789 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2020-09-25 01:42:32,789 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2020-09-25 01:42:32,789 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2020-09-25 01:42:32,790 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2020-09-25 01:42:32,790 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2020-09-25 01:42:32,790 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2020-09-25 01:42:32,790 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2020-09-25 01:42:32,790 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2020-09-25 01:42:32,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptAutoResponder_spec__1 [2020-09-25 01:42:32,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-25 01:42:32,792 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2020-09-25 01:42:32,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-25 01:42:32,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-25 01:42:32,793 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-25 01:42:32,793 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-25 01:42:32,793 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-25 01:42:32,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-25 01:42:32,794 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2020-09-25 01:42:32,794 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2020-09-25 01:42:32,794 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2020-09-25 01:42:32,795 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2020-09-25 01:42:32,795 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2020-09-25 01:42:32,795 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2020-09-25 01:42:32,795 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2020-09-25 01:42:32,796 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2020-09-25 01:42:32,796 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2020-09-25 01:42:32,796 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2020-09-25 01:42:32,796 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2020-09-25 01:42:32,796 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2020-09-25 01:42:32,797 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2020-09-25 01:42:32,798 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2020-09-25 01:42:32,799 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2020-09-25 01:42:32,799 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2020-09-25 01:42:32,800 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2020-09-25 01:42:32,800 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2020-09-25 01:42:32,800 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2020-09-25 01:42:32,800 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2020-09-25 01:42:32,800 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2020-09-25 01:42:32,801 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2020-09-25 01:42:32,801 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2020-09-25 01:42:32,801 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2020-09-25 01:42:32,801 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2020-09-25 01:42:32,802 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2020-09-25 01:42:32,802 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2020-09-25 01:42:32,803 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2020-09-25 01:42:32,803 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2020-09-25 01:42:32,803 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2020-09-25 01:42:32,803 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2020-09-25 01:42:32,804 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2020-09-25 01:42:32,804 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2020-09-25 01:42:32,804 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 01:42:32,805 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 01:42:32,805 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-25 01:42:32,805 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-09-25 01:42:32,805 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2020-09-25 01:42:32,806 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2020-09-25 01:42:32,806 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-25 01:42:32,806 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-25 01:42:32,806 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-25 01:42:32,807 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2020-09-25 01:42:32,807 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2020-09-25 01:42:32,807 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2020-09-25 01:42:32,807 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2020-09-25 01:42:32,807 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2020-09-25 01:42:32,808 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2020-09-25 01:42:32,808 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2020-09-25 01:42:32,808 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2020-09-25 01:42:32,808 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2020-09-25 01:42:32,809 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2020-09-25 01:42:32,809 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-25 01:42:32,809 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-25 01:42:32,809 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 01:42:32,809 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2020-09-25 01:42:32,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 01:42:32,810 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-25 01:42:32,810 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2020-09-25 01:42:32,811 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2020-09-25 01:42:32,812 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2020-09-25 01:42:32,812 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2020-09-25 01:42:32,813 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2020-09-25 01:42:32,813 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2020-09-25 01:42:32,813 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2020-09-25 01:42:32,814 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2020-09-25 01:42:32,814 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2020-09-25 01:42:32,814 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2020-09-25 01:42:32,815 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2020-09-25 01:42:32,816 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2020-09-25 01:42:32,819 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2020-09-25 01:42:32,819 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2020-09-25 01:42:32,820 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2020-09-25 01:42:32,820 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2020-09-25 01:42:32,820 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2020-09-25 01:42:32,820 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2020-09-25 01:42:32,820 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2020-09-25 01:42:32,821 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2020-09-25 01:42:32,822 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2020-09-25 01:42:32,822 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2020-09-25 01:42:32,822 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2020-09-25 01:42:32,822 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2020-09-25 01:42:32,823 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2020-09-25 01:42:32,823 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2020-09-25 01:42:32,823 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2020-09-25 01:42:32,831 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2020-09-25 01:42:32,831 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2020-09-25 01:42:32,832 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2020-09-25 01:42:32,832 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2020-09-25 01:42:32,832 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Base [2020-09-25 01:42:32,832 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptAutoResponder_spec__1 [2020-09-25 01:42:32,832 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-25 01:42:32,833 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2020-09-25 01:42:32,834 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2020-09-25 01:42:32,834 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-25 01:42:32,834 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 01:42:32,834 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 01:42:32,834 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-25 01:42:32,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 01:42:32,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 01:42:32,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 01:42:32,835 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 01:42:32,835 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-25 01:42:32,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 01:42:32,836 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-25 01:42:32,836 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-25 01:42:32,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 01:42:32,836 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-25 01:42:32,836 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-25 01:42:32,837 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-25 01:42:32,837 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2020-09-25 01:42:32,837 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2020-09-25 01:42:32,837 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2020-09-25 01:42:32,837 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2020-09-25 01:42:32,837 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2020-09-25 01:42:32,838 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2020-09-25 01:42:32,838 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2020-09-25 01:42:32,838 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2020-09-25 01:42:32,838 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2020-09-25 01:42:32,838 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2020-09-25 01:42:32,839 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2020-09-25 01:42:32,839 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2020-09-25 01:42:32,839 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2020-09-25 01:42:32,839 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2020-09-25 01:42:32,840 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2020-09-25 01:42:32,840 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2020-09-25 01:42:32,840 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2020-09-25 01:42:32,840 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2020-09-25 01:42:32,840 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2020-09-25 01:42:32,841 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2020-09-25 01:42:32,841 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2020-09-25 01:42:32,841 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2020-09-25 01:42:32,841 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2020-09-25 01:42:32,841 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2020-09-25 01:42:32,842 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2020-09-25 01:42:32,842 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2020-09-25 01:42:32,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 01:42:32,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 01:42:32,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 01:42:35,349 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 01:42:35,350 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-09-25 01:42:35,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:42:35 BoogieIcfgContainer [2020-09-25 01:42:35,360 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 01:42:35,361 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 01:42:35,361 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 01:42:35,365 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 01:42:35,365 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 01:42:31" (1/3) ... [2020-09-25 01:42:35,366 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36138b8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:42:35, skipping insertion in model container [2020-09-25 01:42:35,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:42:32" (2/3) ... [2020-09-25 01:42:35,367 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36138b8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:42:35, skipping insertion in model container [2020-09-25 01:42:35,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:42:35" (3/3) ... [2020-09-25 01:42:35,369 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec11_product03.cil.c [2020-09-25 01:42:35,382 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 01:42:35,394 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 01:42:35,417 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 01:42:35,451 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 01:42:35,452 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 01:42:35,452 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 01:42:35,452 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 01:42:35,452 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 01:42:35,452 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 01:42:35,452 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 01:42:35,452 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 01:42:35,487 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states. [2020-09-25 01:42:35,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2020-09-25 01:42:35,515 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 01:42:35,517 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 01:42:35,518 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 01:42:35,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 01:42:35,526 INFO L82 PathProgramCache]: Analyzing trace with hash -1063984080, now seen corresponding path program 1 times [2020-09-25 01:42:35,538 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 01:42:35,538 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [745115434] [2020-09-25 01:42:35,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 01:42:36,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:42:36,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:42:36,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:42:36,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:42:38,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:42:41,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:42:41,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 447 [2020-09-25 01:42:41,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 01:42:41,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-09-25 01:42:41,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:42:41,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:42:41,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 272 [2020-09-25 01:42:41,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:42:41,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 01:42:42,883 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification that was a NOOP. DAG size: 499 [2020-09-25 01:42:42,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:42:42,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:42:42,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:42:43,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:42:43,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-09-25 01:42:43,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:42:43,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 187 [2020-09-25 01:42:43,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:42:43,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:42:43,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:42:43,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:42:43,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 01:42:43,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-09-25 01:42:43,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:42:43,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:42:43,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:42:43,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:42:43,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:42:43,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 01:42:43,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:42:43,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:42:43,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:42:43,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:42:43,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:42:43,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-09-25 01:42:43,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:42:43,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:42:43,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:42:43,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:42:43,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:42:43,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 01:42:43,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:42:43,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:42:43,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:42:43,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:42:43,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:42:43,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-25 01:42:43,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:42:43,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:42:43,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:42:43,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:42:43,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:42:43,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 01:42:43,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:42:43,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:42:43,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:42:43,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:42:43,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:42:43,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-09-25 01:42:43,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:42:43,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:42:43,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:42:43,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:42:44,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:42:44,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-09-25 01:42:44,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 01:42:44,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1316 [2020-09-25 01:42:44,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:42:44,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:42:44,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:42:44,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:42:44,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:42:44,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-25 01:42:44,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:42:44,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:42:44,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:42:44,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-25 01:42:44,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:42:44,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 01:42:44,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:42:44,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:42:44,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:42:44,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:42:44,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:42:44,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 01:42:44,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:42:44,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:42:44,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:42:44,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 01:42:44,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:42:44,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 01:42:44,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:42:44,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:42:44,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:42:44,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:42:44,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:42:44,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-25 01:42:44,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:42:44,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:42:44,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:42:44,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-25 01:42:44,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:42:44,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 01:42:44,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:42:44,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:42:44,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:42:44,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:42:44,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:42:44,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 01:42:44,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:42:44,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:42:44,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:42:44,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 01:42:44,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:42:44,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 01:42:44,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:42:44,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:42:44,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:42:44,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:42:44,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:42:44,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-25 01:42:44,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:42:44,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:42:44,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:42:44,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-25 01:42:44,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:42:44,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 01:42:44,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:42:44,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:42:44,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:42:44,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:42:44,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:42:44,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 01:42:44,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:42:44,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:42:44,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:42:44,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 01:42:44,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:42:44,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 01:42:44,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:42:44,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:42:44,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:42:44,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:42:44,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:42:44,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2020-09-25 01:42:44,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:42:44,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:42:44,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:42:44,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-25 01:42:44,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:42:44,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-25 01:42:44,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:42:44,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:42:44,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-09-25 01:42:44,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:42:44,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:42:44,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-25 01:42:44,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:42:44,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:42:44,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:42:44,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 01:42:44,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:42:44,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 01:42:44,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:42:44,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:42:44,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:42:44,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:42:44,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:42:44,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-25 01:42:44,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:42:44,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:42:44,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:42:44,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 01:42:44,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:42:44,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 01:42:44,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:42:44,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:42:44,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:42:44,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:42:44,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:42:44,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2020-09-25 01:42:44,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:42:44,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:42:44,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:42:44,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 01:42:44,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:42:44,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 01:42:44,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:42:44,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:42:44,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-25 01:42:44,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:42:44,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:42:44,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2020-09-25 01:42:44,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:42:44,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:42:44,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:42:44,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 01:42:44,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:42:44,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 01:42:44,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:42:44,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:42:44,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 01:42:44,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:42:44,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:42:44,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2020-09-25 01:42:44,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:42:44,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:42:44,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:42:44,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 01:42:44,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:42:44,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 01:42:44,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:42:44,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:42:44,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-25 01:42:44,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:42:44,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:42:44,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2020-09-25 01:42:44,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:42:44,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:42:44,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:42:44,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 01:42:44,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:42:44,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 01:42:44,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:42:44,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:42:44,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-09-25 01:42:44,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:42:44,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:42:44,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 01:42:44,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:42:44,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:42:44,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:42:44,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 01:42:44,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:42:44,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 01:42:44,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:42:44,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:42:44,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:42:44,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:42:44,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:42:44,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2020-09-25 01:42:44,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:42:44,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:42:44,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:42:44,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 01:42:44,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:42:44,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 01:42:44,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:42:44,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:42:44,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-25 01:42:44,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:42:44,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:42:44,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2020-09-25 01:42:44,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:42:44,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:42:44,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:42:44,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 01:42:44,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:42:44,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 01:42:44,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:42:44,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:42:44,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 01:42:44,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:42:44,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:42:45,449 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-09-25 01:42:45,450 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [745115434] [2020-09-25 01:42:45,452 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 01:42:45,453 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 01:42:45,454 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428348272] [2020-09-25 01:42:45,463 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 01:42:45,464 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 01:42:45,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 01:42:45,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-09-25 01:42:45,496 INFO L87 Difference]: Start difference. First operand 578 states. Second operand 8 states. [2020-09-25 01:42:53,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 01:42:53,463 INFO L93 Difference]: Finished difference Result 1046 states and 1243 transitions. [2020-09-25 01:42:53,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-25 01:42:53,467 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 382 [2020-09-25 01:42:53,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 01:42:53,492 INFO L225 Difference]: With dead ends: 1046 [2020-09-25 01:42:53,492 INFO L226 Difference]: Without dead ends: 758 [2020-09-25 01:42:53,500 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2020-09-25 01:42:53,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 758 states. [2020-09-25 01:42:53,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 758 to 546. [2020-09-25 01:42:53,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 546 states. [2020-09-25 01:42:53,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 594 transitions. [2020-09-25 01:42:53,692 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 594 transitions. Word has length 382 [2020-09-25 01:42:53,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 01:42:53,694 INFO L479 AbstractCegarLoop]: Abstraction has 546 states and 594 transitions. [2020-09-25 01:42:53,694 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 01:42:53,694 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 594 transitions. [2020-09-25 01:42:53,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 384 [2020-09-25 01:42:53,705 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 01:42:53,706 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 01:42:53,706 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 01:42:53,706 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 01:42:53,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 01:42:53,707 INFO L82 PathProgramCache]: Analyzing trace with hash 593024821, now seen corresponding path program 1 times [2020-09-25 01:42:53,707 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 01:42:53,707 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2050284839] [2020-09-25 01:42:53,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 01:42:53,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:42:53,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:42:54,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:42:54,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:42:57,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:42:58,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:42:58,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 448 [2020-09-25 01:42:58,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 01:42:58,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5031 [2020-09-25 01:42:58,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:42:58,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 01:42:58,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 271 [2020-09-25 01:42:58,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 01:42:58,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:43:00,543 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification that was a NOOP. DAG size: 499 [2020-09-25 01:43:00,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 01:43:00,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:43:00,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:43:00,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:43:00,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-09-25 01:43:00,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:43:00,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 167 [2020-09-25 01:43:00,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:43:00,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:43:00,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:43:00,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:43:00,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:43:00,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-09-25 01:43:00,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:43:00,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:43:00,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:43:00,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:43:00,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:43:00,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 01:43:00,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:43:00,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:43:00,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:43:00,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:43:00,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:43:00,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-09-25 01:43:00,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:43:00,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:43:00,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:43:00,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 01:43:00,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:43:00,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 01:43:00,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:43:00,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:43:00,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:43:00,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:43:00,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:43:00,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-25 01:43:00,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:43:00,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:43:00,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:43:00,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 01:43:00,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:43:00,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 01:43:00,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:43:00,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:43:00,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:43:00,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:43:00,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:43:00,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-09-25 01:43:00,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:43:00,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:43:00,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:43:01,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:43:02,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:43:02,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-09-25 01:43:02,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 01:43:02,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1148 [2020-09-25 01:43:02,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:43:02,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:43:02,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:43:02,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:43:02,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:43:02,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-25 01:43:02,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:43:02,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:43:02,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:43:02,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-25 01:43:02,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:43:02,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 01:43:02,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:43:02,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:43:02,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:43:02,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:43:02,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:43:02,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 01:43:02,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:43:02,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:43:02,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:43:02,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 01:43:02,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:43:02,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 01:43:02,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:43:02,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:43:02,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:43:02,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:43:02,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:43:02,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-25 01:43:02,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:43:02,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:43:02,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:43:02,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-25 01:43:02,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:43:02,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 01:43:02,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:43:02,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:43:02,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:43:02,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:43:02,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:43:02,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 01:43:02,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:43:02,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:43:02,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:43:02,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 01:43:02,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:43:02,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 01:43:02,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:43:02,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:43:02,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:43:02,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:43:02,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:43:02,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-25 01:43:02,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:43:02,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:43:02,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:43:02,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-25 01:43:02,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:43:02,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 01:43:02,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:43:02,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:43:02,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:43:02,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:43:02,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:43:02,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 01:43:02,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:43:02,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:43:02,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:43:02,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 01:43:02,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:43:02,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 01:43:02,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:43:02,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:43:02,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:43:02,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:43:02,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:43:02,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2020-09-25 01:43:02,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:43:02,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:43:02,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:43:02,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-25 01:43:02,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:43:02,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 01:43:02,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:43:02,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:43:02,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-09-25 01:43:02,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:43:02,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:43:02,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-25 01:43:02,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:43:02,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:43:02,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:43:02,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 01:43:02,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:43:02,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 01:43:02,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:43:02,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:43:02,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:43:02,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:43:02,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:43:02,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-25 01:43:02,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:43:02,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:43:02,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:43:02,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 01:43:02,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:43:02,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 01:43:02,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:43:02,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:43:02,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:43:02,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:43:02,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:43:02,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2020-09-25 01:43:02,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:43:02,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:43:02,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:43:02,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 01:43:02,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:43:02,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 01:43:02,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:43:02,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:43:02,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-25 01:43:02,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:43:02,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 01:43:02,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2020-09-25 01:43:02,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:43:02,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:43:02,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:43:02,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 01:43:02,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:43:02,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 01:43:02,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:43:02,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:43:02,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 01:43:02,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:43:02,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:43:02,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2020-09-25 01:43:02,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:43:02,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:43:02,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:43:02,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 01:43:02,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:43:02,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 01:43:02,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:43:02,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:43:02,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-25 01:43:02,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:43:02,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:43:02,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2020-09-25 01:43:02,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:43:02,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:43:02,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:43:02,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 01:43:02,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:43:02,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 01:43:02,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:43:02,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:43:02,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-09-25 01:43:02,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:43:02,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:43:02,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-25 01:43:02,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:43:02,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:43:02,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:43:02,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 01:43:02,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:43:02,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 01:43:02,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:43:02,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:43:02,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 01:43:02,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:43:02,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:43:02,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2020-09-25 01:43:02,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:43:02,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:43:02,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:43:02,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 01:43:02,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:43:02,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 01:43:02,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:43:02,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:43:02,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-25 01:43:02,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:43:02,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:43:02,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2020-09-25 01:43:02,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:43:02,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:43:02,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:43:02,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 01:43:02,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 01:43:02,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 01:43:02,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:43:02,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 01:43:02,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 01:43:02,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 01:43:02,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 01:43:02,707 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-09-25 01:43:02,708 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2050284839] [2020-09-25 01:43:02,708 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 01:43:02,708 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-25 01:43:02,709 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706076031] [2020-09-25 01:43:02,713 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-25 01:43:02,714 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 01:43:02,714 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-25 01:43:02,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-09-25 01:43:02,716 INFO L87 Difference]: Start difference. First operand 546 states and 594 transitions. Second operand 9 states. [2020-09-25 01:43:06,986 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification that was a NOOP. DAG size: 502 [2020-09-25 01:43:13,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 01:43:13,030 INFO L93 Difference]: Finished difference Result 989 states and 1121 transitions. [2020-09-25 01:43:13,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 01:43:13,030 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 383 [2020-09-25 01:43:13,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 01:43:13,037 INFO L225 Difference]: With dead ends: 989 [2020-09-25 01:43:13,037 INFO L226 Difference]: Without dead ends: 761 [2020-09-25 01:43:13,039 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=75, Invalid=135, Unknown=0, NotChecked=0, Total=210 [2020-09-25 01:43:13,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 761 states. [2020-09-25 01:43:13,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 761 to 548. [2020-09-25 01:43:13,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 548 states. [2020-09-25 01:43:13,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 548 states and 596 transitions. [2020-09-25 01:43:13,146 INFO L78 Accepts]: Start accepts. Automaton has 548 states and 596 transitions. Word has length 383 [2020-09-25 01:43:13,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 01:43:13,147 INFO L479 AbstractCegarLoop]: Abstraction has 548 states and 596 transitions. [2020-09-25 01:43:13,148 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-25 01:43:13,148 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 596 transitions. [2020-09-25 01:43:13,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2020-09-25 01:43:13,152 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 01:43:13,152 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 01:43:13,153 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 01:43:13,153 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 01:43:13,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 01:43:13,153 INFO L82 PathProgramCache]: Analyzing trace with hash 2068259170, now seen corresponding path program 1 times [2020-09-25 01:43:13,154 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 01:43:13,154 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1091497157] [2020-09-25 01:43:13,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 01:43:13,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 01:43:13,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:43:13,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:43:13,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:43:16,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 01:43:18,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 01:43:18,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 457 [2020-09-25 01:43:18,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 01:43:18,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5029 [2020-09-25 01:43:18,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-09-25 01:43:18,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 01:43:18,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 214 [2020-09-25 01:43:18,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-09-25 01:43:18,265 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0