/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=SMALLEST --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 [2020-09-24 17:53:20,866 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 17:53:20,869 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 17:53:20,897 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 17:53:20,898 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 17:53:20,899 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 17:53:20,901 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 17:53:20,903 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 17:53:20,905 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 17:53:20,906 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 17:53:20,908 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 17:53:20,909 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 17:53:20,909 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 17:53:20,910 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 17:53:20,912 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 17:53:20,913 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 17:53:20,914 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 17:53:20,916 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 17:53:20,918 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 17:53:20,920 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 17:53:20,922 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 17:53:20,923 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 17:53:20,925 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 17:53:20,926 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 17:53:20,929 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 17:53:20,929 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 17:53:20,929 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 17:53:20,930 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 17:53:20,931 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 17:53:20,932 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 17:53:20,932 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 17:53:20,933 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 17:53:20,934 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 17:53:20,935 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 17:53:20,936 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 17:53:20,936 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 17:53:20,937 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 17:53:20,937 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 17:53:20,938 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 17:53:20,939 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 17:53:20,940 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 17:53:20,941 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 [2020-09-24 17:53:20,986 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 17:53:20,987 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 17:53:20,992 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 17:53:20,992 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 17:53:20,992 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 17:53:20,992 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 17:53:20,993 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 17:53:20,993 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 17:53:20,993 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 17:53:20,993 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 17:53:20,993 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 17:53:20,993 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 17:53:20,994 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 17:53:20,996 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 17:53:20,996 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 17:53:20,996 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 17:53:20,996 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 17:53:20,997 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 17:53:20,997 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 17:53:20,997 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 17:53:20,997 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 17:53:20,997 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 17:53:20,998 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 17:53:20,998 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 17:53:20,998 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 17:53:20,998 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 17:53:20,998 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 17:53:21,000 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 17:53:21,001 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 17:53:21,001 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=SMALLEST;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=SMALLEST;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=SMALLEST;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=SMALLEST;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=SMALLEST;log-additional-information=true; [2020-09-24 17:53:21,885 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 17:53:21,928 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 17:53:21,933 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 17:53:21,935 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 17:53:21,937 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 17:53:21,943 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec11_product03.cil.c [2020-09-24 17:53:22,031 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/09cc5d8a8/4d395dc50dc54b91aa27d75da72ba009/FLAGd5c8c2ab3 [2020-09-24 17:53:22,787 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 17:53:22,788 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/email_spec11_product03.cil.c [2020-09-24 17:53:22,811 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/09cc5d8a8/4d395dc50dc54b91aa27d75da72ba009/FLAGd5c8c2ab3 [2020-09-24 17:53:22,963 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/09cc5d8a8/4d395dc50dc54b91aa27d75da72ba009 [2020-09-24 17:53:22,978 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 17:53:22,986 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 17:53:22,987 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 17:53:22,987 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 17:53:22,991 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 17:53:22,993 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 05:53:22" (1/1) ... [2020-09-24 17:53:22,997 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dadf5b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:53:22, skipping insertion in model container [2020-09-24 17:53:22,998 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 05:53:22" (1/1) ... [2020-09-24 17:53:23,007 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 17:53:23,075 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 17:53:23,875 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 17:53:23,893 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 17:53:23,997 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 17:53:24,067 INFO L208 MainTranslator]: Completed translation [2020-09-24 17:53:24,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:53:24 WrapperNode [2020-09-24 17:53:24,068 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 17:53:24,069 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 17:53:24,070 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 17:53:24,070 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 17:53:24,088 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:53:24" (1/1) ... [2020-09-24 17:53:24,089 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:53:24" (1/1) ... [2020-09-24 17:53:24,120 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:53:24" (1/1) ... [2020-09-24 17:53:24,121 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:53:24" (1/1) ... [2020-09-24 17:53:24,172 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:53:24" (1/1) ... [2020-09-24 17:53:24,198 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:53:24" (1/1) ... [2020-09-24 17:53:24,210 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:53:24" (1/1) ... [2020-09-24 17:53:24,226 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 17:53:24,227 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 17:53:24,227 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 17:53:24,227 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 17:53:24,228 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:53:24" (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 [2020-09-24 17:53:24,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 17:53:24,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 17:53:24,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 17:53:24,318 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2020-09-24 17:53:24,318 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2020-09-24 17:53:24,318 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2020-09-24 17:53:24,319 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2020-09-24 17:53:24,319 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2020-09-24 17:53:24,319 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 17:53:24,319 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 17:53:24,319 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2020-09-24 17:53:24,319 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 17:53:24,320 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 17:53:24,320 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 17:53:24,320 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 17:53:24,320 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 17:53:24,320 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2020-09-24 17:53:24,321 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2020-09-24 17:53:24,321 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2020-09-24 17:53:24,321 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2020-09-24 17:53:24,321 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2020-09-24 17:53:24,321 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2020-09-24 17:53:24,321 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2020-09-24 17:53:24,322 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2020-09-24 17:53:24,322 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2020-09-24 17:53:24,322 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2020-09-24 17:53:24,322 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2020-09-24 17:53:24,322 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2020-09-24 17:53:24,323 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2020-09-24 17:53:24,323 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2020-09-24 17:53:24,323 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2020-09-24 17:53:24,323 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2020-09-24 17:53:24,323 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2020-09-24 17:53:24,323 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2020-09-24 17:53:24,324 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2020-09-24 17:53:24,324 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2020-09-24 17:53:24,324 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2020-09-24 17:53:24,324 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2020-09-24 17:53:24,324 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2020-09-24 17:53:24,324 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2020-09-24 17:53:24,324 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Base [2020-09-24 17:53:24,325 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2020-09-24 17:53:24,325 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2020-09-24 17:53:24,325 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2020-09-24 17:53:24,325 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2020-09-24 17:53:24,325 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2020-09-24 17:53:24,326 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2020-09-24 17:53:24,326 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2020-09-24 17:53:24,326 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2020-09-24 17:53:24,326 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptAutoResponder_spec__1 [2020-09-24 17:53:24,326 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 17:53:24,327 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2020-09-24 17:53:24,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 17:53:24,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 17:53:24,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 17:53:24,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 17:53:24,328 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 17:53:24,328 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 17:53:24,328 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2020-09-24 17:53:24,328 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2020-09-24 17:53:24,328 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2020-09-24 17:53:24,329 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2020-09-24 17:53:24,329 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2020-09-24 17:53:24,329 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2020-09-24 17:53:24,329 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2020-09-24 17:53:24,329 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2020-09-24 17:53:24,330 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2020-09-24 17:53:24,330 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2020-09-24 17:53:24,330 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2020-09-24 17:53:24,330 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2020-09-24 17:53:24,330 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2020-09-24 17:53:24,331 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2020-09-24 17:53:24,331 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2020-09-24 17:53:24,331 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2020-09-24 17:53:24,331 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2020-09-24 17:53:24,331 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2020-09-24 17:53:24,332 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2020-09-24 17:53:24,332 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2020-09-24 17:53:24,332 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2020-09-24 17:53:24,332 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2020-09-24 17:53:24,332 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2020-09-24 17:53:24,333 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2020-09-24 17:53:24,333 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2020-09-24 17:53:24,333 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2020-09-24 17:53:24,333 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2020-09-24 17:53:24,333 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2020-09-24 17:53:24,334 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2020-09-24 17:53:24,334 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2020-09-24 17:53:24,334 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2020-09-24 17:53:24,334 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2020-09-24 17:53:24,334 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2020-09-24 17:53:24,335 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 17:53:24,335 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 17:53:24,335 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 17:53:24,335 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-09-24 17:53:24,335 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2020-09-24 17:53:24,336 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2020-09-24 17:53:24,336 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 17:53:24,336 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 17:53:24,336 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 17:53:24,336 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2020-09-24 17:53:24,337 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2020-09-24 17:53:24,337 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2020-09-24 17:53:24,337 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2020-09-24 17:53:24,337 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2020-09-24 17:53:24,337 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2020-09-24 17:53:24,338 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2020-09-24 17:53:24,338 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2020-09-24 17:53:24,338 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2020-09-24 17:53:24,338 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2020-09-24 17:53:24,338 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 17:53:24,339 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 17:53:24,339 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 17:53:24,339 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2020-09-24 17:53:24,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 17:53:24,339 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 17:53:24,339 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2020-09-24 17:53:24,340 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2020-09-24 17:53:24,340 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2020-09-24 17:53:24,340 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2020-09-24 17:53:24,340 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2020-09-24 17:53:24,341 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2020-09-24 17:53:24,341 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2020-09-24 17:53:24,341 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2020-09-24 17:53:24,341 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2020-09-24 17:53:24,341 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2020-09-24 17:53:24,342 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2020-09-24 17:53:24,342 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2020-09-24 17:53:24,342 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2020-09-24 17:53:24,342 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2020-09-24 17:53:24,342 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2020-09-24 17:53:24,343 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2020-09-24 17:53:24,343 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2020-09-24 17:53:24,343 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2020-09-24 17:53:24,343 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2020-09-24 17:53:24,344 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2020-09-24 17:53:24,344 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2020-09-24 17:53:24,344 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2020-09-24 17:53:24,344 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2020-09-24 17:53:24,344 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2020-09-24 17:53:24,344 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2020-09-24 17:53:24,345 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2020-09-24 17:53:24,345 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2020-09-24 17:53:24,345 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2020-09-24 17:53:24,345 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2020-09-24 17:53:24,346 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2020-09-24 17:53:24,346 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2020-09-24 17:53:24,346 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Base [2020-09-24 17:53:24,346 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptAutoResponder_spec__1 [2020-09-24 17:53:24,346 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 17:53:24,347 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2020-09-24 17:53:24,347 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2020-09-24 17:53:24,347 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 17:53:24,347 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 17:53:24,348 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 17:53:24,348 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 17:53:24,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 17:53:24,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 17:53:24,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 17:53:24,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 17:53:24,349 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 17:53:24,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 17:53:24,350 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 17:53:24,350 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 17:53:24,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 17:53:24,350 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 17:53:24,351 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 17:53:24,351 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 17:53:24,351 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2020-09-24 17:53:24,351 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2020-09-24 17:53:24,352 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2020-09-24 17:53:24,352 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2020-09-24 17:53:24,352 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2020-09-24 17:53:24,352 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2020-09-24 17:53:24,353 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2020-09-24 17:53:24,353 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2020-09-24 17:53:24,353 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2020-09-24 17:53:24,353 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2020-09-24 17:53:24,354 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2020-09-24 17:53:24,354 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2020-09-24 17:53:24,354 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2020-09-24 17:53:24,354 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2020-09-24 17:53:24,354 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2020-09-24 17:53:24,355 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2020-09-24 17:53:24,355 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2020-09-24 17:53:24,355 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2020-09-24 17:53:24,355 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2020-09-24 17:53:24,356 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2020-09-24 17:53:24,356 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2020-09-24 17:53:24,356 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2020-09-24 17:53:24,356 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2020-09-24 17:53:24,356 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2020-09-24 17:53:24,356 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2020-09-24 17:53:24,357 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2020-09-24 17:53:24,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 17:53:24,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 17:53:24,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 17:53:26,953 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 17:53:26,953 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-09-24 17:53:26,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 05:53:26 BoogieIcfgContainer [2020-09-24 17:53:26,974 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 17:53:26,977 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 17:53:26,977 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 17:53:26,981 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 17:53:26,982 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 05:53:22" (1/3) ... [2020-09-24 17:53:26,983 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@137ff60a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 05:53:26, skipping insertion in model container [2020-09-24 17:53:26,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 05:53:24" (2/3) ... [2020-09-24 17:53:26,984 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@137ff60a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 05:53:26, skipping insertion in model container [2020-09-24 17:53:26,984 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 05:53:26" (3/3) ... [2020-09-24 17:53:26,989 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec11_product03.cil.c [2020-09-24 17:53:27,001 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 17:53:27,013 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 17:53:27,038 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 17:53:27,081 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 17:53:27,081 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 17:53:27,081 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 17:53:27,082 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 17:53:27,082 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 17:53:27,082 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 17:53:27,082 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 17:53:27,082 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 17:53:27,133 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states. [2020-09-24 17:53:27,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 383 [2020-09-24 17:53:27,186 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 17:53:27,188 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] [2020-09-24 17:53:27,189 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 17:53:27,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 17:53:27,197 INFO L82 PathProgramCache]: Analyzing trace with hash -1063984080, now seen corresponding path program 1 times [2020-09-24 17:53:27,208 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 17:53:27,209 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2113551774] [2020-09-24 17:53:27,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 17:53:27,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:53:27,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:53:28,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:53:28,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:53:30,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:53:32,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:53:32,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 447 [2020-09-24 17:53:32,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 17:53:32,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-09-24 17:53:32,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:53:32,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:53:32,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 272 [2020-09-24 17:53:32,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:53:32,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-24 17:53:34,427 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 499 [2020-09-24 17:53:34,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 17:53:34,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:53:34,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:53:34,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:53:34,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-09-24 17:53:34,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:53:34,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 176 [2020-09-24 17:53:34,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:53:34,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:53:34,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:53:34,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:53:34,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-24 17:53:34,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-09-24 17:53:34,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:53:34,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:53:34,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:53:34,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 17:53:34,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:53:34,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 17:53:34,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:53:34,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:53:34,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:53:34,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:53:34,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:53:34,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-09-24 17:53:34,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:53:34,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:53:34,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:53:34,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 17:53:34,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:53:34,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 17:53:34,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:53:34,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:53:34,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:53:34,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:53:34,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 17:53:34,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-24 17:53:34,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:53:34,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:53:34,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:53:34,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 17:53:34,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:53:34,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 17:53:34,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:53:34,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:53:34,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:53:34,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:53:34,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:53:34,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-09-24 17:53:34,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:53:34,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:53:34,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:53:34,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:53:36,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:53:36,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-09-24 17:53:36,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 17:53:36,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1335 [2020-09-24 17:53:36,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:53:36,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:53:36,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:53:36,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:53:36,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:53:36,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 17:53:36,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:53:36,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:53:36,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:53:36,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-24 17:53:36,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:53:36,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 17:53:36,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:53:36,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:53:36,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:53:36,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:53:36,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:53:36,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 17:53:36,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:53:36,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:53:36,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:53:36,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 17:53:36,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:53:36,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 17:53:36,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:53:36,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:53:36,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:53:36,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:53:36,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:53:36,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-24 17:53:36,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:53:36,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:53:36,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:53:36,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-24 17:53:36,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:53:36,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 17:53:36,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:53:36,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:53:36,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:53:36,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:53:36,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:53:36,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 17:53:36,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:53:36,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:53:36,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:53:36,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 17:53:36,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:53:36,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 17:53:36,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:53:36,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:53:36,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:53:36,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:53:36,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:53:36,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-24 17:53:36,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:53:36,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:53:36,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:53:36,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-24 17:53:36,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:53:36,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 17:53:36,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:53:36,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:53:36,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:53:36,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:53:36,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:53:36,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 17:53:36,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:53:36,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:53:36,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:53:36,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 17:53:36,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:53:36,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 17:53:36,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:53:36,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:53:36,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:53:36,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:53:36,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:53:36,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2020-09-24 17:53:36,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:53:36,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:53:36,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:53:36,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 17:53:36,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:53:36,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-09-24 17:53:36,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:53:36,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:53:36,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-09-24 17:53:36,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:53:36,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:53:36,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 17:53:36,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:53:36,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:53:36,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:53:36,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 17:53:36,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:53:36,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 17:53:36,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:53:36,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:53:36,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:53:36,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:53:36,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 17:53:36,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-24 17:53:36,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:53:36,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:53:36,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:53:36,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 17:53:36,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:53:36,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 17:53:36,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:53:36,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:53:36,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:53:36,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:53:36,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:53:36,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2020-09-24 17:53:36,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:53:36,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:53:36,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:53:36,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 17:53:36,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:53:36,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 17:53:36,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:53:36,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:53:36,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-24 17:53:36,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:53:36,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:53:36,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2020-09-24 17:53:36,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:53:36,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:53:36,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:53:36,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 17:53:36,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:53:36,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 17:53:36,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:53:36,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:53:36,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-24 17:53:36,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:53:36,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:53:36,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2020-09-24 17:53:36,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:53:36,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:53:36,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:53:36,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 17:53:36,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:53:36,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 17:53:36,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:53:36,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:53:36,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-24 17:53:36,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:53:36,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:53:36,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2020-09-24 17:53:36,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:53:36,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:53:36,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:53:36,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-24 17:53:36,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:53:36,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 17:53:36,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:53:36,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:53:36,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-09-24 17:53:36,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:53:36,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:53:36,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 17:53:36,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:53:36,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:53:36,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:53:36,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 17:53:36,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:53:36,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:53:36,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:53:36,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:53:36,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:53:36,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:53:36,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:53:36,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2020-09-24 17:53:36,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:53:36,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:53:36,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:53:36,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 17:53:36,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:53:36,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 17:53:36,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:53:36,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:53:36,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-24 17:53:36,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:53:36,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:53:36,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2020-09-24 17:53:36,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:53:36,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:53:36,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:53:36,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 17:53:36,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:53:36,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 17:53:36,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:53:36,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:53:36,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-24 17:53:36,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:53:36,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:53:36,867 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-09-24 17:53:36,868 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2113551774] [2020-09-24 17:53:36,871 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 17:53:36,872 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 17:53:36,873 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411227169] [2020-09-24 17:53:36,882 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 17:53:36,882 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 17:53:36,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 17:53:36,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2020-09-24 17:53:36,913 INFO L87 Difference]: Start difference. First operand 578 states. Second operand 8 states. [2020-09-24 17:53:44,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 17:53:44,855 INFO L93 Difference]: Finished difference Result 1046 states and 1243 transitions. [2020-09-24 17:53:44,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-24 17:53:44,858 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 382 [2020-09-24 17:53:44,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 17:53:44,884 INFO L225 Difference]: With dead ends: 1046 [2020-09-24 17:53:44,884 INFO L226 Difference]: Without dead ends: 758 [2020-09-24 17:53:44,892 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2020-09-24 17:53:44,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 758 states. [2020-09-24 17:53:45,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 758 to 546. [2020-09-24 17:53:45,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 546 states. [2020-09-24 17:53:45,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 594 transitions. [2020-09-24 17:53:45,073 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 594 transitions. Word has length 382 [2020-09-24 17:53:45,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 17:53:45,074 INFO L479 AbstractCegarLoop]: Abstraction has 546 states and 594 transitions. [2020-09-24 17:53:45,075 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 17:53:45,075 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 594 transitions. [2020-09-24 17:53:45,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 384 [2020-09-24 17:53:45,084 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 17:53:45,085 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] [2020-09-24 17:53:45,085 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 17:53:45,085 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 17:53:45,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 17:53:45,086 INFO L82 PathProgramCache]: Analyzing trace with hash 593024821, now seen corresponding path program 1 times [2020-09-24 17:53:45,086 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 17:53:45,086 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1813829494] [2020-09-24 17:53:45,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 17:53:45,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:53:45,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:53:45,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:53:45,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:53:48,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:53:50,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:53:50,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 448 [2020-09-24 17:53:50,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 17:53:50,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-09-24 17:53:50,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:53:50,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 17:53:50,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 271 [2020-09-24 17:53:50,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 17:53:50,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:53:51,633 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 499 [2020-09-24 17:53:51,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 17:53:51,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:53:51,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:53:51,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:53:51,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-09-24 17:53:51,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:53:51,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 148 [2020-09-24 17:53:51,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:53:51,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:53:51,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:53:51,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:53:51,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:53:51,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-09-24 17:53:51,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:53:51,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:53:51,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:53:51,869 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 17:53:51,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:53:51,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 17:53:51,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:53:51,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:53:51,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:53:51,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:53:51,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:53:51,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-09-24 17:53:51,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:53:51,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:53:51,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:53:51,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 17:53:51,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:53:51,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:53:51,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:53:51,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:53:51,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:53:51,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:53:51,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:53:51,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-24 17:53:51,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:53:51,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:53:51,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:53:51,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 17:53:51,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:53:51,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 17:53:51,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:53:51,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:53:51,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:53:51,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:53:51,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:53:51,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-09-24 17:53:51,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:53:51,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:53:51,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:53:51,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:53:53,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:53:53,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-09-24 17:53:53,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 17:53:53,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1181 [2020-09-24 17:53:53,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:53:53,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:53:53,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:53:53,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:53:53,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:53:53,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2020-09-24 17:53:53,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:53:53,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:53:53,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:53:53,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-24 17:53:53,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:53:53,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 17:53:53,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:53:53,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:53:53,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:53:53,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:53:53,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:53:53,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 17:53:53,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:53:53,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:53:53,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:53:53,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 17:53:53,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:53:53,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 17:53:53,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:53:53,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:53:53,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:53:53,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:53:53,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:53:53,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-24 17:53:53,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:53:53,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:53:53,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:53:53,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-24 17:53:53,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:53:53,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 17:53:53,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:53:53,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:53:53,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:53:53,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:53:53,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:53:53,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 17:53:53,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:53:53,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:53:53,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:53:53,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 17:53:53,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:53:53,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 17:53:53,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:53:53,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:53:53,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:53:53,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:53:53,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-24 17:53:53,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-09-24 17:53:53,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:53:53,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:53:53,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:53:53,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-24 17:53:53,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:53:53,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 17:53:53,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:53:53,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:53:53,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:53:53,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:53:53,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:53:53,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 17:53:53,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:53:53,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:53:53,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:53:53,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 17:53:53,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:53:53,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 17:53:53,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:53:53,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:53:53,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:53:53,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:53:53,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:53:53,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2020-09-24 17:53:53,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:53:53,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:53:53,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:53:53,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-09-24 17:53:53,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:53:53,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-24 17:53:53,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:53:53,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:53:53,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-09-24 17:53:53,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:53:53,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:53:53,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-09-24 17:53:53,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:53:53,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:53:53,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:53:53,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 17:53:53,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:53:53,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 17:53:53,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:53:53,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:53:53,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:53:53,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:53:53,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:53:53,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-24 17:53:53,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:53:53,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:53:53,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:53:53,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 17:53:53,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:53:53,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 17:53:53,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:53:53,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:53:53,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:53:53,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:53:53,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:53:53,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2020-09-24 17:53:53,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:53:53,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:53:53,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:53:53,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 17:53:53,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:53:53,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 17:53:53,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:53:53,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:53:53,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-24 17:53:53,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:53:53,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:53:53,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2020-09-24 17:53:53,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:53:53,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:53:53,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:53:53,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 17:53:53,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:53:53,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 17:53:53,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:53:53,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:53:53,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-24 17:53:53,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:53:53,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 17:53:53,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2020-09-24 17:53:53,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:53:53,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:53:53,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:53:53,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 17:53:53,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:53:53,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 17:53:53,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:53:53,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:53:53,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-24 17:53:53,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:53:53,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:53:53,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2020-09-24 17:53:53,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:53:53,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:53:53,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:53:53,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-24 17:53:53,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:53:53,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 17:53:53,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:53:53,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:53:53,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-09-24 17:53:53,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:53:53,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:53:53,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-24 17:53:53,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:53:53,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:53:53,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:53:53,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 17:53:53,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:53:53,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:53:53,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:53:53,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:53:53,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:53:53,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:53:53,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:53:53,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2020-09-24 17:53:53,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:53:53,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:53:53,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:53:53,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-24 17:53:53,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:53:53,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 17:53:53,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:53:53,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:53:53,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-09-24 17:53:53,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:53:53,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:53:53,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2020-09-24 17:53:53,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:53:53,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:53:53,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:53:53,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-24 17:53:53,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:53:53,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 17:53:53,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:53:53,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:53:53,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-24 17:53:53,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:53:53,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:53:53,639 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-09-24 17:53:53,641 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1813829494] [2020-09-24 17:53:53,641 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 17:53:53,641 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-24 17:53:53,641 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032772115] [2020-09-24 17:53:53,647 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-24 17:53:53,647 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 17:53:53,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-24 17:53:53,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-09-24 17:53:53,649 INFO L87 Difference]: Start difference. First operand 546 states and 594 transitions. Second operand 9 states. [2020-09-24 17:53:57,246 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification that was a NOOP. DAG size: 502 [2020-09-24 17:54:03,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 17:54:03,258 INFO L93 Difference]: Finished difference Result 989 states and 1121 transitions. [2020-09-24 17:54:03,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-24 17:54:03,262 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 383 [2020-09-24 17:54:03,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 17:54:03,274 INFO L225 Difference]: With dead ends: 989 [2020-09-24 17:54:03,274 INFO L226 Difference]: Without dead ends: 761 [2020-09-24 17:54:03,282 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=75, Invalid=135, Unknown=0, NotChecked=0, Total=210 [2020-09-24 17:54:03,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 761 states. [2020-09-24 17:54:03,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 761 to 548. [2020-09-24 17:54:03,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 548 states. [2020-09-24 17:54:03,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 548 states and 596 transitions. [2020-09-24 17:54:03,394 INFO L78 Accepts]: Start accepts. Automaton has 548 states and 596 transitions. Word has length 383 [2020-09-24 17:54:03,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 17:54:03,395 INFO L479 AbstractCegarLoop]: Abstraction has 548 states and 596 transitions. [2020-09-24 17:54:03,395 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-24 17:54:03,395 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 596 transitions. [2020-09-24 17:54:03,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2020-09-24 17:54:03,402 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 17:54:03,402 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] [2020-09-24 17:54:03,403 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 17:54:03,403 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 17:54:03,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 17:54:03,403 INFO L82 PathProgramCache]: Analyzing trace with hash 2068259170, now seen corresponding path program 1 times [2020-09-24 17:54:03,404 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 17:54:03,404 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1410739098] [2020-09-24 17:54:03,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 17:54:03,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:54:03,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:54:03,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:54:03,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:54:06,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:54:08,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:54:08,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 457 [2020-09-24 17:54:08,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 17:54:08,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5068 [2020-09-24 17:54:08,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:54:08,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 17:54:08,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 271 [2020-09-24 17:54:08,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-09-24 17:54:08,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:54:10,093 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification that was a NOOP. DAG size: 499 [2020-09-24 17:54:10,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 17:54:10,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:54:10,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:54:10,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:54:10,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-09-24 17:54:10,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:54:10,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 142 [2020-09-24 17:54:10,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:54:10,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:54:10,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:54:10,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:54:10,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:54:10,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-09-24 17:54:10,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:54:10,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:54:10,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:54:10,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 17:54:10,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:54:10,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:54:10,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:54:10,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:54:10,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:54:10,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:54:10,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:54:10,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-09-24 17:54:10,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:54:10,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:54:10,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:54:10,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 17:54:10,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:54:10,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 17:54:10,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:54:10,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:54:10,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:54:10,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:54:10,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:54:10,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-24 17:54:10,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:54:10,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:54:10,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 17:54:10,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 17:54:10,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 17:54:10,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 17:54:10,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 17:54:10,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 17:54:10,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 17:54:10,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 17:54:10,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 17:54:10,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-09-24 17:54:10,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 17:54:10,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:54:10,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 17:54:10,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking...