/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.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 SequenceOfStatements --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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/email_spec8_product22.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 16:29:52,859 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 16:29:52,862 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 16:29:52,899 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 16:29:52,899 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 16:29:52,901 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 16:29:52,902 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 16:29:52,905 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 16:29:52,907 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 16:29:52,908 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 16:29:52,909 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 16:29:52,910 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 16:29:52,911 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 16:29:52,912 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 16:29:52,913 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 16:29:52,915 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 16:29:52,916 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 16:29:52,917 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 16:29:52,919 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 16:29:52,921 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 16:29:52,923 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 16:29:52,924 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 16:29:52,926 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 16:29:52,927 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 16:29:52,930 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 16:29:52,931 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 16:29:52,931 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 16:29:52,932 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 16:29:52,933 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 16:29:52,934 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 16:29:52,934 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 16:29:52,935 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 16:29:52,936 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 16:29:52,937 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 16:29:52,943 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 16:29:52,943 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 16:29:52,946 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 16:29:52,946 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 16:29:52,959 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 16:29:52,960 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 16:29:52,961 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 16:29:52,962 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 [2020-10-28 16:29:53,018 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 16:29:53,018 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 16:29:53,020 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 16:29:53,021 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 16:29:53,021 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 16:29:53,022 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 16:29:53,022 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 16:29:53,022 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 16:29:53,022 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 16:29:53,022 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 16:29:53,023 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 16:29:53,023 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 16:29:53,023 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 16:29:53,024 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 16:29:53,024 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 16:29:53,024 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 16:29:53,024 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 16:29:53,024 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 16:29:53,024 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 16:29:53,024 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 16:29:53,025 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 16:29:53,025 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 16:29:53,025 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 16:29:53,025 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 16:29:53,025 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 16:29:53,025 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 16:29:53,025 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 16:29:53,026 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 16:29:53,026 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 16:29:53,026 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 16:29:53,422 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 16:29:53,448 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 16:29:53,452 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 16:29:53,453 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 16:29:53,454 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 16:29:53,455 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec8_product22.cil.c [2020-10-28 16:29:53,540 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5eb233e6b/9f0bd755cea84a0f9ac331292e7688cd/FLAG68eb46f0e [2020-10-28 16:29:54,400 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 16:29:54,401 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/email_spec8_product22.cil.c [2020-10-28 16:29:54,425 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5eb233e6b/9f0bd755cea84a0f9ac331292e7688cd/FLAG68eb46f0e [2020-10-28 16:29:54,541 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5eb233e6b/9f0bd755cea84a0f9ac331292e7688cd [2020-10-28 16:29:54,545 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 16:29:54,552 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 16:29:54,554 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 16:29:54,554 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 16:29:54,558 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 16:29:54,559 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 04:29:54" (1/1) ... [2020-10-28 16:29:54,562 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f0e310e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:29:54, skipping insertion in model container [2020-10-28 16:29:54,563 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 04:29:54" (1/1) ... [2020-10-28 16:29:54,572 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 16:29:54,641 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 16:29:55,331 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 16:29:55,354 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 16:29:55,479 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 16:29:55,605 INFO L208 MainTranslator]: Completed translation [2020-10-28 16:29:55,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:29:55 WrapperNode [2020-10-28 16:29:55,608 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 16:29:55,609 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 16:29:55,610 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 16:29:55,610 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 16:29:55,623 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:29:55" (1/1) ... [2020-10-28 16:29:55,625 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:29:55" (1/1) ... [2020-10-28 16:29:55,662 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:29:55" (1/1) ... [2020-10-28 16:29:55,663 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:29:55" (1/1) ... [2020-10-28 16:29:55,719 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:29:55" (1/1) ... [2020-10-28 16:29:55,741 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:29:55" (1/1) ... [2020-10-28 16:29:55,766 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:29:55" (1/1) ... [2020-10-28 16:29:55,800 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 16:29:55,804 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 16:29:55,804 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 16:29:55,804 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 16:29:55,806 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:29:55" (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 [2020-10-28 16:29:55,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 16:29:55,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 16:29:55,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-28 16:29:55,897 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 16:29:55,897 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2020-10-28 16:29:55,898 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2020-10-28 16:29:55,898 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2020-10-28 16:29:55,898 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2020-10-28 16:29:55,899 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2020-10-28 16:29:55,899 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2020-10-28 16:29:55,900 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2020-10-28 16:29:55,900 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2020-10-28 16:29:55,900 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-28 16:29:55,900 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 16:29:55,900 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2020-10-28 16:29:55,901 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2020-10-28 16:29:55,901 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2020-10-28 16:29:55,902 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2020-10-28 16:29:55,902 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2020-10-28 16:29:55,902 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2020-10-28 16:29:55,902 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2020-10-28 16:29:55,902 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2020-10-28 16:29:55,902 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2020-10-28 16:29:55,902 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2020-10-28 16:29:55,903 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2020-10-28 16:29:55,903 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2020-10-28 16:29:55,903 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2020-10-28 16:29:55,903 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2020-10-28 16:29:55,903 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2020-10-28 16:29:55,903 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2020-10-28 16:29:55,904 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2020-10-28 16:29:55,904 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2020-10-28 16:29:55,904 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2020-10-28 16:29:55,904 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2020-10-28 16:29:55,904 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2020-10-28 16:29:55,905 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2020-10-28 16:29:55,905 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2020-10-28 16:29:55,905 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2020-10-28 16:29:55,905 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2020-10-28 16:29:55,905 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2020-10-28 16:29:55,905 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2020-10-28 16:29:55,905 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2020-10-28 16:29:55,905 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2020-10-28 16:29:55,906 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2020-10-28 16:29:55,906 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2020-10-28 16:29:55,906 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2020-10-28 16:29:55,906 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-28 16:29:55,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-28 16:29:55,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-28 16:29:55,907 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-28 16:29:55,907 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-28 16:29:55,907 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-28 16:29:55,907 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-28 16:29:55,908 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-28 16:29:55,908 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2020-10-28 16:29:55,908 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2020-10-28 16:29:55,908 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2020-10-28 16:29:55,909 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2020-10-28 16:29:55,909 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2020-10-28 16:29:55,909 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2020-10-28 16:29:55,909 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AutoResponder [2020-10-28 16:29:55,910 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2020-10-28 16:29:55,910 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2020-10-28 16:29:55,910 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2020-10-28 16:29:55,910 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2020-10-28 16:29:55,910 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2020-10-28 16:29:55,910 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2020-10-28 16:29:55,910 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2020-10-28 16:29:55,910 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2020-10-28 16:29:55,911 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2020-10-28 16:29:55,911 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2020-10-28 16:29:55,911 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2020-10-28 16:29:55,913 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2020-10-28 16:29:55,913 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-28 16:29:55,914 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-28 16:29:55,914 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-28 16:29:55,914 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-28 16:29:55,932 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2020-10-28 16:29:55,932 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2020-10-28 16:29:55,932 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2020-10-28 16:29:55,932 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2020-10-28 16:29:55,932 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2020-10-28 16:29:55,933 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2020-10-28 16:29:55,934 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2020-10-28 16:29:55,934 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2020-10-28 16:29:55,934 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2020-10-28 16:29:55,934 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2020-10-28 16:29:55,934 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2020-10-28 16:29:55,934 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2020-10-28 16:29:55,935 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2020-10-28 16:29:55,935 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2020-10-28 16:29:55,935 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2020-10-28 16:29:55,935 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2020-10-28 16:29:55,935 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2020-10-28 16:29:55,935 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2020-10-28 16:29:55,935 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2020-10-28 16:29:55,936 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2020-10-28 16:29:55,936 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2020-10-28 16:29:55,936 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2020-10-28 16:29:55,936 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2020-10-28 16:29:55,936 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2020-10-28 16:29:55,936 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2020-10-28 16:29:55,936 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2020-10-28 16:29:55,936 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2020-10-28 16:29:55,937 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2020-10-28 16:29:55,937 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2020-10-28 16:29:55,937 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2020-10-28 16:29:55,937 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2020-10-28 16:29:55,937 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2020-10-28 16:29:55,938 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2020-10-28 16:29:55,938 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2020-10-28 16:29:55,938 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2020-10-28 16:29:55,938 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__1 [2020-10-28 16:29:55,939 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__2 [2020-10-28 16:29:55,939 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 16:29:55,939 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 16:29:55,941 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 16:29:55,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 16:29:55,941 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 16:29:55,941 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-28 16:29:55,942 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-28 16:29:55,942 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2020-10-28 16:29:55,942 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2020-10-28 16:29:55,942 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2020-10-28 16:29:55,942 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2020-10-28 16:29:55,942 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2020-10-28 16:29:55,942 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2020-10-28 16:29:55,942 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2020-10-28 16:29:55,943 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2020-10-28 16:29:55,943 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2020-10-28 16:29:55,944 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-28 16:29:55,945 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-28 16:29:55,947 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-28 16:29:55,948 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2020-10-28 16:29:55,948 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2020-10-28 16:29:55,948 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2020-10-28 16:29:55,948 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2020-10-28 16:29:55,949 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2020-10-28 16:29:55,949 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2020-10-28 16:29:55,951 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2020-10-28 16:29:55,951 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2020-10-28 16:29:55,951 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2020-10-28 16:29:55,951 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2020-10-28 16:29:55,956 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2020-10-28 16:29:55,957 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-28 16:29:55,957 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-28 16:29:55,957 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 16:29:55,957 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2020-10-28 16:29:55,957 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2020-10-28 16:29:55,957 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2020-10-28 16:29:55,957 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2020-10-28 16:29:55,957 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2020-10-28 16:29:55,958 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2020-10-28 16:29:55,958 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2020-10-28 16:29:55,958 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2020-10-28 16:29:55,958 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2020-10-28 16:29:55,958 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2020-10-28 16:29:55,958 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2020-10-28 16:29:55,958 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2020-10-28 16:29:55,959 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2020-10-28 16:29:55,959 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2020-10-28 16:29:55,959 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2020-10-28 16:29:55,960 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2020-10-28 16:29:55,960 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2020-10-28 16:29:55,960 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2020-10-28 16:29:55,960 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2020-10-28 16:29:55,960 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2020-10-28 16:29:55,960 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2020-10-28 16:29:55,960 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2020-10-28 16:29:55,960 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2020-10-28 16:29:55,960 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2020-10-28 16:29:55,961 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2020-10-28 16:29:55,961 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2020-10-28 16:29:55,961 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2020-10-28 16:29:55,961 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2020-10-28 16:29:55,961 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2020-10-28 16:29:55,961 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2020-10-28 16:29:55,961 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2020-10-28 16:29:55,961 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2020-10-28 16:29:55,961 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2020-10-28 16:29:55,962 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2020-10-28 16:29:55,962 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2020-10-28 16:29:55,962 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 16:29:55,962 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 16:29:55,962 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-28 16:29:55,962 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 16:29:55,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 16:29:55,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 16:29:55,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 16:29:55,963 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-28 16:29:55,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 16:29:55,963 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-28 16:29:55,963 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-28 16:29:55,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 16:29:55,963 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-28 16:29:55,963 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-28 16:29:55,963 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-28 16:29:55,964 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-28 16:29:55,964 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2020-10-28 16:29:55,964 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2020-10-28 16:29:55,964 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2020-10-28 16:29:55,964 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2020-10-28 16:29:55,964 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2020-10-28 16:29:55,964 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2020-10-28 16:29:55,964 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2020-10-28 16:29:55,964 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2020-10-28 16:29:55,965 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2020-10-28 16:29:55,965 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2020-10-28 16:29:55,965 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2020-10-28 16:29:55,965 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2020-10-28 16:29:55,965 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2020-10-28 16:29:55,965 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2020-10-28 16:29:55,965 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2020-10-28 16:29:55,965 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2020-10-28 16:29:55,966 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2020-10-28 16:29:55,966 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__2 [2020-10-28 16:29:55,966 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2020-10-28 16:29:55,966 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2020-10-28 16:29:55,966 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AutoResponder [2020-10-28 16:29:55,966 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2020-10-28 16:29:55,966 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__1 [2020-10-28 16:29:55,966 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-28 16:29:55,967 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2020-10-28 16:29:55,967 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2020-10-28 16:29:55,967 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2020-10-28 16:29:55,967 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2020-10-28 16:29:55,967 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2020-10-28 16:29:55,967 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2020-10-28 16:29:55,967 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2020-10-28 16:29:55,967 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2020-10-28 16:29:55,968 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2020-10-28 16:29:55,968 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2020-10-28 16:29:55,968 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2020-10-28 16:29:55,968 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2020-10-28 16:29:55,968 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2020-10-28 16:29:55,968 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2020-10-28 16:29:55,968 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2020-10-28 16:29:55,968 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2020-10-28 16:29:55,969 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2020-10-28 16:29:55,969 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2020-10-28 16:29:55,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 16:29:55,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 16:29:55,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 16:29:58,512 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 16:29:58,512 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-28 16:29:58,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 04:29:58 BoogieIcfgContainer [2020-10-28 16:29:58,516 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 16:29:58,518 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 16:29:58,518 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 16:29:58,522 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 16:29:58,522 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 04:29:54" (1/3) ... [2020-10-28 16:29:58,523 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e9225c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 04:29:58, skipping insertion in model container [2020-10-28 16:29:58,523 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:29:55" (2/3) ... [2020-10-28 16:29:58,523 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e9225c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 04:29:58, skipping insertion in model container [2020-10-28 16:29:58,524 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 04:29:58" (3/3) ... [2020-10-28 16:29:58,525 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec8_product22.cil.c [2020-10-28 16:29:58,538 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 16:29:58,545 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-28 16:29:58,560 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-28 16:29:58,592 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 16:29:58,592 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 16:29:58,593 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 16:29:58,593 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 16:29:58,593 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 16:29:58,593 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 16:29:58,593 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 16:29:58,593 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 16:29:58,656 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states. [2020-10-28 16:29:58,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-10-28 16:29:58,678 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:29:58,679 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:29:58,680 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:29:58,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:29:58,687 INFO L82 PathProgramCache]: Analyzing trace with hash -1631020271, now seen corresponding path program 1 times [2020-10-28 16:29:58,697 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:29:58,698 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1808002663] [2020-10-28 16:29:58,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:29:59,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:29:59,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:29:59,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:29:59,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:01,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:02,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:04,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:04,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:04,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 218 [2020-10-28 16:30:04,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 16:30:04,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5460 [2020-10-28 16:30:04,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:04,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:04,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:04,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 121 [2020-10-28 16:30:04,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:04,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 16:30:07,005 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification that was a NOOP. DAG size: 580 [2020-10-28 16:30:07,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:30:07,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:07,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:07,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:07,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:30:07,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:07,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-28 16:30:07,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:07,103 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:07,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:07,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:30:07,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:07,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:30:07,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:30:07,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:07,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:07,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:07,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:30:07,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:07,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:30:07,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:07,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:07,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:07,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:30:07,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:07,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:30:07,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:30:07,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:07,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:07,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:07,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:30:07,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:07,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:30:07,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:07,149 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:07,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:07,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:30:07,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:07,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:30:07,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:30:07,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:07,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:07,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:07,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:30:07,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:07,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:30:07,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:07,156 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:07,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:07,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:30:07,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:07,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:30:07,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:30:07,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:07,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:07,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:07,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:07,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:09,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:12,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:12,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-28 16:30:12,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:30:12,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-28 16:30:12,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:12,207 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:12,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:12,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:30:12,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:12,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:30:12,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:30:12,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:12,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:12,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:12,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:30:12,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:12,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 16:30:12,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:12,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:12,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:12,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:30:12,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:12,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:30:12,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:30:12,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:12,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:12,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:12,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:30:12,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:12,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:30:12,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:12,306 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:12,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:12,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:30:12,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:12,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:30:12,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:30:12,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:12,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:12,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:12,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:30:12,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:12,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:30:12,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:12,321 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:12,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:12,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:30:12,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:12,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 16:30:12,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:30:12,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:12,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:12,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:12,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:30:12,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:12,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:30:12,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:12,359 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:12,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:12,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:30:12,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:12,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:30:12,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 16:30:12,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:12,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:12,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:12,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:30:12,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:12,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 16:30:12,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:12,382 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:12,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:12,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:30:12,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:12,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:30:12,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:30:12,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:12,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:12,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:12,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:30:12,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:12,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 16:30:12,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:12,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:12,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:12,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:30:12,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:12,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:30:12,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:30:12,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:12,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:12,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:12,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:30:12,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:12,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:30:12,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:12,406 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:12,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:12,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:30:12,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:12,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:30:12,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:30:12,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:12,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:12,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:12,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:30:12,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:12,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 16:30:12,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:12,418 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:12,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:12,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:30:12,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:12,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:30:12,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 16:30:12,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:12,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:12,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:12,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:30:12,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:12,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 16:30:12,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:12,432 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:12,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:12,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:30:12,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:12,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:30:12,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:30:12,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:12,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:12,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:12,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:30:12,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:12,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:30:12,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:12,444 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:12,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:12,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:30:12,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:12,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:30:12,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:30:12,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:12,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:12,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:12,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:30:12,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:12,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:30:12,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:12,464 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:12,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:12,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:30:12,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:12,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:30:12,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:30:12,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:12,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:12,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:12,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:30:12,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:12,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:30:12,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:12,476 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:12,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:12,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:30:12,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:12,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:30:12,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-28 16:30:12,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:12,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:12,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:12,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 16:30:12,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:12,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 16:30:12,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:12,531 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:12,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:12,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-28 16:30:12,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:12,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:30:12,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:30:12,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:12,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:12,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:12,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:30:12,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:12,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:30:12,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:12,562 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:12,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:12,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:30:12,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:12,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:30:12,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:30:12,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:12,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:12,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:12,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:30:12,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:12,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:30:12,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:12,592 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:12,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:12,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:30:12,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:12,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:30:12,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-28 16:30:12,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:12,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:12,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:12,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:30:12,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:12,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:30:12,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:12,599 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:12,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:12,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:30:12,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:12,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:30:12,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-28 16:30:12,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:12,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:12,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:12,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 16:30:12,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:12,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:30:12,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:12,607 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:12,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:12,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 16:30:12,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:12,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:30:12,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-28 16:30:12,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:12,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:12,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:12,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:30:12,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:12,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:30:12,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:12,613 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:12,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:12,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:30:12,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:12,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:30:12,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-28 16:30:12,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:12,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:12,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:12,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:30:12,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:12,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:30:12,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:12,620 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:12,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:12,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:30:12,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:12,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:30:12,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-28 16:30:12,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:12,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:12,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:12,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:30:12,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:12,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:30:12,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:12,627 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:12,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:12,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:30:12,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:12,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:30:12,733 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-28 16:30:12,734 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1808002663] [2020-10-28 16:30:12,736 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:30:12,736 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 16:30:12,737 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028371997] [2020-10-28 16:30:12,745 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 16:30:12,745 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:30:12,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 16:30:12,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-10-28 16:30:12,763 INFO L87 Difference]: Start difference. First operand 516 states. Second operand 10 states. [2020-10-28 16:30:32,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:30:32,790 INFO L93 Difference]: Finished difference Result 1119 states and 1621 transitions. [2020-10-28 16:30:32,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-28 16:30:32,793 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 146 [2020-10-28 16:30:32,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:30:32,822 INFO L225 Difference]: With dead ends: 1119 [2020-10-28 16:30:32,822 INFO L226 Difference]: Without dead ends: 781 [2020-10-28 16:30:32,832 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=147, Invalid=315, Unknown=0, NotChecked=0, Total=462 [2020-10-28 16:30:32,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 781 states. [2020-10-28 16:30:33,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 781 to 490. [2020-10-28 16:30:33,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 490 states. [2020-10-28 16:30:33,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 490 states and 648 transitions. [2020-10-28 16:30:33,208 INFO L78 Accepts]: Start accepts. Automaton has 490 states and 648 transitions. Word has length 146 [2020-10-28 16:30:33,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:30:33,209 INFO L481 AbstractCegarLoop]: Abstraction has 490 states and 648 transitions. [2020-10-28 16:30:33,209 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 16:30:33,209 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 648 transitions. [2020-10-28 16:30:33,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-28 16:30:33,216 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:30:33,216 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:30:33,216 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 16:30:33,217 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:30:33,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:30:33,217 INFO L82 PathProgramCache]: Analyzing trace with hash -286864453, now seen corresponding path program 1 times [2020-10-28 16:30:33,218 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:30:33,218 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2019008281] [2020-10-28 16:30:33,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:30:33,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:33,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:33,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:33,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:33,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:33,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:38,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:38,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 219 [2020-10-28 16:30:38,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:30:38,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-10-28 16:30:38,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:38,325 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:38,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:30:38,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-28 16:30:38,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 16:30:38,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:30:40,627 WARN L193 SmtUtils]: Spent 2.20 s on a formula simplification that was a NOOP. DAG size: 580 [2020-10-28 16:30:40,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:30:40,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:40,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:40,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:40,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:30:40,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:40,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-28 16:30:40,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:40,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:40,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:40,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:30:40,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:40,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:30:40,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:30:40,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:40,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:40,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:40,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:30:40,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:40,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:30:40,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:40,757 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:40,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:40,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:30:40,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:40,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:30:40,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:30:40,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:40,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:40,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:40,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:30:40,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:40,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:30:40,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:40,762 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:40,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:40,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:30:40,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:40,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:30:40,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:30:40,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:40,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:40,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:40,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:30:40,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:40,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:30:40,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:40,767 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:40,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:40,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:30:40,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:40,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:30:40,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:30:40,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:40,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:40,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:40,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:40,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:41,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:45,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:45,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-28 16:30:45,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:30:45,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-28 16:30:45,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:45,810 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:45,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:45,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:30:45,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:45,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:30:45,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:30:45,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:45,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:45,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:45,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:30:45,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:45,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:30:45,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:45,850 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:45,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:45,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:30:45,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:45,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:30:45,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:30:45,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:45,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:45,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:45,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:30:45,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:45,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:30:45,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:45,887 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:45,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:45,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:30:45,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:45,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:30:45,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:30:45,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:45,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:45,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:45,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:30:45,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:45,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:30:45,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:45,894 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:45,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:45,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:30:45,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:45,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:30:45,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:30:45,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:45,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:45,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:45,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:30:45,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:45,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:30:45,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:45,931 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:45,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:45,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:30:45,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:45,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:30:45,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 16:30:45,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:45,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:45,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:45,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:30:45,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:45,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 16:30:45,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:45,946 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:45,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:45,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:30:45,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:45,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:30:45,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:30:45,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:45,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:45,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:45,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:30:45,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:45,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:30:45,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:45,959 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:45,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:45,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:30:45,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:45,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:30:45,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:30:45,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:45,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:45,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:45,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:30:45,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:45,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:30:45,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:45,971 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:45,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:45,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:30:45,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:45,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:30:45,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:30:45,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:45,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:45,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:45,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:30:45,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:45,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:30:45,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:45,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:45,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:45,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:30:45,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:45,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:30:45,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 16:30:45,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:45,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:45,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:45,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:30:45,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:45,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 16:30:45,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:45,995 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:45,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:45,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:30:45,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:45,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:30:46,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:30:46,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:46,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:46,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:46,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:30:46,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:46,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:30:46,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:46,009 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:46,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:46,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:30:46,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:46,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:30:46,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:30:46,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:46,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:46,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:46,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:30:46,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:46,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:30:46,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:46,019 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:46,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:46,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:30:46,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:46,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:30:46,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:30:46,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:46,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:46,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:46,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:30:46,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:46,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:30:46,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:46,030 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:46,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:46,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:30:46,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:46,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:30:46,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-28 16:30:46,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:46,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:46,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:46,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 16:30:46,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:46,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 16:30:46,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:46,098 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:46,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:46,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-28 16:30:46,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:46,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:30:46,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:30:46,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:46,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:46,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:46,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:30:46,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:46,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:30:46,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:46,140 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:46,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:46,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:30:46,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:46,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:30:46,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:30:46,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:46,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:46,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:46,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:30:46,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:46,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:30:46,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:46,184 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:46,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:46,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:30:46,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:46,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:30:46,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-28 16:30:46,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:46,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:46,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:46,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:30:46,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:46,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:30:46,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:46,193 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:46,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:46,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:30:46,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:46,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:30:46,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-28 16:30:46,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:46,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:46,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:46,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 16:30:46,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:46,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:30:46,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:46,204 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:46,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:46,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 16:30:46,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:46,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:30:46,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-28 16:30:46,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:46,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:46,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:46,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:30:46,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:46,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:30:46,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:46,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:46,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:46,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:30:46,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:46,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:30:46,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-28 16:30:46,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:46,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:46,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:46,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:30:46,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:46,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:30:46,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:46,219 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:46,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:46,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:30:46,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:46,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:30:46,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-28 16:30:46,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:30:46,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:30:46,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:30:46,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:30:46,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:30:46,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:30:46,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:30:46,227 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:30:46,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:30:46,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:30:46,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:30:46,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:30:46,361 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-28 16:30:46,361 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2019008281] [2020-10-28 16:30:46,362 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:30:46,362 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-28 16:30:46,362 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23565629] [2020-10-28 16:30:46,365 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 16:30:46,367 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:30:46,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 16:30:46,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-28 16:30:46,368 INFO L87 Difference]: Start difference. First operand 490 states and 648 transitions. Second operand 11 states. [2020-10-28 16:30:51,423 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification that was a NOOP. DAG size: 583 [2020-10-28 16:31:05,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:31:05,790 INFO L93 Difference]: Finished difference Result 1031 states and 1451 transitions. [2020-10-28 16:31:05,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 16:31:05,791 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 147 [2020-10-28 16:31:05,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:31:05,813 INFO L225 Difference]: With dead ends: 1031 [2020-10-28 16:31:05,813 INFO L226 Difference]: Without dead ends: 784 [2020-10-28 16:31:05,816 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=106, Invalid=200, Unknown=0, NotChecked=0, Total=306 [2020-10-28 16:31:05,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 784 states. [2020-10-28 16:31:06,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 784 to 492. [2020-10-28 16:31:06,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 492 states. [2020-10-28 16:31:06,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 492 states and 650 transitions. [2020-10-28 16:31:06,112 INFO L78 Accepts]: Start accepts. Automaton has 492 states and 650 transitions. Word has length 147 [2020-10-28 16:31:06,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:31:06,112 INFO L481 AbstractCegarLoop]: Abstraction has 492 states and 650 transitions. [2020-10-28 16:31:06,113 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 16:31:06,113 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 650 transitions. [2020-10-28 16:31:06,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-28 16:31:06,116 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:31:06,116 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:31:06,117 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 16:31:06,117 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:31:06,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:31:06,118 INFO L82 PathProgramCache]: Analyzing trace with hash -998276180, now seen corresponding path program 1 times [2020-10-28 16:31:06,118 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:31:06,118 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [397766157] [2020-10-28 16:31:06,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:31:06,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:06,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:06,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:06,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:06,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:06,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:08,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:08,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:08,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:08,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:08,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:09,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:09,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:09,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:09,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:09,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:11,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:11,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-28 16:31:11,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-28 16:31:11,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-10-28 16:31:11,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:11,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:11,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:31:11,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-28 16:31:11,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-28 16:31:11,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:13,310 WARN L193 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 580 [2020-10-28 16:31:13,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:31:13,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:13,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:13,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:13,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:31:13,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:13,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-28 16:31:13,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:13,400 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:13,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:13,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:31:13,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:13,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:13,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:31:13,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:13,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:13,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:13,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:31:13,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:13,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:31:13,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:13,422 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:13,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:13,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:31:13,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:13,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:13,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:31:13,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:13,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:13,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:13,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:31:13,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:13,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:31:13,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:13,427 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:13,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:13,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:31:13,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:13,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:13,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:31:13,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:13,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:13,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:13,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:31:13,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:13,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:31:13,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:13,432 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:13,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:13,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:31:13,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:13,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:13,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:31:13,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:13,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:13,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:13,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:13,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:14,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:18,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:18,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-28 16:31:18,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:31:18,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-28 16:31:18,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:18,470 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:18,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:18,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:31:18,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:18,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:31:18,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:31:18,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:18,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:18,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:18,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:31:18,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:18,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:31:18,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:18,523 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:18,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:18,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:31:18,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:18,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:18,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:31:18,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:18,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:18,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:18,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:31:18,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:18,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:31:18,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:18,556 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:18,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:18,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:31:18,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:18,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:18,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:31:18,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:18,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:18,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:18,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:31:18,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:18,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:31:18,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:18,561 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:18,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:18,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:31:18,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:18,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:18,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:31:18,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:18,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:18,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:18,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:31:18,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:18,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:31:18,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:18,593 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:18,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:18,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:31:18,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:18,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:18,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 16:31:18,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:18,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:18,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:18,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:31:18,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:18,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 16:31:18,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:18,605 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:18,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:18,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:31:18,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:18,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:18,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:31:18,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:18,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:18,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:18,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:31:18,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:18,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:31:18,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:18,616 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:18,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:18,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:31:18,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:18,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:18,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:31:18,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:18,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:18,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:18,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:31:18,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:18,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:31:18,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:18,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:18,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:18,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:31:18,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:18,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:18,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:31:18,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:18,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:18,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:18,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:31:18,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:18,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:31:18,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:18,629 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:18,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:18,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:31:18,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:18,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:18,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 16:31:18,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:18,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:18,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:18,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:31:18,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:18,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:31:18,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:18,640 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:18,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:18,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:31:18,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:18,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:18,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:31:18,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:18,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:18,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:18,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:31:18,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:18,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:31:18,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:18,648 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:18,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:18,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:31:18,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:18,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:18,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:31:18,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:18,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:18,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:18,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:31:18,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:18,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:31:18,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:18,653 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:18,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:18,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:31:18,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:18,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:18,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:31:18,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:18,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:18,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:18,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:31:18,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:18,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:31:18,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:18,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:18,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:18,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:31:18,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:18,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:18,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-28 16:31:18,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:18,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:18,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:18,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 16:31:18,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:18,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 16:31:18,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:18,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:18,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:18,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-28 16:31:18,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:18,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:18,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:31:18,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:18,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:18,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:18,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:31:18,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:18,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:31:18,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:18,731 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:18,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:18,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:31:18,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:18,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:18,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:31:18,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:18,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:18,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:18,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:31:18,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:18,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:31:18,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:18,760 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:18,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:18,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:31:18,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:18,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:18,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-28 16:31:18,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:18,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:18,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:18,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:31:18,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:18,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:31:18,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:18,765 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:18,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:18,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:31:18,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:18,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:18,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-28 16:31:18,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:18,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:18,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:18,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 16:31:18,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:18,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:31:18,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:18,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:18,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:18,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 16:31:18,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:18,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:18,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-28 16:31:18,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:18,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:18,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:18,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:31:18,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:18,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:31:18,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:18,775 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:18,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:18,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:31:18,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:18,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:18,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-28 16:31:18,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:18,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:18,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:18,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:31:18,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:18,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:31:18,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:18,781 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:18,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:18,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:31:18,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:18,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:18,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-28 16:31:18,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:18,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:18,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:18,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:31:18,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:18,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:31:18,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:18,786 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:18,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:18,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:31:18,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:18,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:18,850 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-28 16:31:18,850 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [397766157] [2020-10-28 16:31:18,851 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:31:18,851 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-28 16:31:18,851 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611538723] [2020-10-28 16:31:18,852 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 16:31:18,852 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:31:18,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 16:31:18,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-28 16:31:18,853 INFO L87 Difference]: Start difference. First operand 492 states and 650 transitions. Second operand 11 states. [2020-10-28 16:31:23,664 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification that was a NOOP. DAG size: 583 [2020-10-28 16:31:39,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:31:39,830 INFO L93 Difference]: Finished difference Result 1159 states and 1698 transitions. [2020-10-28 16:31:39,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-28 16:31:39,831 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 159 [2020-10-28 16:31:39,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:31:39,840 INFO L225 Difference]: With dead ends: 1159 [2020-10-28 16:31:39,840 INFO L226 Difference]: Without dead ends: 912 [2020-10-28 16:31:39,842 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=133, Invalid=247, Unknown=0, NotChecked=0, Total=380 [2020-10-28 16:31:39,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 912 states. [2020-10-28 16:31:40,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 912 to 534. [2020-10-28 16:31:40,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 534 states. [2020-10-28 16:31:40,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 722 transitions. [2020-10-28 16:31:40,117 INFO L78 Accepts]: Start accepts. Automaton has 534 states and 722 transitions. Word has length 159 [2020-10-28 16:31:40,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:31:40,118 INFO L481 AbstractCegarLoop]: Abstraction has 534 states and 722 transitions. [2020-10-28 16:31:40,118 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 16:31:40,118 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 722 transitions. [2020-10-28 16:31:40,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-28 16:31:40,122 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:31:40,122 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:31:40,122 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 16:31:40,123 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:31:40,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:31:40,123 INFO L82 PathProgramCache]: Analyzing trace with hash -178741447, now seen corresponding path program 1 times [2020-10-28 16:31:40,123 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:31:40,124 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2037683943] [2020-10-28 16:31:40,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:31:40,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:40,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:40,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:40,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:40,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:40,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:42,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:42,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:42,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:42,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:43,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:43,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:43,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:45,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:45,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-28 16:31:45,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-28 16:31:45,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-28 16:31:45,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:45,185 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:45,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 16:31:45,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-28 16:31:45,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-28 16:31:45,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:47,451 WARN L193 SmtUtils]: Spent 2.18 s on a formula simplification that was a NOOP. DAG size: 580 [2020-10-28 16:31:47,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:31:47,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:47,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:47,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:47,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:31:47,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:47,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-28 16:31:47,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:47,518 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:47,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:47,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:31:47,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:47,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:47,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:31:47,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:47,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:47,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:47,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:31:47,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:47,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:31:47,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:47,542 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:47,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:47,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:31:47,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:47,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:47,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:31:47,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:47,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:47,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:47,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:31:47,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:47,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:31:47,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:47,546 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:47,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:47,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:31:47,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:47,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:47,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:31:47,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:47,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:47,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:47,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:31:47,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:47,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:31:47,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:47,550 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:47,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:47,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:31:47,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:47,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:47,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:31:47,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:47,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:47,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:47,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:47,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:48,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:52,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:52,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-28 16:31:52,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:31:52,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-28 16:31:52,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:52,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:52,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:52,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:31:52,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:52,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:52,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:31:52,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:52,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:52,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:52,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:31:52,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:52,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:31:52,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:52,648 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:52,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:52,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:31:52,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:52,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:52,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:31:52,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:52,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:52,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:52,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:31:52,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:52,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:31:52,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:52,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:52,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:52,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:31:52,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:52,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:52,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:31:52,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:52,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:52,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:52,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:31:52,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:52,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:31:52,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:52,685 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:52,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:52,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:31:52,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:52,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:52,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:31:52,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:52,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:52,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:52,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:31:52,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:52,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:31:52,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:52,714 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:52,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:52,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:31:52,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:52,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:52,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 16:31:52,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:52,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:52,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:52,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:31:52,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:52,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:31:52,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:52,723 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:52,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:52,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:31:52,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:52,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:52,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:31:52,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:52,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:52,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:52,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:31:52,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:52,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:31:52,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:52,730 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:52,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:52,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:31:52,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:52,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:52,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:31:52,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:52,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:52,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:52,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:31:52,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:52,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:31:52,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:52,735 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:52,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:52,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:31:52,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:52,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:52,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:31:52,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:52,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:52,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:52,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:31:52,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:52,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:31:52,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:52,741 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:52,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:52,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:31:52,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:52,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:52,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 16:31:52,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:52,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:52,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:52,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:31:52,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:52,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:31:52,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:52,751 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:52,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:52,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:31:52,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:52,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:52,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:31:52,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:52,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:52,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:52,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:31:52,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:52,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:31:52,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:52,760 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:52,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:52,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:31:52,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:52,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:52,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:31:52,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:52,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:52,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:52,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:31:52,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:52,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:31:52,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:52,766 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:52,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:52,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:31:52,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:52,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:52,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:31:52,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:52,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:52,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:52,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:31:52,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:52,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:31:52,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:52,772 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:52,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:52,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:31:52,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:52,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:52,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-28 16:31:52,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:52,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:52,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:52,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 16:31:52,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:52,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 16:31:52,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:52,816 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:52,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:52,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-28 16:31:52,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:52,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:52,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:31:52,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:52,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:52,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:52,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:31:52,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:52,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:31:52,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:52,848 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:52,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:52,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:31:52,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:52,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:31:52,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:31:52,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:52,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:52,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:52,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:31:52,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:52,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:31:52,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:52,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:52,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:52,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:31:52,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:52,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:52,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-28 16:31:52,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:52,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:52,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:52,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:31:52,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:52,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:31:52,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:52,886 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:52,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:52,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:31:52,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:52,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:52,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-28 16:31:52,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:52,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:52,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:52,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 16:31:52,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:52,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:31:52,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:52,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:52,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:52,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 16:31:52,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:52,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:52,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-28 16:31:52,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:52,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:52,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:52,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:31:52,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:52,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:31:52,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:52,895 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:52,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:52,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:31:52,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:52,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:52,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-28 16:31:52,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:52,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:52,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:52,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:31:52,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:52,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:31:52,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:52,899 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:52,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:52,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:31:52,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:52,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:52,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-28 16:31:52,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:31:52,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:31:52,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:31:52,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:31:52,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:31:52,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:31:52,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:31:52,903 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:31:52,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:31:52,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:31:52,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:31:52,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:31:52,949 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-28 16:31:52,949 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2037683943] [2020-10-28 16:31:52,949 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 16:31:52,949 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-28 16:31:52,949 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18955104] [2020-10-28 16:31:52,950 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-28 16:31:52,950 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:31:52,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-28 16:31:52,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2020-10-28 16:31:52,951 INFO L87 Difference]: Start difference. First operand 534 states and 722 transitions. Second operand 12 states. [2020-10-28 16:31:59,238 WARN L193 SmtUtils]: Spent 2.32 s on a formula simplification that was a NOOP. DAG size: 583 [2020-10-28 16:32:01,601 WARN L193 SmtUtils]: Spent 2.31 s on a formula simplification that was a NOOP. DAG size: 583 [2020-10-28 16:32:20,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:32:20,551 INFO L93 Difference]: Finished difference Result 1225 states and 1807 transitions. [2020-10-28 16:32:20,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-28 16:32:20,552 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 159 [2020-10-28 16:32:20,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:32:20,560 INFO L225 Difference]: With dead ends: 1225 [2020-10-28 16:32:20,560 INFO L226 Difference]: Without dead ends: 978 [2020-10-28 16:32:20,562 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 7.4s TimeCoverageRelationStatistics Valid=157, Invalid=305, Unknown=0, NotChecked=0, Total=462 [2020-10-28 16:32:20,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 978 states. [2020-10-28 16:32:20,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 978 to 581. [2020-10-28 16:32:20,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 581 states. [2020-10-28 16:32:20,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 581 states and 800 transitions. [2020-10-28 16:32:20,812 INFO L78 Accepts]: Start accepts. Automaton has 581 states and 800 transitions. Word has length 159 [2020-10-28 16:32:20,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:32:20,812 INFO L481 AbstractCegarLoop]: Abstraction has 581 states and 800 transitions. [2020-10-28 16:32:20,812 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-28 16:32:20,812 INFO L276 IsEmpty]: Start isEmpty. Operand 581 states and 800 transitions. [2020-10-28 16:32:20,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-10-28 16:32:20,816 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:32:20,816 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:32:20,817 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 16:32:20,817 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:32:20,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:32:20,817 INFO L82 PathProgramCache]: Analyzing trace with hash 443947390, now seen corresponding path program 1 times [2020-10-28 16:32:20,818 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:32:20,818 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1939768711] [2020-10-28 16:32:20,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:32:20,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:32:20,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:20,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:20,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:21,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:21,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:22,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:22,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:22,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:22,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:22,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:22,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:22,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:22,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:22,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:24,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:25,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:32:25,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 232 [2020-10-28 16:32:25,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-28 16:32:25,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5028 [2020-10-28 16:32:25,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:32:25,887 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:32:25,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:32:25,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-28 16:32:25,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-28 16:32:25,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:32:28,044 WARN L193 SmtUtils]: Spent 2.10 s on a formula simplification that was a NOOP. DAG size: 580 [2020-10-28 16:32:28,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:32:28,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:32:28,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:28,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:32:28,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:32:28,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:32:28,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-28 16:32:28,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:32:28,098 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:32:28,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:32:28,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:32:28,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:32:28,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:32:28,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:32:28,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:32:28,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:28,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:32:28,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:32:28,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:32:28,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:32:28,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:32:28,118 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:32:28,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:32:28,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:32:28,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:32:28,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:32:28,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:32:28,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:32:28,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:28,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:32:28,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:32:28,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:32:28,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:32:28,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:32:28,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:32:28,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:32:28,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:32:28,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:32:28,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:32:28,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:32:28,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:32:28,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:28,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:32:28,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:32:28,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:32:28,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:32:28,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:32:28,123 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:32:28,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:32:28,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:32:28,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:32:28,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:32:28,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:32:28,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:32:28,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:28,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:28,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:28,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:28,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:32,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:32:32,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-28 16:32:32,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:32:32,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4521 [2020-10-28 16:32:32,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:32:32,683 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:32:32,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:32:32,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:32:32,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:32:32,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:32:32,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:32:32,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:32:32,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:32,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:32:32,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:32:32,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:32:32,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:32:32,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:32:32,723 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:32:32,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:32:32,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:32:32,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:32:32,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:32:32,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:32:32,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:32:32,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:32,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:32:32,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:32:32,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:32:32,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:32:32,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:32:32,753 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:32:32,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:32:32,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:32:32,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:32:32,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:32:32,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:32:32,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:32:32,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:32,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:32:32,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:32:32,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:32:32,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:32:32,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:32:32,758 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:32:32,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:32:32,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:32:32,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:32:32,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:32:32,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:32:32,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:32:32,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:32,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:32:32,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:32:32,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:32:32,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:32:32,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:32:32,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:32:32,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:32:32,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:32:32,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:32:32,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:32:32,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 16:32:32,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:32:32,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:32,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:32:32,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:32:32,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:32:32,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:32:32,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:32:32,790 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:32:32,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:32:32,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:32:32,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:32:32,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:32:32,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:32:32,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:32:32,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:32,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:32:32,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:32:32,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:32:32,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:32:32,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:32:32,796 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:32:32,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:32:32,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:32:32,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:32:32,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:32:32,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:32:32,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:32:32,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:32,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:32:32,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:32:32,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:32:32,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:32:32,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:32:32,800 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:32:32,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:32:32,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:32:32,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:32:32,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:32:32,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:32:32,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:32:32,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:32,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:32:32,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:32:32,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:32:32,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:32:32,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:32:32,805 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:32:32,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:32:32,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:32:32,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:32:32,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:32:32,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 16:32:32,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:32:32,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:32,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:32:32,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:32:32,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:32:32,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:32:32,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:32:32,812 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:32:32,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:32:32,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:32:32,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:32:32,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:32:32,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:32:32,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:32:32,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:32,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:32:32,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:32:32,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:32:32,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:32:32,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:32:32,817 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:32:32,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:32:32,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:32:32,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:32:32,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:32:32,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:32:32,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:32:32,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:32,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:32:32,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:32:32,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:32:32,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:32:32,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:32:32,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:32:32,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:32:32,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:32:32,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:32:32,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:32:32,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:32:32,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:32:32,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:32,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:32:32,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:32:32,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:32:32,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:32:32,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:32:32,827 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:32:32,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:32:32,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:32:32,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:32:32,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:32:32,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-28 16:32:32,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:32:32,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:32,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:32:32,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 16:32:32,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:32:32,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:32:32,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:32:32,863 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:32:32,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:32:32,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-28 16:32:32,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:32:32,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:32:32,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:32:32,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:32:32,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:32,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:32:32,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:32:32,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:32:32,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:32:32,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:32:32,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:32:32,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:32:32,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:32:32,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:32:32,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:32:32,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:32:32,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:32:32,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:32,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:32:32,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:32:32,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:32:32,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:32:32,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:32:32,916 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:32:32,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:32:32,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:32:32,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:32:32,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:32:32,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-28 16:32:32,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:32:32,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:32,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:32:32,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:32:32,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:32:32,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:32:32,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:32:32,920 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:32:32,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:32:32,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:32:32,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:32:32,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:32:32,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-28 16:32:32,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:32:32,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:32,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:32:32,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 16:32:32,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:32:32,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:32:32,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:32:32,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:32:32,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:32:32,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 16:32:32,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:32:32,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:32:32,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-28 16:32:32,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:32:32,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:32,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:32:32,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:32:32,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:32:32,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:32:32,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:32:32,930 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:32:32,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:32:32,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:32:32,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:32:32,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:32:32,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-28 16:32:32,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:32:32,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:32,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:32:32,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:32:32,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:32:32,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:32:32,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:32:32,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:32:32,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:32:32,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:32:32,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:32:32,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:32:32,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-28 16:32:32,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:32:32,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:32,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:32:32,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:32:32,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:32:32,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:32:32,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:32:32,938 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:32:32,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:32:32,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:32:32,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:32:32,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:32:32,984 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-28 16:32:32,985 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1939768711] [2020-10-28 16:32:32,985 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:32:32,985 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-28 16:32:32,985 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627573325] [2020-10-28 16:32:32,985 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 16:32:32,985 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:32:32,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 16:32:32,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-28 16:32:32,986 INFO L87 Difference]: Start difference. First operand 581 states and 800 transitions. Second operand 11 states. [2020-10-28 16:32:38,640 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification that was a NOOP. DAG size: 583 [2020-10-28 16:32:57,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:32:57,799 INFO L93 Difference]: Finished difference Result 1656 states and 2550 transitions. [2020-10-28 16:32:57,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-28 16:32:57,800 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 160 [2020-10-28 16:32:57,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:32:57,809 INFO L225 Difference]: With dead ends: 1656 [2020-10-28 16:32:57,810 INFO L226 Difference]: Without dead ends: 1222 [2020-10-28 16:32:57,813 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=133, Invalid=247, Unknown=0, NotChecked=0, Total=380 [2020-10-28 16:32:57,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1222 states. [2020-10-28 16:32:58,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1222 to 664. [2020-10-28 16:32:58,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 664 states. [2020-10-28 16:32:58,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 664 states and 939 transitions. [2020-10-28 16:32:58,190 INFO L78 Accepts]: Start accepts. Automaton has 664 states and 939 transitions. Word has length 160 [2020-10-28 16:32:58,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:32:58,191 INFO L481 AbstractCegarLoop]: Abstraction has 664 states and 939 transitions. [2020-10-28 16:32:58,191 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 16:32:58,191 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 939 transitions. [2020-10-28 16:32:58,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-10-28 16:32:58,195 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:32:58,196 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:32:58,196 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 16:32:58,196 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:32:58,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:32:58,197 INFO L82 PathProgramCache]: Analyzing trace with hash -1555392436, now seen corresponding path program 1 times [2020-10-28 16:32:58,197 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:32:58,197 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [469028989] [2020-10-28 16:32:58,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:32:58,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:32:58,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:58,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:58,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:58,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:58,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:58,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:32:59,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:33:00,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:33:00,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:33:00,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:33:00,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:33:00,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:33:00,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:33:03,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:33:03,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 233 [2020-10-28 16:33:03,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-28 16:33:03,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-28 16:33:03,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:33:03,273 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:33:03,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:33:03,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 120 [2020-10-28 16:33:03,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-28 16:33:03,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:33:05,584 WARN L193 SmtUtils]: Spent 2.25 s on a formula simplification that was a NOOP. DAG size: 580 [2020-10-28 16:33:05,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:33:05,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:33:05,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:33:05,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:33:05,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:33:05,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:33:05,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-28 16:33:05,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:33:05,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:33:05,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:33:05,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:33:05,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:33:05,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:33:05,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:33:05,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:33:05,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:33:05,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:33:05,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:33:05,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:33:05,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:33:05,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:33:05,638 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:33:05,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:33:05,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:33:05,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:33:05,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:33:05,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:33:05,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:33:05,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:33:05,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:33:05,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:33:05,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:33:05,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:33:05,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:33:05,642 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:33:05,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:33:05,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:33:05,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:33:05,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:33:05,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:33:05,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:33:05,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:33:05,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:33:05,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:33:05,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:33:05,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:33:05,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:33:05,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:33:05,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:33:05,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:33:05,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:33:05,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:33:05,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:33:05,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:33:05,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:33:05,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:33:05,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:33:05,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:33:06,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:33:09,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:33:09,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-28 16:33:09,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:33:09,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4259 [2020-10-28 16:33:09,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:33:09,944 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:33:09,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:33:09,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:33:09,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:33:09,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:33:09,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:33:09,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:33:09,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:33:09,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:33:09,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:33:09,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:33:09,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:33:09,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:33:09,980 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:33:09,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:33:09,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:33:09,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:33:09,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:33:10,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:33:10,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:33:10,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:33:10,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:33:10,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:33:10,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:33:10,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:33:10,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:33:10,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:33:10,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:33:10,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:33:10,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:33:10,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:33:10,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:33:10,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:33:10,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:33:10,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:33:10,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:33:10,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:33:10,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:33:10,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:33:10,010 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:33:10,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:33:10,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:33:10,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:33:10,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:33:10,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:33:10,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:33:10,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:33:10,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:33:10,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:33:10,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:33:10,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:33:10,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:33:10,036 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:33:10,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:33:10,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:33:10,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:33:10,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:33:10,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-28 16:33:10,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:33:10,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:33:10,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:33:10,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:33:10,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:33:10,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:33:10,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:33:10,045 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:33:10,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:33:10,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:33:10,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:33:10,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:33:10,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:33:10,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:33:10,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:33:10,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:33:10,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:33:10,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:33:10,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:33:10,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:33:10,052 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:33:10,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:33:10,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:33:10,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:33:10,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:33:10,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:33:10,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:33:10,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:33:10,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:33:10,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:33:10,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:33:10,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:33:10,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:33:10,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:33:10,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:33:10,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:33:10,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:33:10,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:33:10,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:33:10,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:33:10,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:33:10,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:33:10,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:33:10,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:33:10,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:33:10,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:33:10,060 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:33:10,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:33:10,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:33:10,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:33:10,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:33:10,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 16:33:10,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:33:10,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:33:10,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:33:10,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-28 16:33:10,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:33:10,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:33:10,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:33:10,068 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:33:10,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:33:10,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:33:10,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:33:10,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:33:10,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:33:10,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:33:10,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:33:10,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:33:10,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 16:33:10,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:33:10,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:33:10,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:33:10,073 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:33:10,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:33:10,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:33:10,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:33:10,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:33:10,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:33:10,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:33:10,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:33:10,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:33:10,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:33:10,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:33:10,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:33:10,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:33:10,078 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:33:10,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:33:10,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:33:10,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:33:10,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:33:10,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 16:33:10,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:33:10,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:33:10,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:33:10,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:33:10,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:33:10,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:33:10,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:33:10,082 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:33:10,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:33:10,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:33:10,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:33:10,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:33:10,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-28 16:33:10,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:33:10,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:33:10,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:33:10,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-28 16:33:10,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:33:10,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:33:10,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:33:10,119 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:33:10,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:33:10,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-28 16:33:10,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:33:10,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:33:10,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:33:10,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:33:10,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:33:10,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:33:10,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:33:10,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:33:10,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:33:10,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:33:10,146 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:33:10,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:33:10,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:33:10,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:33:10,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:33:10,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:33:10,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:33:10,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:33:10,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:33:10,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:33:10,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:33:10,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:33:10,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:33:10,173 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:33:10,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:33:10,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:33:10,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:33:10,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:33:10,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-28 16:33:10,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:33:10,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:33:10,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:33:10,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:33:10,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:33:10,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:33:10,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:33:10,176 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:33:10,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:33:10,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:33:10,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:33:10,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:33:10,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-28 16:33:10,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:33:10,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:33:10,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:33:10,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 16:33:10,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:33:10,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:33:10,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:33:10,180 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:33:10,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:33:10,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 16:33:10,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:33:10,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:33:10,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-28 16:33:10,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:33:10,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:33:10,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:33:10,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:33:10,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:33:10,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:33:10,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:33:10,183 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:33:10,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:33:10,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:33:10,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:33:10,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:33:10,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-28 16:33:10,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:33:10,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:33:10,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:33:10,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:33:10,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:33:10,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:33:10,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:33:10,187 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:33:10,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:33:10,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:33:10,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:33:10,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:33:10,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-28 16:33:10,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:33:10,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:33:10,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:33:10,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:33:10,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:33:10,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:33:10,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:33:10,191 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:33:10,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:33:10,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 16:33:10,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:33:10,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:33:10,278 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-10-28 16:33:10,278 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [469028989] [2020-10-28 16:33:10,278 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:33:10,279 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-28 16:33:10,279 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009978867] [2020-10-28 16:33:10,279 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 16:33:10,279 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:33:10,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 16:33:10,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-28 16:33:10,280 INFO L87 Difference]: Start difference. First operand 664 states and 939 transitions. Second operand 11 states. [2020-10-28 16:33:15,039 WARN L193 SmtUtils]: Spent 2.10 s on a formula simplification that was a NOOP. DAG size: 583 [2020-10-28 16:33:32,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:33:32,040 INFO L93 Difference]: Finished difference Result 2219 states and 3600 transitions. [2020-10-28 16:33:32,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-28 16:33:32,041 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 161 [2020-10-28 16:33:32,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:33:32,056 INFO L225 Difference]: With dead ends: 2219 [2020-10-28 16:33:32,056 INFO L226 Difference]: Without dead ends: 1694 [2020-10-28 16:33:32,060 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=133, Invalid=247, Unknown=0, NotChecked=0, Total=380 [2020-10-28 16:33:32,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1694 states. [2020-10-28 16:33:32,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1694 to 822. [2020-10-28 16:33:32,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 822 states. [2020-10-28 16:33:32,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 822 states to 822 states and 1204 transitions. [2020-10-28 16:33:32,642 INFO L78 Accepts]: Start accepts. Automaton has 822 states and 1204 transitions. Word has length 161 [2020-10-28 16:33:32,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:33:32,642 INFO L481 AbstractCegarLoop]: Abstraction has 822 states and 1204 transitions. [2020-10-28 16:33:32,642 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 16:33:32,643 INFO L276 IsEmpty]: Start isEmpty. Operand 822 states and 1204 transitions. [2020-10-28 16:33:32,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-10-28 16:33:32,647 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:33:32,647 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:33:32,647 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 16:33:32,648 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:33:32,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:33:32,649 INFO L82 PathProgramCache]: Analyzing trace with hash 944846238, now seen corresponding path program 1 times [2020-10-28 16:33:32,649 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:33:32,649 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [553855554] [2020-10-28 16:33:32,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:33:32,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:33:32,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:33:32,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:33:32,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:33:33,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:33:33,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking...