/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=DEEPEST --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_spec4_product19.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 21:33:42,044 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 21:33:42,047 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 21:33:42,085 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 21:33:42,086 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 21:33:42,087 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 21:33:42,089 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 21:33:42,092 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 21:33:42,094 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 21:33:42,095 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 21:33:42,096 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 21:33:42,097 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 21:33:42,098 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 21:33:42,099 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 21:33:42,101 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 21:33:42,102 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 21:33:42,103 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 21:33:42,104 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 21:33:42,106 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 21:33:42,109 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 21:33:42,111 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 21:33:42,113 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 21:33:42,115 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 21:33:42,116 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 21:33:42,119 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 21:33:42,120 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 21:33:42,120 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 21:33:42,121 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 21:33:42,122 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 21:33:42,123 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 21:33:42,124 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 21:33:42,124 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 21:33:42,126 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 21:33:42,126 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 21:33:42,128 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 21:33:42,128 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 21:33:42,129 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 21:33:42,130 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 21:33:42,130 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 21:33:42,131 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 21:33:42,132 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 21:33:42,133 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 [2020-10-27 21:33:42,183 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 21:33:42,184 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 21:33:42,186 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 21:33:42,187 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 21:33:42,187 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 21:33:42,187 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 21:33:42,187 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 21:33:42,188 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 21:33:42,188 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 21:33:42,188 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 21:33:42,189 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 21:33:42,189 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 21:33:42,190 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 21:33:42,190 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 21:33:42,190 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 21:33:42,190 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 21:33:42,190 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 21:33:42,190 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 21:33:42,191 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 21:33:42,191 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 21:33:42,203 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 21:33:42,204 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 21:33:42,204 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 21:33:42,204 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 21:33:42,204 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 21:33:42,205 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 21:33:42,205 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 21:33:42,205 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 21:33:42,205 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 21:33:42,205 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 21:33:42,575 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 21:33:42,614 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 21:33:42,618 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 21:33:42,619 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 21:33:42,621 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 21:33:42,622 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec4_product19.cil.c [2020-10-27 21:33:42,713 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c831b8952/901910bb7c75498d8a73ea1226520853/FLAGee22c6dcd [2020-10-27 21:33:43,563 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 21:33:43,564 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/email_spec4_product19.cil.c [2020-10-27 21:33:43,590 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c831b8952/901910bb7c75498d8a73ea1226520853/FLAGee22c6dcd [2020-10-27 21:33:43,782 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c831b8952/901910bb7c75498d8a73ea1226520853 [2020-10-27 21:33:43,785 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 21:33:43,793 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 21:33:43,798 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 21:33:43,798 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 21:33:43,802 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 21:33:43,803 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 09:33:43" (1/1) ... [2020-10-27 21:33:43,807 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35309076 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:33:43, skipping insertion in model container [2020-10-27 21:33:43,807 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 09:33:43" (1/1) ... [2020-10-27 21:33:43,816 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 21:33:43,905 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 21:33:44,588 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 21:33:44,602 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 21:33:44,722 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 21:33:44,853 INFO L208 MainTranslator]: Completed translation [2020-10-27 21:33:44,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:33:44 WrapperNode [2020-10-27 21:33:44,856 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 21:33:44,857 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 21:33:44,857 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 21:33:44,857 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 21:33:44,874 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:33:44" (1/1) ... [2020-10-27 21:33:44,877 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:33:44" (1/1) ... [2020-10-27 21:33:44,941 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:33:44" (1/1) ... [2020-10-27 21:33:44,942 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:33:44" (1/1) ... [2020-10-27 21:33:44,999 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:33:44" (1/1) ... [2020-10-27 21:33:45,020 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:33:44" (1/1) ... [2020-10-27 21:33:45,033 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:33:44" (1/1) ... [2020-10-27 21:33:45,055 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 21:33:45,056 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 21:33:45,056 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 21:33:45,056 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 21:33:45,057 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:33:44" (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 [2020-10-27 21:33:45,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 21:33:45,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 21:33:45,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 21:33:45,162 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 21:33:45,162 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 21:33:45,163 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignForward_spec__1 [2020-10-27 21:33:45,163 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 21:33:45,163 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 21:33:45,163 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 21:33:45,164 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 21:33:45,164 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 21:33:45,165 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 21:33:45,165 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 21:33:45,165 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 21:33:45,165 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 21:33:45,166 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 21:33:45,166 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2020-10-27 21:33:45,166 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2020-10-27 21:33:45,167 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2020-10-27 21:33:45,167 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2020-10-27 21:33:45,167 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2020-10-27 21:33:45,167 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2020-10-27 21:33:45,167 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2020-10-27 21:33:45,167 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2020-10-27 21:33:45,167 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 21:33:45,168 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 21:33:45,168 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2020-10-27 21:33:45,168 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2020-10-27 21:33:45,168 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2020-10-27 21:33:45,168 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2020-10-27 21:33:45,168 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2020-10-27 21:33:45,168 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2020-10-27 21:33:45,168 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2020-10-27 21:33:45,169 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2020-10-27 21:33:45,169 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2020-10-27 21:33:45,169 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2020-10-27 21:33:45,169 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 21:33:45,169 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2020-10-27 21:33:45,169 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2020-10-27 21:33:45,169 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2020-10-27 21:33:45,170 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2020-10-27 21:33:45,170 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2020-10-27 21:33:45,170 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2020-10-27 21:33:45,170 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2020-10-27 21:33:45,170 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2020-10-27 21:33:45,170 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2020-10-27 21:33:45,170 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2020-10-27 21:33:45,170 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2020-10-27 21:33:45,171 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2020-10-27 21:33:45,171 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2020-10-27 21:33:45,171 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2020-10-27 21:33:45,171 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2020-10-27 21:33:45,171 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2020-10-27 21:33:45,172 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2020-10-27 21:33:45,172 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2020-10-27 21:33:45,172 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2020-10-27 21:33:45,172 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2020-10-27 21:33:45,173 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2020-10-27 21:33:45,173 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2020-10-27 21:33:45,173 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2020-10-27 21:33:45,173 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2020-10-27 21:33:45,173 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2020-10-27 21:33:45,173 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2020-10-27 21:33:45,174 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2020-10-27 21:33:45,174 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2020-10-27 21:33:45,174 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2020-10-27 21:33:45,174 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2020-10-27 21:33:45,174 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2020-10-27 21:33:45,174 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2020-10-27 21:33:45,174 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2020-10-27 21:33:45,175 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2020-10-27 21:33:45,175 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2020-10-27 21:33:45,176 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2020-10-27 21:33:45,177 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2020-10-27 21:33:45,177 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2020-10-27 21:33:45,177 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2020-10-27 21:33:45,177 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2020-10-27 21:33:45,177 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2020-10-27 21:33:45,178 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2020-10-27 21:33:45,178 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2020-10-27 21:33:45,178 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2020-10-27 21:33:45,178 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2020-10-27 21:33:45,178 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2020-10-27 21:33:45,178 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2020-10-27 21:33:45,178 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2020-10-27 21:33:45,178 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2020-10-27 21:33:45,179 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2020-10-27 21:33:45,179 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2020-10-27 21:33:45,180 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2020-10-27 21:33:45,180 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2020-10-27 21:33:45,180 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2020-10-27 21:33:45,180 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2020-10-27 21:33:45,180 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2020-10-27 21:33:45,180 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2020-10-27 21:33:45,180 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2020-10-27 21:33:45,180 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2020-10-27 21:33:45,181 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2020-10-27 21:33:45,181 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2020-10-27 21:33:45,181 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2020-10-27 21:33:45,181 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2020-10-27 21:33:45,181 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2020-10-27 21:33:45,181 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2020-10-27 21:33:45,181 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2020-10-27 21:33:45,181 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2020-10-27 21:33:45,182 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2020-10-27 21:33:45,182 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2020-10-27 21:33:45,182 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2020-10-27 21:33:45,182 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2020-10-27 21:33:45,182 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2020-10-27 21:33:45,183 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2020-10-27 21:33:45,183 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2020-10-27 21:33:45,183 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2020-10-27 21:33:45,183 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 21:33:45,184 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 21:33:45,184 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 21:33:45,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 21:33:45,185 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 21:33:45,186 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 21:33:45,186 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-27 21:33:45,186 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2020-10-27 21:33:45,186 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2020-10-27 21:33:45,186 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignForward_spec__1 [2020-10-27 21:33:45,186 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 21:33:45,187 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 21:33:45,187 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 21:33:45,187 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 21:33:45,187 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 21:33:45,187 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 21:33:45,187 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 21:33:45,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 21:33:45,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 21:33:45,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 21:33:45,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 21:33:45,192 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 21:33:45,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 21:33:45,194 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 21:33:45,194 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 21:33:45,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 21:33:45,196 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 21:33:45,198 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 21:33:45,198 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 21:33:45,198 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 21:33:45,198 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2020-10-27 21:33:45,202 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2020-10-27 21:33:45,203 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2020-10-27 21:33:45,203 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2020-10-27 21:33:45,203 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2020-10-27 21:33:45,203 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2020-10-27 21:33:45,203 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2020-10-27 21:33:45,203 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2020-10-27 21:33:45,203 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2020-10-27 21:33:45,203 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2020-10-27 21:33:45,203 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2020-10-27 21:33:45,204 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2020-10-27 21:33:45,204 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2020-10-27 21:33:45,204 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2020-10-27 21:33:45,204 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2020-10-27 21:33:45,204 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2020-10-27 21:33:45,204 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2020-10-27 21:33:45,204 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2020-10-27 21:33:45,204 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2020-10-27 21:33:45,205 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 21:33:45,205 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 21:33:45,205 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 21:33:45,211 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2020-10-27 21:33:45,211 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2020-10-27 21:33:45,211 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2020-10-27 21:33:45,211 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2020-10-27 21:33:45,212 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2020-10-27 21:33:45,212 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2020-10-27 21:33:45,212 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2020-10-27 21:33:45,212 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2020-10-27 21:33:45,212 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2020-10-27 21:33:45,212 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2020-10-27 21:33:45,212 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2020-10-27 21:33:45,212 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2020-10-27 21:33:45,212 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2020-10-27 21:33:45,212 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2020-10-27 21:33:45,212 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2020-10-27 21:33:45,213 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2020-10-27 21:33:45,213 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2020-10-27 21:33:45,213 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2020-10-27 21:33:45,213 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2020-10-27 21:33:45,214 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2020-10-27 21:33:45,214 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2020-10-27 21:33:45,214 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2020-10-27 21:33:45,214 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2020-10-27 21:33:45,214 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2020-10-27 21:33:45,215 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2020-10-27 21:33:45,215 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2020-10-27 21:33:45,215 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2020-10-27 21:33:45,215 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2020-10-27 21:33:45,215 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2020-10-27 21:33:45,215 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2020-10-27 21:33:45,215 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2020-10-27 21:33:45,215 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2020-10-27 21:33:45,216 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2020-10-27 21:33:45,216 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2020-10-27 21:33:45,216 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2020-10-27 21:33:45,216 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2020-10-27 21:33:45,216 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2020-10-27 21:33:45,216 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2020-10-27 21:33:45,216 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2020-10-27 21:33:45,216 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2020-10-27 21:33:45,216 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2020-10-27 21:33:45,217 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2020-10-27 21:33:45,217 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2020-10-27 21:33:45,217 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2020-10-27 21:33:45,217 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2020-10-27 21:33:45,217 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2020-10-27 21:33:45,217 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2020-10-27 21:33:45,217 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2020-10-27 21:33:45,217 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2020-10-27 21:33:45,217 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2020-10-27 21:33:45,218 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2020-10-27 21:33:45,218 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2020-10-27 21:33:45,218 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2020-10-27 21:33:45,218 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2020-10-27 21:33:45,218 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2020-10-27 21:33:45,218 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2020-10-27 21:33:45,218 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2020-10-27 21:33:45,218 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2020-10-27 21:33:45,219 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2020-10-27 21:33:45,219 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2020-10-27 21:33:45,219 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2020-10-27 21:33:45,220 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2020-10-27 21:33:45,220 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2020-10-27 21:33:45,220 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2020-10-27 21:33:45,221 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2020-10-27 21:33:45,221 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2020-10-27 21:33:45,221 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2020-10-27 21:33:45,221 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2020-10-27 21:33:45,221 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2020-10-27 21:33:45,221 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2020-10-27 21:33:45,221 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2020-10-27 21:33:45,222 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2020-10-27 21:33:45,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 21:33:45,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 21:33:45,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 21:33:47,294 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 21:33:47,295 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-27 21:33:47,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 09:33:47 BoogieIcfgContainer [2020-10-27 21:33:47,299 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 21:33:47,300 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 21:33:47,300 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 21:33:47,304 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 21:33:47,304 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 09:33:43" (1/3) ... [2020-10-27 21:33:47,305 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1595abb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 09:33:47, skipping insertion in model container [2020-10-27 21:33:47,305 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:33:44" (2/3) ... [2020-10-27 21:33:47,306 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1595abb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 09:33:47, skipping insertion in model container [2020-10-27 21:33:47,306 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 09:33:47" (3/3) ... [2020-10-27 21:33:47,307 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec4_product19.cil.c [2020-10-27 21:33:47,319 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 21:33:47,325 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 21:33:47,338 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 21:33:47,368 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 21:33:47,369 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 21:33:47,369 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 21:33:47,369 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 21:33:47,369 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 21:33:47,369 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 21:33:47,369 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 21:33:47,369 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 21:33:47,399 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states. [2020-10-27 21:33:47,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-27 21:33:47,420 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:33:47,421 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 21:33:47,422 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]=== [2020-10-27 21:33:47,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:33:47,430 INFO L82 PathProgramCache]: Analyzing trace with hash 576797734, now seen corresponding path program 1 times [2020-10-27 21:33:47,438 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:33:47,440 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1857976934] [2020-10-27 21:33:47,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:33:47,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:33:48,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:33:48,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:33:48,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:33:48,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:33:52,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:33:52,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:33:52,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 223 [2020-10-27 21:33:52,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 21:33:52,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 21:33:52,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:33:52,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:33:52,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 121 [2020-10-27 21:33:52,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:33:52,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 21:33:55,268 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification that was a NOOP. DAG size: 559 [2020-10-27 21:33:55,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:33:55,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:33:55,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:33:55,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:33:55,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:33:55,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:33:55,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-27 21:33:55,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:33:55,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:33:55,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:33:55,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:33:55,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:33:55,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:33:55,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:33:55,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:33:55,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:33:55,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:33:55,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:33:55,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:33:55,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:33:55,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:33:55,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:33:55,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:33:55,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 21:33:55,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:33:55,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:33:55,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:33:55,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:33:55,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:33:55,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:33:55,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:33:55,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:33:55,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:33:55,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:33:55,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:33:55,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:33:55,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:33:55,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:33:55,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:33:55,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:33:55,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:33:55,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:33:55,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:33:55,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:33:55,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:33:55,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:33:55,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:33:55,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:33:55,596 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-10-27 21:33:55,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:33:55,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:33:55,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:33:55,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:33:55,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:33:55,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:33:57,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:00,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:34:00,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 21:34:00,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 21:34:00,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 21:34:00,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:34:00,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:34:00,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-27 21:34:00,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 21:34:00,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:34:00,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:34:00,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:34:00,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:00,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:34:00,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:34:00,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:34:00,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 21:34:00,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:34:00,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:34:00,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:34:00,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:34:00,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:34:00,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:34:00,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:34:00,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:00,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:34:00,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:34:00,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:34:00,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 21:34:00,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:34:00,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:34:00,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:34:00,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:34:00,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:34:00,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:34:00,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:34:00,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:00,747 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:34:00,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:34:00,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:34:00,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:34:00,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:34:00,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:34:00,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:34:00,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:34:00,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:34:00,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:34:00,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:34:00,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:00,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:34:00,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:34:00,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:34:00,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:34:00,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:34:00,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:34:00,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:34:00,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:34:00,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 21:34:00,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 21:34:00,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:34:00,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:00,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:34:00,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:34:00,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:34:00,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 21:34:00,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:34:00,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:34:00,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:34:00,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:34:00,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:34:00,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:34:00,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:34:00,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:00,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:34:00,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:34:00,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:34:00,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 21:34:00,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:34:00,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:34:00,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:34:00,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:34:00,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:34:00,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:34:00,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:34:00,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:00,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:34:00,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:34:00,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:34:00,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:34:00,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:34:00,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:34:00,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:34:00,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:34:00,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:34:00,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:34:00,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:34:00,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:00,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:34:00,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:34:00,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:34:00,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:34:00,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:34:00,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:34:00,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:34:00,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:34:00,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:34:00,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 21:34:00,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:34:00,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:00,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:00,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:34:00,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:34:00,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:34:00,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 123 [2020-10-27 21:34:00,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:34:00,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:34:00,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:34:00,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 21:34:00,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:34:01,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:34:01,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:34:01,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:01,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:34:01,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:34:01,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:34:01,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-27 21:34:01,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:34:01,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 21:34:01,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:34:01,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 21:34:01,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:34:01,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:34:01,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:34:01,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:01,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:34:01,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:34:01,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:34:01,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 21:34:01,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:34:01,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:34:01,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:34:01,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 21:34:01,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:34:01,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:34:01,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:34:01,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:01,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:34:01,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:34:01,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:34:01,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:34:01,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:34:01,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:34:01,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:34:01,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 21:34:01,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:34:01,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-27 21:34:01,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:34:01,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:01,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:34:01,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 21:34:01,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:34:01,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 21:34:01,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:34:01,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:34:01,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 21:34:01,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:34:01,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:34:01,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:34:01,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:34:01,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:01,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:34:01,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:34:01,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:34:01,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:34:01,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:34:01,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:34:01,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:34:01,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:34:01,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:34:01,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:34:01,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:34:01,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:01,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:34:01,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:34:01,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:34:01,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:34:01,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:34:01,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:34:01,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:34:01,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:34:01,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:34:01,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-27 21:34:01,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:34:01,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:01,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:34:01,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 21:34:01,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:34:01,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:34:01,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:34:01,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:34:01,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 21:34:01,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:34:01,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:34:01,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:34:01,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:34:01,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:01,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:34:01,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:34:01,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:34:01,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:34:01,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:34:01,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:34:01,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:34:01,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:34:01,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:34:01,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-27 21:34:01,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:34:01,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:01,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:34:01,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:34:01,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:34:01,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:34:01,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:34:01,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:34:01,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:34:01,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:34:01,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:34:01,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-27 21:34:01,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:34:01,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:01,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:34:01,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:34:01,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:34:01,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:34:01,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:34:01,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:34:01,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:34:01,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:34:01,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 21:34:01,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-27 21:34:01,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:34:01,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:01,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:34:01,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:34:01,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:34:01,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:34:01,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:34:01,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:34:01,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:34:01,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:34:01,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:34:01,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-27 21:34:01,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:34:01,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:01,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:34:01,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:34:01,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:34:01,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:34:01,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:34:01,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:34:01,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:34:01,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:34:01,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:34:01,583 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-10-27 21:34:01,584 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1857976934] [2020-10-27 21:34:01,586 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:34:01,586 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-10-27 21:34:01,587 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097719598] [2020-10-27 21:34:01,594 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-27 21:34:01,594 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:34:01,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-27 21:34:01,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2020-10-27 21:34:01,617 INFO L87 Difference]: Start difference. First operand 498 states. Second operand 18 states. [2020-10-27 21:34:05,889 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-27 21:34:10,341 WARN L193 SmtUtils]: Spent 2.18 s on a formula simplification that was a NOOP. DAG size: 561 [2020-10-27 21:34:12,458 WARN L193 SmtUtils]: Spent 2.05 s on a formula simplification that was a NOOP. DAG size: 564 [2020-10-27 21:34:14,594 WARN L193 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 564 [2020-10-27 21:34:16,723 WARN L193 SmtUtils]: Spent 2.05 s on a formula simplification that was a NOOP. DAG size: 564 [2020-10-27 21:34:44,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:34:44,248 INFO L93 Difference]: Finished difference Result 1422 states and 2138 transitions. [2020-10-27 21:34:44,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2020-10-27 21:34:44,251 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 149 [2020-10-27 21:34:44,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:34:44,284 INFO L225 Difference]: With dead ends: 1422 [2020-10-27 21:34:44,284 INFO L226 Difference]: Without dead ends: 830 [2020-10-27 21:34:44,298 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1882 ImplicationChecksByTransitivity, 16.1s TimeCoverageRelationStatistics Valid=1158, Invalid=4694, Unknown=0, NotChecked=0, Total=5852 [2020-10-27 21:34:44,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 830 states. [2020-10-27 21:34:44,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 830 to 484. [2020-10-27 21:34:44,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 484 states. [2020-10-27 21:34:44,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 637 transitions. [2020-10-27 21:34:44,694 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 637 transitions. Word has length 149 [2020-10-27 21:34:44,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:34:44,695 INFO L481 AbstractCegarLoop]: Abstraction has 484 states and 637 transitions. [2020-10-27 21:34:44,695 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-27 21:34:44,695 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 637 transitions. [2020-10-27 21:34:44,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-10-27 21:34:44,713 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:34:44,714 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 21:34:44,715 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 21:34:44,715 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]=== [2020-10-27 21:34:44,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:34:44,716 INFO L82 PathProgramCache]: Analyzing trace with hash -1475501833, now seen corresponding path program 1 times [2020-10-27 21:34:44,716 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:34:44,717 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [890383721] [2020-10-27 21:34:44,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:34:44,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:34:44,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:44,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:45,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:45,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:45,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:45,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:48,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:49,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:34:49,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 225 [2020-10-27 21:34:49,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 21:34:49,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-27 21:34:49,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:34:49,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:34:49,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 121 [2020-10-27 21:34:49,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 21:34:49,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:34:51,930 WARN L193 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 559 [2020-10-27 21:34:51,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:34:51,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:34:51,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:52,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:34:52,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:34:52,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:34:52,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-27 21:34:52,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:34:52,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:34:52,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:34:52,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:34:52,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:34:52,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:34:52,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:34:52,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:52,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:34:52,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:34:52,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:34:52,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:34:52,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:34:52,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:34:52,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:34:52,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:34:52,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 21:34:52,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:34:52,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:34:52,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:52,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:34:52,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:34:52,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:34:52,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:34:52,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:34:52,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:34:52,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:34:52,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:34:52,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:34:52,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:34:52,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:34:52,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:52,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:34:52,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:34:52,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:34:52,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:34:52,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:34:52,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:34:52,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:34:52,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:34:52,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:34:52,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:34:52,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:34:52,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:52,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:52,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:52,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:53,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:53,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:53,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:57,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:34:57,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-27 21:34:57,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 21:34:57,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 21:34:57,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:34:57,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:34:57,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-27 21:34:57,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 21:34:57,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:34:57,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:34:57,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:34:57,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:57,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:34:57,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:34:57,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:34:57,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:34:57,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:34:57,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:34:57,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:34:57,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:34:57,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:34:57,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:34:57,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:34:57,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:57,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:34:57,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:34:57,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:34:57,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:34:57,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:34:57,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:34:57,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:34:57,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:34:57,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:34:57,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:34:57,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:34:57,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:57,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:34:57,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:34:57,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:34:57,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:34:57,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:34:57,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:34:57,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:34:57,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:34:57,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:34:57,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:34:57,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:34:57,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:57,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:34:57,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:34:57,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:34:57,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:34:57,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:34:57,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:34:57,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:34:57,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:34:57,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:34:57,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 21:34:57,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:34:57,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:57,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:34:57,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:34:57,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:34:57,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 21:34:57,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:34:57,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:34:57,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:34:57,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:34:57,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:34:57,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:34:57,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:34:57,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:57,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:34:57,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:34:57,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:34:57,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:34:57,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:34:57,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:34:57,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:34:57,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:34:57,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:34:57,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:34:57,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:34:57,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:57,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:34:57,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:34:57,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:34:57,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:34:57,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:34:57,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:34:57,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:34:57,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:34:57,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:34:57,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:34:57,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:34:57,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:57,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:34:57,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:34:57,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:34:57,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:34:57,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:34:57,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:34:57,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:34:57,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:34:57,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:34:57,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 21:34:57,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:34:57,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:57,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:57,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:34:57,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 21:34:57,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:34:57,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-27 21:34:57,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:34:57,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:34:57,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 21:34:57,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 21:34:57,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 21:34:57,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:34:57,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:34:57,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:57,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:57,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:34:57,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 21:34:57,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:34:57,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-27 21:34:57,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:34:57,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:34:57,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:34:57,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 21:34:57,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:34:57,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:34:57,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:34:57,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:57,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:57,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:34:57,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:34:57,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:34:57,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-27 21:34:57,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:34:57,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:34:57,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:34:57,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 21:34:57,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:34:57,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 21:34:57,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:34:57,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:57,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:34:57,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:34:57,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:34:57,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 21:34:57,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:34:57,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 21:34:57,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:34:57,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 21:34:57,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:34:57,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-27 21:34:57,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:34:57,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:57,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:34:57,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 21:34:57,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:34:57,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 21:34:57,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:34:57,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:34:57,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 21:34:57,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:34:57,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:34:57,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:34:57,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:34:57,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:57,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:34:57,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:34:57,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:34:57,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:34:57,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:34:57,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:34:57,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:34:57,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:34:57,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:34:57,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:34:57,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:34:57,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:57,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:34:57,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:34:57,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:34:57,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:34:57,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:34:57,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:34:57,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:34:57,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:34:57,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:34:57,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-27 21:34:57,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:34:57,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:57,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:34:57,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 21:34:57,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:34:57,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 21:34:57,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:34:57,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:34:57,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 21:34:57,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:34:57,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:34:57,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:34:57,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:34:57,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:57,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:34:57,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:34:57,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:34:57,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:34:57,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:34:57,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:34:57,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:34:57,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:34:57,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:34:57,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-27 21:34:57,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:34:57,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:57,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:34:57,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:34:57,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:34:57,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:34:57,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:34:57,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:34:57,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:34:57,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:34:57,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:34:57,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-27 21:34:57,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:34:57,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:57,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:34:57,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:34:57,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:34:57,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:34:57,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:34:57,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:34:57,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:34:57,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:34:57,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:34:57,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-27 21:34:57,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:34:57,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:57,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:34:57,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:34:57,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:34:57,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:34:57,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:34:57,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:34:57,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:34:57,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:34:57,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:34:57,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-27 21:34:57,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:34:57,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:34:57,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:34:57,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:34:57,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:34:57,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:34:57,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:34:57,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:34:57,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:34:57,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:34:57,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:34:58,040 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-10-27 21:34:58,040 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [890383721] [2020-10-27 21:34:58,040 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:34:58,041 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-10-27 21:34:58,041 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242467840] [2020-10-27 21:34:58,044 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-27 21:34:58,044 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:34:58,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-27 21:34:58,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2020-10-27 21:34:58,046 INFO L87 Difference]: Start difference. First operand 484 states and 637 transitions. Second operand 19 states. [2020-10-27 21:35:02,219 WARN L193 SmtUtils]: Spent 2.15 s on a formula simplification that was a NOOP. DAG size: 569 [2020-10-27 21:35:04,679 WARN L193 SmtUtils]: Spent 2.31 s on a formula simplification that was a NOOP. DAG size: 573 [2020-10-27 21:35:07,439 WARN L193 SmtUtils]: Spent 2.22 s on a formula simplification that was a NOOP. DAG size: 563 [2020-10-27 21:35:11,488 WARN L193 SmtUtils]: Spent 2.20 s on a formula simplification that was a NOOP. DAG size: 566 [2020-10-27 21:35:13,747 WARN L193 SmtUtils]: Spent 2.05 s on a formula simplification that was a NOOP. DAG size: 563 [2020-10-27 21:35:16,012 WARN L193 SmtUtils]: Spent 2.05 s on a formula simplification that was a NOOP. DAG size: 563 [2020-10-27 21:35:18,676 WARN L193 SmtUtils]: Spent 2.07 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-27 21:35:39,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:35:39,286 INFO L93 Difference]: Finished difference Result 1253 states and 1773 transitions. [2020-10-27 21:35:39,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-10-27 21:35:39,287 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 151 [2020-10-27 21:35:39,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:35:39,296 INFO L225 Difference]: With dead ends: 1253 [2020-10-27 21:35:39,296 INFO L226 Difference]: Without dead ends: 837 [2020-10-27 21:35:39,299 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 426 ImplicationChecksByTransitivity, 19.0s TimeCoverageRelationStatistics Valid=426, Invalid=1554, Unknown=0, NotChecked=0, Total=1980 [2020-10-27 21:35:39,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 837 states. [2020-10-27 21:35:39,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 837 to 488. [2020-10-27 21:35:39,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 488 states. [2020-10-27 21:35:39,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 642 transitions. [2020-10-27 21:35:39,551 INFO L78 Accepts]: Start accepts. Automaton has 488 states and 642 transitions. Word has length 151 [2020-10-27 21:35:39,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:35:39,552 INFO L481 AbstractCegarLoop]: Abstraction has 488 states and 642 transitions. [2020-10-27 21:35:39,552 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-27 21:35:39,552 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 642 transitions. [2020-10-27 21:35:39,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-10-27 21:35:39,555 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:35:39,556 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 21:35:39,556 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 21:35:39,556 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]=== [2020-10-27 21:35:39,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:35:39,557 INFO L82 PathProgramCache]: Analyzing trace with hash 774154772, now seen corresponding path program 1 times [2020-10-27 21:35:39,557 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:35:39,558 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1453490306] [2020-10-27 21:35:39,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:35:39,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:39,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:39,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:39,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:39,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:40,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:41,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:44,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:44,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 232 [2020-10-27 21:35:44,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 21:35:44,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5049 [2020-10-27 21:35:44,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:44,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 21:35:44,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 122 [2020-10-27 21:35:44,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 21:35:44,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:46,809 WARN L193 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 559 [2020-10-27 21:35:46,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:35:46,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:46,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:46,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:46,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:35:46,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:46,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-27 21:35:46,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:46,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:46,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:35:46,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:46,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:46,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:35:46,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:46,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:46,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:46,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:35:46,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:46,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:35:46,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:46,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:46,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:35:46,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:46,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:46,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:35:46,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:46,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:46,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:46,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:35:46,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:46,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:35:46,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:46,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:46,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:35:46,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:46,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:46,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:35:46,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:46,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:46,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:46,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:35:46,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:46,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:35:46,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:46,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:46,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:35:46,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:46,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:46,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:35:46,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:46,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:46,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:46,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:47,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:48,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:51,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:51,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-27 21:35:51,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 21:35:51,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 21:35:51,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:51,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:35:51,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-27 21:35:51,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 21:35:51,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:51,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:35:51,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:51,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:52,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:52,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:35:52,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:52,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:35:52,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:52,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:52,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:35:52,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:52,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:52,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:35:52,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:52,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:52,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:52,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:35:52,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:52,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:35:52,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:52,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:52,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:35:52,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:52,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:52,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:35:52,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:52,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:52,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:52,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:35:52,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:52,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:35:52,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:52,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:52,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:35:52,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:52,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:52,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:35:52,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:52,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:52,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:52,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:35:52,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:52,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:35:52,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:52,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:52,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:35:52,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:52,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:52,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 21:35:52,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:52,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:52,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:52,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:35:52,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:52,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:35:52,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:52,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:52,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:35:52,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:52,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:52,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:35:52,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:52,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:52,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:52,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:35:52,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:52,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:35:52,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:52,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:52,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:35:52,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:52,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:52,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:35:52,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:52,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:52,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:52,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:35:52,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:52,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:35:52,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:52,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:52,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:35:52,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:52,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:52,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:35:52,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:52,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:52,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:52,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:35:52,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:52,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:35:52,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:52,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:52,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:35:52,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:52,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:52,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 21:35:52,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:52,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:52,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:52,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:52,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 21:35:52,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:35:52,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 81 [2020-10-27 21:35:52,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:52,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:35:52,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:35:52,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-27 21:35:52,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:52,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:35:52,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:52,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:52,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:52,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 21:35:52,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:52,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 21:35:52,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:52,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 21:35:52,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:35:52,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 21:35:52,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:52,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:35:52,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:52,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:52,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:52,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:35:52,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:52,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 21:35:52,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:52,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:35:52,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:35:52,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 21:35:52,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:52,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 21:35:52,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:52,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:52,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:52,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:35:52,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:52,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:35:52,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:52,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:35:52,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:35:52,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 21:35:52,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:52,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-27 21:35:52,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:52,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:52,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:52,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 21:35:52,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:52,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:35:52,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:52,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:52,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 21:35:52,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:52,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:52,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:35:52,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:52,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:52,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:52,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:35:52,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:52,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:35:52,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:52,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:52,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:35:52,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:52,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:52,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:35:52,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:52,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:52,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:52,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:35:52,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:52,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:35:52,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:52,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:52,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:35:52,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:52,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:52,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-27 21:35:52,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:52,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:52,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:52,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 21:35:52,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:52,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:35:52,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:52,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:52,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 21:35:52,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:52,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:52,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:35:52,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:52,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:52,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:52,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:35:52,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:52,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:35:52,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:52,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:52,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:35:52,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:52,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:52,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-27 21:35:52,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:52,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:52,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:52,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:35:52,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:52,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:35:52,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:52,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:52,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:35:52,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:52,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:52,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-27 21:35:52,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:52,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:52,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:52,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:35:52,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:52,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:35:52,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:52,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:52,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:35:52,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:52,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:52,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-27 21:35:52,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:52,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:52,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:52,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:35:52,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:52,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:35:52,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:52,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:52,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:35:52,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:52,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:52,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-27 21:35:52,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:35:52,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:35:52,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:35:52,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:35:52,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:35:52,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:35:52,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:35:52,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:35:52,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:35:52,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:35:52,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:35:52,690 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-10-27 21:35:52,691 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1453490306] [2020-10-27 21:35:52,691 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 21:35:52,691 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-27 21:35:52,691 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838103710] [2020-10-27 21:35:52,692 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-27 21:35:52,692 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:35:52,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-27 21:35:52,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2020-10-27 21:35:52,693 INFO L87 Difference]: Start difference. First operand 488 states and 642 transitions. Second operand 20 states. [2020-10-27 21:35:56,982 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification that was a NOOP. DAG size: 563 [2020-10-27 21:36:00,839 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification that was a NOOP. DAG size: 561 [2020-10-27 21:36:03,145 WARN L193 SmtUtils]: Spent 2.24 s on a formula simplification that was a NOOP. DAG size: 564 [2020-10-27 21:36:05,455 WARN L193 SmtUtils]: Spent 2.23 s on a formula simplification that was a NOOP. DAG size: 564 [2020-10-27 21:36:07,660 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification that was a NOOP. DAG size: 565 [2020-10-27 21:36:11,527 WARN L193 SmtUtils]: Spent 2.24 s on a formula simplification that was a NOOP. DAG size: 564 [2020-10-27 21:36:13,824 WARN L193 SmtUtils]: Spent 2.20 s on a formula simplification that was a NOOP. DAG size: 564 [2020-10-27 21:36:34,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:36:34,689 INFO L93 Difference]: Finished difference Result 1321 states and 1884 transitions. [2020-10-27 21:36:34,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-10-27 21:36:34,690 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 158 [2020-10-27 21:36:34,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:36:34,699 INFO L225 Difference]: With dead ends: 1321 [2020-10-27 21:36:34,699 INFO L226 Difference]: Without dead ends: 894 [2020-10-27 21:36:34,703 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 672 ImplicationChecksByTransitivity, 20.0s TimeCoverageRelationStatistics Valid=633, Invalid=2447, Unknown=0, NotChecked=0, Total=3080 [2020-10-27 21:36:34,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 894 states. [2020-10-27 21:36:35,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 894 to 531. [2020-10-27 21:36:35,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 531 states. [2020-10-27 21:36:35,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 531 states and 715 transitions. [2020-10-27 21:36:35,051 INFO L78 Accepts]: Start accepts. Automaton has 531 states and 715 transitions. Word has length 158 [2020-10-27 21:36:35,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:36:35,051 INFO L481 AbstractCegarLoop]: Abstraction has 531 states and 715 transitions. [2020-10-27 21:36:35,051 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-27 21:36:35,051 INFO L276 IsEmpty]: Start isEmpty. Operand 531 states and 715 transitions. [2020-10-27 21:36:35,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-10-27 21:36:35,055 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:36:35,056 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 21:36:35,056 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 21:36:35,056 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]=== [2020-10-27 21:36:35,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:36:35,057 INFO L82 PathProgramCache]: Analyzing trace with hash 2098904840, now seen corresponding path program 1 times [2020-10-27 21:36:35,057 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:36:35,057 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [956096781] [2020-10-27 21:36:35,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:36:35,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:36:35,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:35,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:35,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:35,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:35,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:35,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:36,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:37,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:37,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:37,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:37,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:37,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:37,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:37,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:37,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:37,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:40,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:36:40,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 239 [2020-10-27 21:36:40,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-27 21:36:40,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-27 21:36:40,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:36:40,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:36:40,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 123 [2020-10-27 21:36:40,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 21:36:40,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:36:42,539 WARN L193 SmtUtils]: Spent 2.33 s on a formula simplification that was a NOOP. DAG size: 559 [2020-10-27 21:36:42,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:36:42,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:36:42,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:42,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:36:42,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:36:42,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:36:42,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-27 21:36:42,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:36:42,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:36:42,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:36:42,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:36:42,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:36:42,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:36:42,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:36:42,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:42,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:36:42,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:36:42,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:36:42,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:36:42,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:36:42,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:36:42,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:36:42,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:36:42,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:36:42,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:36:42,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:36:42,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:42,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:36:42,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:36:42,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:36:42,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:36:42,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:36:42,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:36:42,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:36:42,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:36:42,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:36:42,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:36:42,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:36:42,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:42,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:36:42,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:36:42,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:36:42,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:36:42,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:36:42,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:36:42,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:36:42,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:36:42,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:36:42,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:36:42,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:36:42,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:42,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:42,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:42,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:42,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:42,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:47,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:36:47,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-27 21:36:47,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 21:36:47,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 21:36:47,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:36:47,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:36:47,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-27 21:36:47,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-27 21:36:47,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:36:47,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:36:47,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:36:47,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:47,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:36:47,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:36:47,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:36:47,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:36:47,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:36:47,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:36:47,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:36:47,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:36:47,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:36:47,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:36:47,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:36:47,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:47,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:36:47,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:36:47,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:36:47,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:36:47,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:36:47,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:36:47,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:36:47,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:36:47,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:36:47,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:36:47,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:36:47,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:47,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:36:47,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:36:47,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:36:47,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:36:47,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:36:47,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:36:47,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:36:47,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:36:47,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:36:47,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:36:47,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:36:47,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:47,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:36:47,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:36:47,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:36:47,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:36:47,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:36:47,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:36:47,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:36:47,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:36:47,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 21:36:47,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 21:36:47,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:36:47,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:47,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:36:47,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:36:47,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:36:47,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:36:47,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:36:47,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:36:47,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:36:47,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:36:47,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:36:47,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:36:47,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:36:47,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:47,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:36:47,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:36:47,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:36:47,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:36:47,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:36:47,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:36:47,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:36:47,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:36:47,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:36:47,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:36:47,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:36:47,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:47,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:36:47,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:36:47,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:36:47,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:36:47,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:36:47,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:36:47,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:36:47,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:36:47,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:36:47,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:36:47,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:36:47,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:47,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:36:47,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:36:47,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:36:47,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:36:47,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:36:47,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:36:47,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:36:47,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:36:47,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:36:47,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 21:36:47,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:36:47,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:47,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:47,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:36:47,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 21:36:47,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:36:47,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-27 21:36:47,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:36:47,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:36:47,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 21:36:47,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-27 21:36:47,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:36:47,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:36:47,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:36:47,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:47,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:36:47,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 21:36:47,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:36:47,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 21:36:47,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:36:47,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:36:47,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:36:47,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 21:36:47,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:36:47,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:36:47,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:36:47,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:47,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:36:47,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 21:36:47,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:36:47,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 21:36:47,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:36:47,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:36:47,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:36:47,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 21:36:47,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:36:48,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:36:48,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:36:48,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:48,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:36:48,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:36:48,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:36:48,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 21:36:48,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:36:48,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 21:36:48,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:36:48,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 21:36:48,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:36:48,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-27 21:36:48,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:36:48,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:48,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:36:48,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 21:36:48,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:36:48,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 21:36:48,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:36:48,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:36:48,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 21:36:48,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:36:48,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:36:48,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:36:48,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:36:48,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:48,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:36:48,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:36:48,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:36:48,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:36:48,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:36:48,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:36:48,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:36:48,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:36:48,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:36:48,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:36:48,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:36:48,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:48,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:36:48,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:36:48,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:36:48,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:36:48,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:36:48,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:36:48,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:36:48,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:36:48,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:36:48,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-27 21:36:48,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:36:48,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:48,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:36:48,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 21:36:48,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:36:48,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:36:48,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:36:48,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:36:48,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 21:36:48,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:36:48,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:36:48,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:36:48,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:36:48,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:48,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:36:48,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:36:48,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:36:48,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:36:48,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:36:48,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:36:48,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:36:48,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:36:48,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:36:48,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-27 21:36:48,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:36:48,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:48,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:36:48,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:36:48,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:36:48,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:36:48,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:36:48,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:36:48,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:36:48,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:36:48,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:36:48,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-27 21:36:48,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:36:48,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:48,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:36:48,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:36:48,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:36:48,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:36:48,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:36:48,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:36:48,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:36:48,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:36:48,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:36:48,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-27 21:36:48,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:36:48,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:48,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:36:48,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:36:48,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:36:48,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:36:48,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:36:48,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:36:48,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:36:48,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:36:48,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:36:48,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-27 21:36:48,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:36:48,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:36:48,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:36:48,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:36:48,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:36:48,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:36:48,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:36:48,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:36:48,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:36:48,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:36:48,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:36:48,375 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-10-27 21:36:48,376 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [956096781] [2020-10-27 21:36:48,376 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:36:48,376 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-10-27 21:36:48,376 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784905220] [2020-10-27 21:36:48,377 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-27 21:36:48,377 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:36:48,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-27 21:36:48,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2020-10-27 21:36:48,378 INFO L87 Difference]: Start difference. First operand 531 states and 715 transitions. Second operand 19 states. [2020-10-27 21:36:52,350 WARN L193 SmtUtils]: Spent 2.26 s on a formula simplification that was a NOOP. DAG size: 566 [2020-10-27 21:36:55,181 WARN L193 SmtUtils]: Spent 2.23 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-27 21:36:58,744 WARN L193 SmtUtils]: Spent 2.21 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-27 21:37:01,624 WARN L193 SmtUtils]: Spent 2.12 s on a formula simplification that was a NOOP. DAG size: 562 [2020-10-27 21:37:22,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:37:22,756 INFO L93 Difference]: Finished difference Result 1484 states and 2189 transitions. [2020-10-27 21:37:22,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-27 21:37:22,767 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 165 [2020-10-27 21:37:22,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:37:22,775 INFO L225 Difference]: With dead ends: 1484 [2020-10-27 21:37:22,775 INFO L226 Difference]: Without dead ends: 1021 [2020-10-27 21:37:22,779 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 365 ImplicationChecksByTransitivity, 12.9s TimeCoverageRelationStatistics Valid=371, Invalid=1435, Unknown=0, NotChecked=0, Total=1806 [2020-10-27 21:37:22,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1021 states. [2020-10-27 21:37:23,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1021 to 580. [2020-10-27 21:37:23,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 580 states. [2020-10-27 21:37:23,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 795 transitions. [2020-10-27 21:37:23,115 INFO L78 Accepts]: Start accepts. Automaton has 580 states and 795 transitions. Word has length 165 [2020-10-27 21:37:23,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:37:23,115 INFO L481 AbstractCegarLoop]: Abstraction has 580 states and 795 transitions. [2020-10-27 21:37:23,115 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-27 21:37:23,115 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 795 transitions. [2020-10-27 21:37:23,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-10-27 21:37:23,119 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:37:23,120 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 21:37:23,120 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 21:37:23,120 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]=== [2020-10-27 21:37:23,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:37:23,121 INFO L82 PathProgramCache]: Analyzing trace with hash 277439859, now seen corresponding path program 1 times [2020-10-27 21:37:23,121 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:37:23,121 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [498004778] [2020-10-27 21:37:23,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:37:23,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:37:23,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:23,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:23,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:23,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:23,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:23,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:37:23,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking...