/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_spec1_product30.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 21:21:59,959 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 21:21:59,963 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 21:22:00,022 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 21:22:00,023 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 21:22:00,029 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 21:22:00,032 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 21:22:00,037 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 21:22:00,040 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 21:22:00,047 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 21:22:00,049 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 21:22:00,050 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 21:22:00,051 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 21:22:00,054 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 21:22:00,056 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 21:22:00,057 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 21:22:00,059 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 21:22:00,062 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 21:22:00,092 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 21:22:00,100 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 21:22:00,102 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 21:22:00,104 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 21:22:00,105 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 21:22:00,108 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 21:22:00,117 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 21:22:00,118 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 21:22:00,118 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 21:22:00,120 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 21:22:00,121 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 21:22:00,122 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 21:22:00,122 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 21:22:00,123 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 21:22:00,125 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 21:22:00,126 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 21:22:00,127 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 21:22:00,128 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 21:22:00,128 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 21:22:00,129 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 21:22:00,129 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 21:22:00,130 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 21:22:00,131 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 21:22:00,139 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 21:22:00,182 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 21:22:00,182 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 21:22:00,184 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 21:22:00,184 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 21:22:00,184 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 21:22:00,185 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 21:22:00,185 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 21:22:00,185 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 21:22:00,185 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 21:22:00,185 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 21:22:00,186 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 21:22:00,186 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 21:22:00,186 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 21:22:00,186 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 21:22:00,187 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 21:22:00,187 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 21:22:00,187 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 21:22:00,187 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 21:22:00,187 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 21:22:00,188 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 21:22:00,188 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 21:22:00,188 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 21:22:00,188 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 21:22:00,188 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 21:22:00,189 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 21:22:00,189 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 21:22:00,189 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 21:22:00,189 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 21:22:00,189 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 21:22:00,190 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 21:22:00,586 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 21:22:00,627 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 21:22:00,630 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 21:22:00,632 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 21:22:00,633 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 21:22:00,634 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec1_product30.cil.c [2020-10-27 21:22:00,719 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6edbe2b81/281b72faa1034ecea6057d562e50d8b6/FLAGad14474d4 [2020-10-27 21:22:01,581 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 21:22:01,581 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/email_spec1_product30.cil.c [2020-10-27 21:22:01,607 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6edbe2b81/281b72faa1034ecea6057d562e50d8b6/FLAGad14474d4 [2020-10-27 21:22:01,713 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6edbe2b81/281b72faa1034ecea6057d562e50d8b6 [2020-10-27 21:22:01,716 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 21:22:01,725 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 21:22:01,729 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 21:22:01,730 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 21:22:01,734 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 21:22:01,735 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 09:22:01" (1/1) ... [2020-10-27 21:22:01,742 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46a75de3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:22:01, skipping insertion in model container [2020-10-27 21:22:01,743 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 09:22:01" (1/1) ... [2020-10-27 21:22:01,751 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 21:22:01,846 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 21:22:02,552 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 21:22:02,565 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 21:22:02,726 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 21:22:02,872 INFO L208 MainTranslator]: Completed translation [2020-10-27 21:22:02,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:22:02 WrapperNode [2020-10-27 21:22:02,874 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 21:22:02,876 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 21:22:02,876 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 21:22:02,876 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 21:22:02,891 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:22:02" (1/1) ... [2020-10-27 21:22:02,893 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:22:02" (1/1) ... [2020-10-27 21:22:02,961 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:22:02" (1/1) ... [2020-10-27 21:22:02,962 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:22:02" (1/1) ... [2020-10-27 21:22:03,038 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:22:02" (1/1) ... [2020-10-27 21:22:03,059 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:22:02" (1/1) ... [2020-10-27 21:22:03,074 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:22:02" (1/1) ... [2020-10-27 21:22:03,091 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 21:22:03,092 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 21:22:03,093 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 21:22:03,093 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 21:22:03,094 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:22:02" (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 21:22:03,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 21:22:03,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 21:22:03,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 21:22:03,176 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 21:22:03,176 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2020-10-27 21:22:03,176 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AutoResponder [2020-10-27 21:22:03,176 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2020-10-27 21:22:03,176 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2020-10-27 21:22:03,177 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2020-10-27 21:22:03,177 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2020-10-27 21:22:03,177 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2020-10-27 21:22:03,177 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2020-10-27 21:22:03,177 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__AddressBookEncrypt_spec__1 [2020-10-27 21:22:03,178 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2020-10-27 21:22:03,178 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2020-10-27 21:22:03,178 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2020-10-27 21:22:03,178 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2020-10-27 21:22:03,178 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2020-10-27 21:22:03,179 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2020-10-27 21:22:03,179 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2020-10-27 21:22:03,179 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2020-10-27 21:22:03,179 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 21:22:03,179 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 21:22:03,179 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2020-10-27 21:22:03,180 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2020-10-27 21:22:03,180 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2020-10-27 21:22:03,180 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2020-10-27 21:22:03,180 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2020-10-27 21:22:03,180 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2020-10-27 21:22:03,181 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2020-10-27 21:22:03,181 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2020-10-27 21:22:03,181 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2020-10-27 21:22:03,181 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2020-10-27 21:22:03,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 21:22:03,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 21:22:03,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 21:22:03,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 21:22:03,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 21:22:03,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 21:22:03,182 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2020-10-27 21:22:03,182 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2020-10-27 21:22:03,183 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2020-10-27 21:22:03,183 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2020-10-27 21:22:03,183 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2020-10-27 21:22:03,183 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2020-10-27 21:22:03,183 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2020-10-27 21:22:03,184 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2020-10-27 21:22:03,184 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2020-10-27 21:22:03,184 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2020-10-27 21:22:03,184 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2020-10-27 21:22:03,184 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2020-10-27 21:22:03,184 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2020-10-27 21:22:03,185 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2020-10-27 21:22:03,185 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2020-10-27 21:22:03,185 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2020-10-27 21:22:03,185 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2020-10-27 21:22:03,185 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2020-10-27 21:22:03,186 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2020-10-27 21:22:03,186 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2020-10-27 21:22:03,186 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2020-10-27 21:22:03,186 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2020-10-27 21:22:03,186 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2020-10-27 21:22:03,187 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2020-10-27 21:22:03,187 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2020-10-27 21:22:03,187 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2020-10-27 21:22:03,187 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2020-10-27 21:22:03,187 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2020-10-27 21:22:03,187 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2020-10-27 21:22:03,188 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2020-10-27 21:22:03,188 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2020-10-27 21:22:03,188 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2020-10-27 21:22:03,188 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2020-10-27 21:22:03,188 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2020-10-27 21:22:03,189 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2020-10-27 21:22:03,189 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2020-10-27 21:22:03,189 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2020-10-27 21:22:03,189 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2020-10-27 21:22:03,189 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2020-10-27 21:22:03,190 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2020-10-27 21:22:03,190 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2020-10-27 21:22:03,190 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2020-10-27 21:22:03,190 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2020-10-27 21:22:03,190 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2020-10-27 21:22:03,190 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2020-10-27 21:22:03,191 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2020-10-27 21:22:03,191 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2020-10-27 21:22:03,191 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2020-10-27 21:22:03,191 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2020-10-27 21:22:03,191 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2020-10-27 21:22:03,191 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2020-10-27 21:22:03,192 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2020-10-27 21:22:03,192 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2020-10-27 21:22:03,192 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2020-10-27 21:22:03,192 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2020-10-27 21:22:03,192 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2020-10-27 21:22:03,192 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2020-10-27 21:22:03,193 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2020-10-27 21:22:03,193 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2020-10-27 21:22:03,193 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2020-10-27 21:22:03,193 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2020-10-27 21:22:03,193 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2020-10-27 21:22:03,193 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2020-10-27 21:22:03,193 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2020-10-27 21:22:03,194 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2020-10-27 21:22:03,194 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2020-10-27 21:22:03,194 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2020-10-27 21:22:03,194 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2020-10-27 21:22:03,194 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2020-10-27 21:22:03,194 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2020-10-27 21:22:03,195 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 21:22:03,195 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 21:22:03,195 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 21:22:03,195 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 21:22:03,195 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 21:22:03,195 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 21:22:03,195 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2020-10-27 21:22:03,196 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 21:22:03,196 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 21:22:03,196 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 21:22:03,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 21:22:03,196 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 21:22:03,196 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 21:22:03,197 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2020-10-27 21:22:03,197 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2020-10-27 21:22:03,197 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2020-10-27 21:22:03,197 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2020-10-27 21:22:03,197 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2020-10-27 21:22:03,197 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2020-10-27 21:22:03,198 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2020-10-27 21:22:03,198 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2020-10-27 21:22:03,198 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2020-10-27 21:22:03,198 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2020-10-27 21:22:03,198 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2020-10-27 21:22:03,198 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2020-10-27 21:22:03,199 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2020-10-27 21:22:03,199 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2020-10-27 21:22:03,199 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2020-10-27 21:22:03,199 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AutoResponder [2020-10-27 21:22:03,199 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2020-10-27 21:22:03,199 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2020-10-27 21:22:03,200 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 21:22:03,200 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-27 21:22:03,200 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__AddressBookEncrypt_spec__1 [2020-10-27 21:22:03,200 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2020-10-27 21:22:03,200 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2020-10-27 21:22:03,200 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2020-10-27 21:22:03,201 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2020-10-27 21:22:03,201 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2020-10-27 21:22:03,201 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2020-10-27 21:22:03,201 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2020-10-27 21:22:03,201 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2020-10-27 21:22:03,201 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 21:22:03,202 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 21:22:03,202 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 21:22:03,202 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2020-10-27 21:22:03,202 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2020-10-27 21:22:03,202 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2020-10-27 21:22:03,202 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2020-10-27 21:22:03,202 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2020-10-27 21:22:03,203 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2020-10-27 21:22:03,203 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2020-10-27 21:22:03,203 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2020-10-27 21:22:03,203 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2020-10-27 21:22:03,203 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2020-10-27 21:22:03,203 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2020-10-27 21:22:03,203 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 21:22:03,204 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 21:22:03,204 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 21:22:03,204 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2020-10-27 21:22:03,204 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2020-10-27 21:22:03,204 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2020-10-27 21:22:03,204 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2020-10-27 21:22:03,204 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2020-10-27 21:22:03,205 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2020-10-27 21:22:03,205 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2020-10-27 21:22:03,205 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2020-10-27 21:22:03,205 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2020-10-27 21:22:03,205 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2020-10-27 21:22:03,205 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2020-10-27 21:22:03,205 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2020-10-27 21:22:03,206 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2020-10-27 21:22:03,206 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 21:22:03,206 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 21:22:03,206 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 21:22:03,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 21:22:03,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 21:22:03,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 21:22:03,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 21:22:03,207 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 21:22:03,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 21:22:03,207 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 21:22:03,207 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 21:22:03,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 21:22:03,208 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 21:22:03,208 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 21:22:03,208 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 21:22:03,208 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2020-10-27 21:22:03,208 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2020-10-27 21:22:03,208 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2020-10-27 21:22:03,208 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2020-10-27 21:22:03,209 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2020-10-27 21:22:03,209 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2020-10-27 21:22:03,209 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2020-10-27 21:22:03,209 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2020-10-27 21:22:03,209 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2020-10-27 21:22:03,209 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2020-10-27 21:22:03,209 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2020-10-27 21:22:03,210 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2020-10-27 21:22:03,210 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2020-10-27 21:22:03,210 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2020-10-27 21:22:03,210 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2020-10-27 21:22:03,210 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2020-10-27 21:22:03,210 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2020-10-27 21:22:03,211 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2020-10-27 21:22:03,211 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2020-10-27 21:22:03,211 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2020-10-27 21:22:03,211 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2020-10-27 21:22:03,211 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2020-10-27 21:22:03,211 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2020-10-27 21:22:03,212 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2020-10-27 21:22:03,212 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2020-10-27 21:22:03,212 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2020-10-27 21:22:03,212 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2020-10-27 21:22:03,212 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2020-10-27 21:22:03,212 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2020-10-27 21:22:03,213 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2020-10-27 21:22:03,213 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2020-10-27 21:22:03,213 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2020-10-27 21:22:03,213 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2020-10-27 21:22:03,213 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2020-10-27 21:22:03,213 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2020-10-27 21:22:03,213 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2020-10-27 21:22:03,214 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2020-10-27 21:22:03,214 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2020-10-27 21:22:03,214 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2020-10-27 21:22:03,214 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2020-10-27 21:22:03,214 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2020-10-27 21:22:03,214 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2020-10-27 21:22:03,214 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2020-10-27 21:22:03,215 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2020-10-27 21:22:03,215 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2020-10-27 21:22:03,215 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2020-10-27 21:22:03,215 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 21:22:03,215 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2020-10-27 21:22:03,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 21:22:03,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 21:22:03,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 21:22:05,545 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 21:22:05,545 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-27 21:22:05,548 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 09:22:05 BoogieIcfgContainer [2020-10-27 21:22:05,549 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 21:22:05,551 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 21:22:05,551 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 21:22:05,554 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 21:22:05,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 09:22:01" (1/3) ... [2020-10-27 21:22:05,555 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2367c0c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 09:22:05, skipping insertion in model container [2020-10-27 21:22:05,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:22:02" (2/3) ... [2020-10-27 21:22:05,556 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2367c0c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 09:22:05, skipping insertion in model container [2020-10-27 21:22:05,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 09:22:05" (3/3) ... [2020-10-27 21:22:05,558 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec1_product30.cil.c [2020-10-27 21:22:05,570 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 21:22:05,576 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 21:22:05,590 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 21:22:05,621 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 21:22:05,621 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 21:22:05,621 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 21:22:05,621 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 21:22:05,621 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 21:22:05,622 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 21:22:05,622 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 21:22:05,625 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 21:22:05,661 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states. [2020-10-27 21:22:05,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-27 21:22:05,682 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:22:05,684 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 21:22:05,684 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 21:22:05,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:22:05,691 INFO L82 PathProgramCache]: Analyzing trace with hash 1219969917, now seen corresponding path program 1 times [2020-10-27 21:22:05,700 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:22:05,701 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1559940641] [2020-10-27 21:22:05,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:22:06,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:06,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:06,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:06,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:07,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:07,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:11,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:11,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 237 [2020-10-27 21:22:11,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 21:22:11,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5025 [2020-10-27 21:22:11,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:11,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:11,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 121 [2020-10-27 21:22:11,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:11,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 21:22:13,573 WARN L193 SmtUtils]: Spent 2.23 s on a formula simplification that was a NOOP. DAG size: 574 [2020-10-27 21:22:13,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:22:13,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:13,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:13,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:13,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:22:13,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:13,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-27 21:22:13,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:13,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:13,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:22:13,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:13,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:13,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:22:13,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:13,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:13,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:13,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:22:13,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:13,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:22:13,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:13,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:13,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:22:13,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:13,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:13,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:22:13,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:13,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:13,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:13,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:22:13,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:13,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:22:13,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:13,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:13,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:22:13,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:13,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:13,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:22:13,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:13,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:13,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:13,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:22:13,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:13,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:22:13,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:13,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:13,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:22:13,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:13,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:13,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:22:13,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:13,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:13,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:13,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:13,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:16,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:18,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:18,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 21:22:18,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 21:22:18,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 21:22:18,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:18,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:22:18,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-27 21:22:18,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 21:22:18,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:18,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:22:18,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:18,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:18,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:18,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:22:18,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:18,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 21:22:18,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:18,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:18,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:22:18,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:18,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:18,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:22:18,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:18,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:18,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:18,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:22:18,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:18,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:22:18,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:18,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:18,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:22:18,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:18,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:18,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:22:18,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:18,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:18,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:18,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:22:18,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:18,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:22:18,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:18,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:18,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:22:18,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:18,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 21:22:18,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:22:18,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:18,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:18,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:18,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:22:18,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:18,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:22:18,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:18,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:18,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:22:18,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:18,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:18,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 21:22:18,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:18,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:19,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:19,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:22:19,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:19,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 21:22:19,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:19,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:19,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:22:19,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:19,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:19,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:22:19,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:19,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:19,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:19,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:22:19,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:19,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 21:22:19,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:19,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:19,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:22:19,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:19,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:19,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:22:19,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:19,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:19,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:19,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:22:19,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:19,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:22:19,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:19,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:19,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:22:19,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:19,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:19,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:22:19,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:19,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:19,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:19,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:22:19,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:19,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:22:19,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:19,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:19,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:22:19,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:19,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:19,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 21:22:19,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:19,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:19,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:19,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:19,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:22:19,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:22:19,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 138 [2020-10-27 21:22:19,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:19,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:22:19,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:22:19,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 21:22:19,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:19,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:22:19,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:19,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:19,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:19,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:22:19,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:19,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 21:22:19,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:19,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:22:19,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:22:19,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 21:22:19,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:19,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:22:19,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:19,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:19,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:19,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:22:19,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:19,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:22:19,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:19,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:19,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:22:19,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:19,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:19,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:22:19,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:19,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:19,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:19,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:22:19,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:19,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 21:22:19,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:19,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:22:19,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:22:19,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 21:22:19,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:19,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-27 21:22:19,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:19,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:19,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:19,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 21:22:19,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:19,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 21:22:19,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:19,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:19,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 21:22:19,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:19,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:19,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:22:19,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:19,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:19,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:19,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:22:19,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:19,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:22:19,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:19,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:19,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:22:19,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:19,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:19,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:22:19,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:19,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:19,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:19,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:22:19,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:19,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:22:19,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:19,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:19,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:22:19,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:19,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:19,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-27 21:22:19,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:19,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:19,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:19,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 21:22:19,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:19,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 21:22:19,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:19,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:19,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 21:22:19,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:19,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:19,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:22:19,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:19,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:19,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:19,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:22:19,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:19,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:22:19,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:19,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:19,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:22:19,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:19,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:19,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-27 21:22:19,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:19,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:19,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:19,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:22:19,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:19,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:22:19,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:19,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:19,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:22:19,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:19,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:19,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-27 21:22:19,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:19,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:19,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:19,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:22:19,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:19,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:22:19,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:19,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:19,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 21:22:19,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:19,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:19,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-27 21:22:19,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:19,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:19,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:19,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:22:19,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:19,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:22:19,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:19,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:19,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:22:19,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:19,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:19,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-27 21:22:19,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:19,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:19,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:19,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:22:19,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:19,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:22:19,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:19,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:19,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:22:19,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:19,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:19,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-27 21:22:19,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:19,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:19,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:22:19,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:22:19,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:22:19,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:22:19,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:22:19,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:22:19,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:22:19,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:22:19,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:22:19,714 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-27 21:22:19,715 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1559940641] [2020-10-27 21:22:19,717 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:22:19,717 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-10-27 21:22:19,718 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634373218] [2020-10-27 21:22:19,723 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-27 21:22:19,724 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:22:19,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-27 21:22:19,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2020-10-27 21:22:19,740 INFO L87 Difference]: Start difference. First operand 548 states. Second operand 16 states. [2020-10-27 21:22:24,057 WARN L193 SmtUtils]: Spent 2.07 s on a formula simplification that was a NOOP. DAG size: 577 [2020-10-27 21:22:27,316 WARN L193 SmtUtils]: Spent 2.09 s on a formula simplification that was a NOOP. DAG size: 576 [2020-10-27 21:22:29,480 WARN L193 SmtUtils]: Spent 2.11 s on a formula simplification that was a NOOP. DAG size: 582 [2020-10-27 21:22:32,115 WARN L193 SmtUtils]: Spent 2.12 s on a formula simplification that was a NOOP. DAG size: 579 [2020-10-27 21:22:55,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:22:55,535 INFO L93 Difference]: Finished difference Result 1491 states and 2254 transitions. [2020-10-27 21:22:55,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2020-10-27 21:22:55,543 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 159 [2020-10-27 21:22:55,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:22:55,573 INFO L225 Difference]: With dead ends: 1491 [2020-10-27 21:22:55,573 INFO L226 Difference]: Without dead ends: 882 [2020-10-27 21:22:55,586 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1723 ImplicationChecksByTransitivity, 13.6s TimeCoverageRelationStatistics Valid=1043, Invalid=4069, Unknown=0, NotChecked=0, Total=5112 [2020-10-27 21:22:55,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 882 states. [2020-10-27 21:22:55,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 882 to 508. [2020-10-27 21:22:55,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 508 states. [2020-10-27 21:22:55,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 508 states and 675 transitions. [2020-10-27 21:22:55,975 INFO L78 Accepts]: Start accepts. Automaton has 508 states and 675 transitions. Word has length 159 [2020-10-27 21:22:55,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:22:55,976 INFO L481 AbstractCegarLoop]: Abstraction has 508 states and 675 transitions. [2020-10-27 21:22:55,976 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-27 21:22:55,976 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 675 transitions. [2020-10-27 21:22:55,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-10-27 21:22:55,983 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:22:55,984 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 21:22:55,984 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 21:22:55,984 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 21:22:55,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:22:55,985 INFO L82 PathProgramCache]: Analyzing trace with hash -2017124064, now seen corresponding path program 1 times [2020-10-27 21:22:55,985 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:22:55,986 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1938279186] [2020-10-27 21:22:55,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:22:56,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:22:56,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:56,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:56,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:56,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:56,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:57,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:22:58,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:01,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:01,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 239 [2020-10-27 21:23:01,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 21:23:01,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5037 [2020-10-27 21:23:01,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:01,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:23:01,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 121 [2020-10-27 21:23:01,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 21:23:01,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:03,242 WARN L193 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 574 [2020-10-27 21:23:03,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:23:03,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:03,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:03,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:03,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:23:03,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:03,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-27 21:23:03,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:03,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:03,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:23:03,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:03,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:03,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:23:03,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:03,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:03,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:03,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:23:03,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:03,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:23:03,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:03,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:03,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:23:03,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:03,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 21:23:03,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:23:03,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:03,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:03,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:03,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:23:03,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:03,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:23:03,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:03,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:03,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:23:03,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:03,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:03,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:23:03,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:03,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:03,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:03,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:23:03,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:03,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:23:03,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:03,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:03,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:23:03,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:03,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:03,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:23:03,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:03,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:03,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:03,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:03,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:04,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:04,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:04,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:08,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:08,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-27 21:23:08,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 21:23:08,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 21:23:08,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:08,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:23:08,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-27 21:23:08,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 21:23:08,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:08,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:23:08,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:08,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:08,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:08,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:23:08,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:08,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:23:08,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:08,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:08,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:23:08,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:08,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:08,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:23:08,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:08,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:08,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:08,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:23:08,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:08,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:23:08,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:08,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:08,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:23:08,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:08,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:08,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:23:08,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:08,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:08,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:08,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:23:08,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:08,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:23:08,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:08,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:08,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:23:08,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:08,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:08,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:23:08,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:08,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:08,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:08,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:23:08,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:08,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:23:08,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:08,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:08,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:23:08,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:08,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:08,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 21:23:08,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:08,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:08,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:08,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:23:08,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:08,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:23:08,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:08,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:08,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:23:08,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:08,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:08,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:23:08,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:08,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:08,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:08,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:23:08,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:08,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:23:08,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:08,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:08,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:23:08,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:08,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:08,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:23:08,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:08,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:08,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:08,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:23:08,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:08,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:23:08,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:08,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:08,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:23:08,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:08,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:08,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:23:08,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:08,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:08,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:08,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:23:08,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:08,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:23:08,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:08,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:08,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:23:08,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:08,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:08,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 21:23:08,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:08,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:08,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:08,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:08,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 21:23:08,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:23:08,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-27 21:23:08,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:08,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:23:08,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 21:23:08,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 21:23:08,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:08,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:23:08,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:08,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:08,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:08,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:23:08,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:08,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 21:23:08,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:08,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:23:08,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:23:08,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 21:23:08,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:08,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:23:08,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:08,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:08,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:08,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:23:08,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:08,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 21:23:08,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:08,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:23:08,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:23:08,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 21:23:08,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:08,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:23:08,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:08,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:08,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:08,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:08,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:23:08,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:23:08,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 21:23:08,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:08,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 21:23:08,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:23:08,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 21:23:08,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:08,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-27 21:23:08,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:08,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:08,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:08,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 21:23:08,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:08,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 21:23:08,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:08,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:08,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 21:23:08,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:08,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:08,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:23:08,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:08,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:08,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:08,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:23:08,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:08,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:23:08,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:08,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:08,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:23:08,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:08,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:08,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:23:08,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:08,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:08,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:08,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:23:08,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:08,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:23:08,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:08,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:08,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:23:08,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:08,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:09,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-27 21:23:09,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:09,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:09,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:09,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 21:23:09,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:09,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:23:09,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:09,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:09,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 21:23:09,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:09,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:09,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:23:09,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:09,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:09,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:09,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:23:09,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:09,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:23:09,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:09,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:09,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:23:09,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:09,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:09,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-27 21:23:09,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:09,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:09,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:09,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:23:09,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:09,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:23:09,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:09,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:09,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:23:09,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:09,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:09,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-27 21:23:09,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:09,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:09,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:09,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:23:09,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:09,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:23:09,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:09,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:09,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 21:23:09,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:09,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:09,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-27 21:23:09,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:09,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:09,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:09,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:23:09,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:09,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:23:09,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:09,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:09,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:23:09,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:09,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:09,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-27 21:23:09,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:09,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:09,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:09,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:23:09,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:09,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:23:09,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:09,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:09,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:23:09,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:09,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:09,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-27 21:23:09,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:09,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:09,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:09,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:23:09,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:09,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:23:09,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:09,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:09,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:23:09,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:09,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:09,144 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-27 21:23:09,146 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1938279186] [2020-10-27 21:23:09,146 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:23:09,147 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-10-27 21:23:09,147 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245404247] [2020-10-27 21:23:09,150 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-27 21:23:09,150 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:23:09,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-27 21:23:09,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2020-10-27 21:23:09,151 INFO L87 Difference]: Start difference. First operand 508 states and 675 transitions. Second operand 19 states. [2020-10-27 21:23:14,082 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification that was a NOOP. DAG size: 577 [2020-10-27 21:23:16,699 WARN L193 SmtUtils]: Spent 2.08 s on a formula simplification that was a NOOP. DAG size: 577 [2020-10-27 21:23:18,947 WARN L193 SmtUtils]: Spent 2.09 s on a formula simplification that was a NOOP. DAG size: 580 [2020-10-27 21:23:22,180 WARN L193 SmtUtils]: Spent 2.10 s on a formula simplification that was a NOOP. DAG size: 577 [2020-10-27 21:23:25,495 WARN L193 SmtUtils]: Spent 2.07 s on a formula simplification that was a NOOP. DAG size: 577 [2020-10-27 21:23:44,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:23:44,860 INFO L93 Difference]: Finished difference Result 1332 states and 1896 transitions. [2020-10-27 21:23:44,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-27 21:23:44,861 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 161 [2020-10-27 21:23:44,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:23:44,871 INFO L225 Difference]: With dead ends: 1332 [2020-10-27 21:23:44,871 INFO L226 Difference]: Without dead ends: 887 [2020-10-27 21:23:44,874 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 319 ImplicationChecksByTransitivity, 14.1s TimeCoverageRelationStatistics Valid=365, Invalid=1357, Unknown=0, NotChecked=0, Total=1722 [2020-10-27 21:23:44,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 887 states. [2020-10-27 21:23:45,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 887 to 510. [2020-10-27 21:23:45,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 510 states. [2020-10-27 21:23:45,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 510 states and 676 transitions. [2020-10-27 21:23:45,151 INFO L78 Accepts]: Start accepts. Automaton has 510 states and 676 transitions. Word has length 161 [2020-10-27 21:23:45,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:23:45,152 INFO L481 AbstractCegarLoop]: Abstraction has 510 states and 676 transitions. [2020-10-27 21:23:45,152 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-27 21:23:45,152 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 676 transitions. [2020-10-27 21:23:45,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-10-27 21:23:45,156 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:23:45,156 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 21:23:45,157 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 21:23:45,157 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 21:23:45,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:23:45,158 INFO L82 PathProgramCache]: Analyzing trace with hash -941699192, now seen corresponding path program 1 times [2020-10-27 21:23:45,158 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:23:45,158 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1479611837] [2020-10-27 21:23:45,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:23:45,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:45,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:45,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:45,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:45,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:45,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:45,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:45,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:47,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:47,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:48,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:50,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:50,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 250 [2020-10-27 21:23:50,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 21:23:50,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5070 [2020-10-27 21:23:50,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:50,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:23:50,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 122 [2020-10-27 21:23:50,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 21:23:50,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:52,546 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification that was a NOOP. DAG size: 574 [2020-10-27 21:23:52,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:23:52,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:52,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:52,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:52,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:23:52,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:52,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-27 21:23:52,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:52,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:52,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:23:52,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:52,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:52,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:23:52,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:52,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:52,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:52,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:23:52,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:52,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:23:52,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:52,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:52,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:23:52,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:52,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:52,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:23:52,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:52,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:52,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:52,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:23:52,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:52,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:23:52,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:52,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:52,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:23:52,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:52,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:52,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:23:52,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:52,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:52,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:52,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:23:52,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:52,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:23:52,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:52,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:52,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:23:52,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:52,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:52,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:23:52,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:52,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:52,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:52,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:52,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:54,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:57,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:57,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-27 21:23:57,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 21:23:57,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-27 21:23:57,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:57,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:23:57,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-27 21:23:57,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 21:23:57,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:57,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:23:57,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:57,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:57,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:57,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:23:57,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:57,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 21:23:57,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:57,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:57,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:23:57,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:57,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:57,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:23:57,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:57,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:57,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:57,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:23:57,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:57,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:23:57,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:57,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:57,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:23:57,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:57,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:57,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:23:57,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:57,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:57,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:57,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:23:57,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:57,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:23:57,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:57,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:57,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:23:57,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:57,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:57,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:23:57,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:57,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:57,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:57,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:23:57,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:57,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:23:57,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:57,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:57,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:23:57,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:57,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:57,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 21:23:57,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:57,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:57,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:57,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:23:57,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:57,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:23:57,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:57,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:57,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:23:57,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:57,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:57,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:23:57,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:57,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:57,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:57,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:23:57,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:57,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:23:57,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:57,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:57,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:23:57,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:57,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:57,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:23:57,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:57,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:57,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:57,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:23:57,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:57,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:23:57,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:57,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:57,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:23:57,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:57,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:57,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:23:57,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:57,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:57,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:57,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:23:57,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:57,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:23:57,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:57,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:57,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:23:57,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:57,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:57,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 21:23:57,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:57,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:57,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:58,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:58,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 21:23:58,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:23:58,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 117 [2020-10-27 21:23:58,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:58,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:23:58,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:23:58,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-27 21:23:58,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:58,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:23:58,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:58,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:58,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:58,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 21:23:58,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:58,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 21:23:58,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:58,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:23:58,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:23:58,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 21:23:58,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:58,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:23:58,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:58,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:58,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:58,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:23:58,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:58,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:23:58,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:58,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:58,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:23:58,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:58,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:58,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 21:23:58,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:58,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:58,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:58,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:23:58,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:58,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 21:23:58,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:58,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:23:58,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:23:58,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 21:23:58,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:58,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-27 21:23:58,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:58,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:58,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:58,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 21:23:58,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:58,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 21:23:58,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:58,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:58,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 21:23:58,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:58,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:58,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:23:58,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:58,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:58,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:58,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:23:58,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:58,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:23:58,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:58,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:58,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:23:58,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:58,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:58,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:23:58,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:58,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:58,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:58,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:23:58,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:58,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:23:58,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:58,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:58,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:23:58,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:58,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:58,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-27 21:23:58,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:58,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:58,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:58,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 21:23:58,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:58,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:23:58,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:58,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:58,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 21:23:58,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:58,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:58,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:23:58,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:58,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:58,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:58,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:23:58,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:58,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:23:58,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:58,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:58,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:23:58,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:58,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:58,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-27 21:23:58,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:58,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:58,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:58,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:23:58,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:58,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:23:58,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:58,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:58,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:23:58,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:58,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:58,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-27 21:23:58,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:58,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:58,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:58,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:23:58,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:58,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:23:58,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:58,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:58,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 21:23:58,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:58,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:58,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-27 21:23:58,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:58,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:58,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:58,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:23:58,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:58,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:23:58,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:58,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:58,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:23:58,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:58,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:58,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-27 21:23:58,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:58,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:58,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:58,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:23:58,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:58,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:23:58,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:58,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:58,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:23:58,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:58,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:58,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-10-27 21:23:58,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:23:58,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:23:58,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:23:58,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:23:58,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:23:58,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:23:58,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:23:58,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:23:58,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:23:58,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:23:58,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:23:58,473 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-27 21:23:58,474 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1479611837] [2020-10-27 21:23:58,474 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:23:58,474 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-10-27 21:23:58,475 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952452313] [2020-10-27 21:23:58,475 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-27 21:23:58,475 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:23:58,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-27 21:23:58,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2020-10-27 21:23:58,476 INFO L87 Difference]: Start difference. First operand 510 states and 676 transitions. Second operand 17 states. [2020-10-27 21:24:02,375 WARN L193 SmtUtils]: Spent 2.26 s on a formula simplification that was a NOOP. DAG size: 577 [2020-10-27 21:24:05,687 WARN L193 SmtUtils]: Spent 2.44 s on a formula simplification that was a NOOP. DAG size: 581 [2020-10-27 21:24:09,254 WARN L193 SmtUtils]: Spent 2.30 s on a formula simplification that was a NOOP. DAG size: 580 [2020-10-27 21:24:12,228 WARN L193 SmtUtils]: Spent 2.30 s on a formula simplification that was a NOOP. DAG size: 580 [2020-10-27 21:24:34,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:24:34,555 INFO L93 Difference]: Finished difference Result 1453 states and 2132 transitions. [2020-10-27 21:24:34,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-27 21:24:34,556 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 172 [2020-10-27 21:24:34,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:24:34,565 INFO L225 Difference]: With dead ends: 1453 [2020-10-27 21:24:34,566 INFO L226 Difference]: Without dead ends: 1009 [2020-10-27 21:24:34,570 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 346 ImplicationChecksByTransitivity, 13.3s TimeCoverageRelationStatistics Valid=404, Invalid=1318, Unknown=0, NotChecked=0, Total=1722 [2020-10-27 21:24:34,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1009 states. [2020-10-27 21:24:34,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1009 to 550. [2020-10-27 21:24:34,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 550 states. [2020-10-27 21:24:34,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 745 transitions. [2020-10-27 21:24:34,894 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 745 transitions. Word has length 172 [2020-10-27 21:24:34,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:24:34,894 INFO L481 AbstractCegarLoop]: Abstraction has 550 states and 745 transitions. [2020-10-27 21:24:34,894 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-27 21:24:34,894 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 745 transitions. [2020-10-27 21:24:34,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-10-27 21:24:34,898 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:24:34,899 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 21:24:34,899 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 21:24:34,899 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 21:24:34,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:24:34,900 INFO L82 PathProgramCache]: Analyzing trace with hash 1138405310, now seen corresponding path program 1 times [2020-10-27 21:24:34,900 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:24:34,900 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [338862599] [2020-10-27 21:24:34,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:24:34,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:24:35,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:24:35,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:24:35,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:24:35,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:24:35,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:24:35,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:24:35,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:24:39,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:24:39,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 252 [2020-10-27 21:24:39,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 21:24:39,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5027 [2020-10-27 21:24:39,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:24:39,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:24:39,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 123 [2020-10-27 21:24:39,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 21:24:39,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:24:42,160 WARN L193 SmtUtils]: Spent 2.11 s on a formula simplification that was a NOOP. DAG size: 574 [2020-10-27 21:24:42,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:24:42,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:24:42,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:24:42,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:24:42,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:24:42,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:24:42,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-27 21:24:42,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:24:42,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:24:42,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:24:42,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:24:42,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:24:42,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:24:42,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:24:42,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:24:42,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:24:42,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:24:42,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:24:42,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:24:42,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:24:42,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:24:42,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:24:42,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:24:42,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:24:42,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:24:42,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:24:42,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:24:42,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:24:42,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:24:42,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:24:42,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:24:42,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:24:42,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:24:42,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:24:42,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:24:42,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:24:42,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:24:42,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:24:42,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:24:42,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:24:42,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:24:42,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:24:42,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:24:42,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:24:42,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:24:42,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:24:42,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:24:42,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:24:42,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:24:42,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:24:42,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:24:42,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:24:42,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:24:42,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:24:43,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:24:43,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:24:47,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:24:47,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-27 21:24:47,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 21:24:47,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-27 21:24:47,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:24:47,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:24:47,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-27 21:24:47,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-27 21:24:47,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:24:47,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:24:47,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:24:47,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:24:47,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:24:47,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:24:47,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:24:47,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:24:47,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:24:47,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:24:47,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:24:47,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:24:47,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:24:47,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:24:47,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:24:47,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:24:47,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:24:47,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:24:47,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:24:47,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:24:47,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:24:47,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:24:47,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:24:47,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:24:47,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:24:47,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:24:47,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:24:47,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:24:47,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:24:47,416 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:24:47,416 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:24:47,416 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:24:47,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:24:47,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:24:47,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:24:47,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:24:47,417 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:24:47,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:24:47,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:24:47,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:24:47,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:24:47,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:24:47,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:24:47,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:24:47,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:24:47,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:24:47,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:24:47,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:24:47,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:24:47,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 21:24:47,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:24:47,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:24:47,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:24:47,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:24:47,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:24:47,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:24:47,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:24:47,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:24:47,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:24:47,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:24:47,464 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:24:47,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:24:47,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:24:47,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:24:47,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:24:47,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:24:47,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:24:47,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:24:47,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:24:47,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:24:47,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:24:47,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:24:47,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:24:47,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:24:47,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:24:47,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:24:47,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:24:47,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:24:47,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:24:47,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:24:47,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:24:47,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:24:47,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:24:47,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:24:47,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:24:47,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:24:47,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:24:47,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:24:47,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:24:47,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:24:47,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:24:47,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:24:47,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:24:47,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:24:47,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:24:47,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:24:47,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:24:47,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 21:24:47,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:24:47,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:24:47,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:24:47,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:24:47,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 21:24:47,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:24:47,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-27 21:24:47,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:24:47,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:24:47,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 21:24:47,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 21:24:47,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:24:47,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:24:47,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:24:47,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:24:47,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:24:47,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 21:24:47,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:24:47,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 21:24:47,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:24:47,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:24:47,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:24:47,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 21:24:47,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:24:47,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:24:47,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:24:47,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:24:47,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:24:47,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:24:47,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:24:47,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:24:47,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:24:47,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:24:47,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:24:47,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 21:24:47,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:24:47,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 21:24:47,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:24:47,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:24:47,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:24:47,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:24:47,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 21:24:47,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:24:47,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 21:24:47,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:24:47,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 21:24:47,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:24:47,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 21:24:47,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:24:47,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-27 21:24:47,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:24:47,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:24:47,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:24:47,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 21:24:47,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:24:47,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:24:47,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:24:47,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:24:47,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 21:24:47,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:24:47,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:24:47,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:24:47,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:24:47,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:24:47,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:24:47,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:24:47,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:24:47,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:24:47,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:24:47,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:24:47,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:24:47,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:24:47,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:24:47,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:24:47,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:24:47,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:24:47,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:24:47,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:24:47,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:24:47,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:24:47,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:24:47,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:24:47,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:24:47,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:24:47,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:24:47,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-27 21:24:47,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:24:47,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:24:47,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:24:47,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 21:24:47,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:24:47,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:24:47,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:24:47,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:24:47,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 21:24:47,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:24:47,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:24:47,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:24:47,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:24:47,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:24:47,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:24:47,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:24:47,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:24:47,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:24:47,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:24:47,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:24:48,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:24:48,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:24:48,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:24:48,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-27 21:24:48,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:24:48,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:24:48,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:24:48,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:24:48,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:24:48,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:24:48,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:24:48,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:24:48,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:24:48,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:24:48,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:24:48,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-27 21:24:48,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:24:48,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:24:48,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:24:48,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:24:48,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:24:48,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:24:48,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:24:48,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:24:48,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 21:24:48,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:24:48,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:24:48,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-27 21:24:48,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:24:48,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:24:48,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:24:48,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:24:48,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:24:48,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:24:48,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:24:48,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:24:48,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:24:48,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:24:48,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:24:48,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-27 21:24:48,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:24:48,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:24:48,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:24:48,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:24:48,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:24:48,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:24:48,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:24:48,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:24:48,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:24:48,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:24:48,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:24:48,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-27 21:24:48,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:24:48,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:24:48,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:24:48,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:24:48,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:24:48,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:24:48,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:24:48,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:24:48,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:24:48,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:24:48,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:24:48,117 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-27 21:24:48,118 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [338862599] [2020-10-27 21:24:48,118 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:24:48,118 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-10-27 21:24:48,119 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1545793856] [2020-10-27 21:24:48,119 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-27 21:24:48,119 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:24:48,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-27 21:24:48,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2020-10-27 21:24:48,121 INFO L87 Difference]: Start difference. First operand 550 states and 745 transitions. Second operand 19 states. [2020-10-27 21:24:51,972 WARN L193 SmtUtils]: Spent 2.20 s on a formula simplification that was a NOOP. DAG size: 584 [2020-10-27 21:24:54,666 WARN L193 SmtUtils]: Spent 2.14 s on a formula simplification that was a NOOP. DAG size: 577 [2020-10-27 21:24:57,076 WARN L193 SmtUtils]: Spent 2.15 s on a formula simplification that was a NOOP. DAG size: 580 [2020-10-27 21:25:00,221 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification that was a NOOP. DAG size: 577 [2020-10-27 21:25:03,554 WARN L193 SmtUtils]: Spent 2.11 s on a formula simplification that was a NOOP. DAG size: 577 [2020-10-27 21:25:26,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:25:26,800 INFO L93 Difference]: Finished difference Result 1729 states and 2648 transitions. [2020-10-27 21:25:26,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-27 21:25:26,801 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 174 [2020-10-27 21:25:26,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:25:26,811 INFO L225 Difference]: With dead ends: 1729 [2020-10-27 21:25:26,812 INFO L226 Difference]: Without dead ends: 1242 [2020-10-27 21:25:26,815 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 395 ImplicationChecksByTransitivity, 14.6s TimeCoverageRelationStatistics Valid=401, Invalid=1491, Unknown=0, NotChecked=0, Total=1892 [2020-10-27 21:25:26,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1242 states. [2020-10-27 21:25:27,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1242 to 627. [2020-10-27 21:25:27,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 627 states. [2020-10-27 21:25:27,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 627 states and 876 transitions. [2020-10-27 21:25:27,119 INFO L78 Accepts]: Start accepts. Automaton has 627 states and 876 transitions. Word has length 174 [2020-10-27 21:25:27,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:25:27,120 INFO L481 AbstractCegarLoop]: Abstraction has 627 states and 876 transitions. [2020-10-27 21:25:27,120 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-27 21:25:27,120 INFO L276 IsEmpty]: Start isEmpty. Operand 627 states and 876 transitions. [2020-10-27 21:25:27,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-27 21:25:27,128 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:25:27,129 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 21:25:27,129 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 21:25:27,129 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 21:25:27,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:25:27,130 INFO L82 PathProgramCache]: Analyzing trace with hash -120148742, now seen corresponding path program 1 times [2020-10-27 21:25:27,130 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:25:27,130 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2132920765] [2020-10-27 21:25:27,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:25:27,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:25:27,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:27,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:27,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:27,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:27,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:27,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:28,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:30,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:32,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:25:32,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 254 [2020-10-27 21:25:32,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 21:25:32,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5033 [2020-10-27 21:25:32,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:25:32,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 21:25:32,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 124 [2020-10-27 21:25:32,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 21:25:32,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:25:34,412 WARN L193 SmtUtils]: Spent 2.08 s on a formula simplification that was a NOOP. DAG size: 574 [2020-10-27 21:25:34,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:25:34,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:25:34,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:34,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:25:34,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:25:34,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:25:34,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-27 21:25:34,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:25:34,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:25:34,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:25:34,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:25:34,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:25:34,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:25:34,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:25:34,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:34,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:25:34,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:25:34,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:25:34,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:25:34,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:25:34,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:25:34,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:25:34,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:25:34,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:25:34,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:25:34,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:25:34,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:34,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:25:34,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:25:34,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:25:34,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:25:34,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:25:34,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:25:34,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:25:34,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:25:34,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:25:34,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:25:34,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:25:34,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:34,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:25:34,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:25:34,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:25:34,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:25:34,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:25:34,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:25:34,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:25:34,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:25:34,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:25:34,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:25:34,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:25:34,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:34,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:34,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:34,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:25:34,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-27 21:25:34,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 21:25:34,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 442 [2020-10-27 21:25:34,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:25:34,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:25:34,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-27 21:25:34,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 21:25:34,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:25:35,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:25:35,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:25:35,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:35,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:25:35,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:25:35,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:25:35,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:25:35,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:25:35,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:25:35,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:25:35,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:25:35,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:25:35,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:25:35,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:25:35,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:35,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:25:35,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:25:35,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:25:35,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:25:35,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:25:35,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:25:35,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:25:35,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:25:35,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:25:35,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:25:35,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:25:35,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:35,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:25:35,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:25:35,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:25:35,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:25:35,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:25:35,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:25:35,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:25:35,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:25:35,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:25:35,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:25:35,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:25:35,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:35,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:25:35,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:25:35,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:25:35,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:25:35,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:25:35,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:25:35,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:25:35,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:25:35,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:25:35,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 21:25:35,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:25:35,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:35,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:35,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:25:35,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:25:35,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:25:35,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 50 [2020-10-27 21:25:35,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:25:35,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:25:35,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:25:35,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 21:25:35,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:25:35,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:25:35,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:25:35,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:35,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:25:35,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:25:35,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:25:35,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 21:25:35,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:25:35,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 21:25:35,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:25:35,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 21:25:35,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:25:35,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:25:35,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:25:35,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:35,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:25:35,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:25:35,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:25:35,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:25:35,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:25:35,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:25:35,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:25:35,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 21:25:35,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:25:35,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:25:35,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:25:35,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:35,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:25:35,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:25:35,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:25:35,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:25:35,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:25:35,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:25:35,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:25:35,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 21:25:35,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:25:35,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 21:25:35,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:25:35,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:35,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:25:35,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 21:25:35,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:25:35,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 21:25:35,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:25:35,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:25:35,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-27 21:25:35,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:25:35,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:25:35,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:25:35,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:25:35,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:35,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:25:35,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 21:25:35,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:25:35,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:25:35,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:25:35,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:25:35,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:25:35,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:25:35,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:25:35,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:25:35,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:25:35,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:35,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:25:35,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 21:25:35,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:25:35,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:25:35,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:25:35,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:25:35,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:25:35,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:25:35,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 21:25:35,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:25:35,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:25:35,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:35,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:25:35,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 21:25:35,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:25:35,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 21:25:35,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:25:35,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:25:35,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:25:35,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:25:35,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 21:25:35,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-27 21:25:35,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:25:35,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:35,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:25:35,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 21:25:35,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:25:35,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:25:35,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:25:35,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:25:35,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 21:25:35,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:25:35,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:25:35,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:25:35,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:25:35,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:35,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:25:35,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:25:35,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:25:35,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:25:35,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:25:35,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:25:35,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:25:35,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:25:35,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:25:35,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:25:35,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:25:35,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:35,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:25:35,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:25:35,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:25:35,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:25:35,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:25:35,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:25:35,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:25:35,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:25:35,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:25:35,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-27 21:25:35,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:25:35,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:35,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:25:35,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-10-27 21:25:35,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:25:35,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:25:35,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:25:35,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:25:35,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-10-27 21:25:35,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:25:35,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:25:35,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:25:35,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:25:35,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:35,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:25:35,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:25:35,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:25:35,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:25:35,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:25:35,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:25:35,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:25:35,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:25:35,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:25:35,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-27 21:25:35,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:25:35,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:35,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:25:35,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:25:35,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:25:35,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:25:35,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:25:35,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:25:35,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:25:35,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:25:35,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:25:35,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-27 21:25:35,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:25:35,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:35,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:25:35,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:25:35,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:25:35,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:25:35,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:25:35,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:25:35,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 21:25:35,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:25:35,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:25:35,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-27 21:25:35,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:25:35,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:35,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:25:35,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:25:35,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:25:35,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:25:35,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:25:35,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:25:35,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:25:35,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:25:35,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:25:35,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-27 21:25:35,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:25:35,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:35,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:25:35,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:25:35,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:25:35,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:25:35,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:25:35,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:25:35,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:25:35,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:25:35,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:25:35,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-10-27 21:25:35,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:25:35,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:25:35,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:25:35,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:25:35,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:25:35,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:25:35,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:25:35,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:25:35,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:25:35,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:25:35,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:25:35,657 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-27 21:25:35,657 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2132920765] [2020-10-27 21:25:35,657 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 21:25:35,657 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-27 21:25:35,657 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410699182] [2020-10-27 21:25:35,658 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-27 21:25:35,658 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:25:35,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-27 21:25:35,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2020-10-27 21:25:35,659 INFO L87 Difference]: Start difference. First operand 627 states and 876 transitions. Second operand 20 states. [2020-10-27 21:25:39,326 WARN L193 SmtUtils]: Spent 2.17 s on a formula simplification that was a NOOP. DAG size: 577