/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_spec8_product21.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 21:48:19,986 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 21:48:19,990 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 21:48:20,034 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 21:48:20,035 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 21:48:20,036 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 21:48:20,038 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 21:48:20,040 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 21:48:20,042 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 21:48:20,044 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 21:48:20,045 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 21:48:20,046 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 21:48:20,047 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 21:48:20,048 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 21:48:20,049 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 21:48:20,051 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 21:48:20,052 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 21:48:20,053 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 21:48:20,069 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 21:48:20,071 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 21:48:20,073 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 21:48:20,077 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 21:48:20,079 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 21:48:20,080 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 21:48:20,083 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 21:48:20,083 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 21:48:20,084 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 21:48:20,085 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 21:48:20,085 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 21:48:20,086 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 21:48:20,087 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 21:48:20,087 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 21:48:20,088 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 21:48:20,089 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 21:48:20,090 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 21:48:20,091 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 21:48:20,091 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 21:48:20,092 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 21:48:20,092 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 21:48:20,093 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 21:48:20,094 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 21:48:20,095 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 21:48:20,122 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 21:48:20,123 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 21:48:20,127 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 21:48:20,127 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 21:48:20,127 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 21:48:20,128 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 21:48:20,128 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 21:48:20,128 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 21:48:20,128 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 21:48:20,129 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 21:48:20,129 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 21:48:20,129 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 21:48:20,129 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 21:48:20,130 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 21:48:20,130 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 21:48:20,130 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 21:48:20,130 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 21:48:20,130 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 21:48:20,131 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 21:48:20,131 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 21:48:20,131 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 21:48:20,131 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 21:48:20,132 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 21:48:20,132 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 21:48:20,133 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 21:48:20,134 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 21:48:20,134 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 21:48:20,134 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 21:48:20,134 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 21:48:20,134 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 21:48:20,548 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 21:48:20,575 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 21:48:20,578 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 21:48:20,579 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 21:48:20,580 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 21:48:20,581 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec8_product21.cil.c [2020-10-27 21:48:20,657 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9c08b446a/dcc7e4b36657488395a37ef9d62b074a/FLAG268a32f2e [2020-10-27 21:48:21,369 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 21:48:21,370 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/email_spec8_product21.cil.c [2020-10-27 21:48:21,402 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9c08b446a/dcc7e4b36657488395a37ef9d62b074a/FLAG268a32f2e [2020-10-27 21:48:21,528 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9c08b446a/dcc7e4b36657488395a37ef9d62b074a [2020-10-27 21:48:21,531 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 21:48:21,538 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 21:48:21,540 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 21:48:21,540 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 21:48:21,544 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 21:48:21,545 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 09:48:21" (1/1) ... [2020-10-27 21:48:21,549 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@341a20e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:48:21, skipping insertion in model container [2020-10-27 21:48:21,549 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 09:48:21" (1/1) ... [2020-10-27 21:48:21,558 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 21:48:21,621 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 21:48:22,390 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 21:48:22,404 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 21:48:22,623 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 21:48:22,741 INFO L208 MainTranslator]: Completed translation [2020-10-27 21:48:22,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:48:22 WrapperNode [2020-10-27 21:48:22,742 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 21:48:22,744 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 21:48:22,744 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 21:48:22,744 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 21:48:22,760 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:48:22" (1/1) ... [2020-10-27 21:48:22,762 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:48:22" (1/1) ... [2020-10-27 21:48:22,823 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:48:22" (1/1) ... [2020-10-27 21:48:22,824 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:48:22" (1/1) ... [2020-10-27 21:48:22,919 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:48:22" (1/1) ... [2020-10-27 21:48:22,948 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:48:22" (1/1) ... [2020-10-27 21:48:22,971 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:48:22" (1/1) ... [2020-10-27 21:48:22,991 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 21:48:22,994 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 21:48:22,994 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 21:48:22,995 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 21:48:22,995 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:48:22" (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 21:48:23,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 21:48:23,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 21:48:23,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 21:48:23,072 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 21:48:23,073 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2020-10-27 21:48:23,073 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2020-10-27 21:48:23,073 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2020-10-27 21:48:23,073 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2020-10-27 21:48:23,073 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2020-10-27 21:48:23,073 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2020-10-27 21:48:23,074 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2020-10-27 21:48:23,074 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2020-10-27 21:48:23,074 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 21:48:23,074 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 21:48:23,074 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2020-10-27 21:48:23,074 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2020-10-27 21:48:23,075 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2020-10-27 21:48:23,075 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2020-10-27 21:48:23,075 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2020-10-27 21:48:23,075 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2020-10-27 21:48:23,075 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2020-10-27 21:48:23,075 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2020-10-27 21:48:23,076 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2020-10-27 21:48:23,076 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2020-10-27 21:48:23,076 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2020-10-27 21:48:23,076 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2020-10-27 21:48:23,076 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2020-10-27 21:48:23,076 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2020-10-27 21:48:23,076 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2020-10-27 21:48:23,077 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2020-10-27 21:48:23,077 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2020-10-27 21:48:23,077 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2020-10-27 21:48:23,077 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2020-10-27 21:48:23,077 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2020-10-27 21:48:23,077 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2020-10-27 21:48:23,077 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2020-10-27 21:48:23,078 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AddressBook [2020-10-27 21:48:23,078 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2020-10-27 21:48:23,078 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2020-10-27 21:48:23,078 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2020-10-27 21:48:23,078 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2020-10-27 21:48:23,078 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2020-10-27 21:48:23,078 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2020-10-27 21:48:23,079 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2020-10-27 21:48:23,079 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2020-10-27 21:48:23,079 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2020-10-27 21:48:23,079 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2020-10-27 21:48:23,079 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2020-10-27 21:48:23,079 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2020-10-27 21:48:23,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 21:48:23,080 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 21:48:23,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 21:48:23,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 21:48:23,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 21:48:23,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 21:48:23,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 21:48:23,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 21:48:23,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__1 [2020-10-27 21:48:23,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__2 [2020-10-27 21:48:23,081 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2020-10-27 21:48:23,081 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2020-10-27 21:48:23,081 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2020-10-27 21:48:23,082 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2020-10-27 21:48:23,082 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2020-10-27 21:48:23,082 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2020-10-27 21:48:23,082 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2020-10-27 21:48:23,082 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2020-10-27 21:48:23,082 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2020-10-27 21:48:23,082 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2020-10-27 21:48:23,083 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2020-10-27 21:48:23,083 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2020-10-27 21:48:23,083 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2020-10-27 21:48:23,083 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2020-10-27 21:48:23,083 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2020-10-27 21:48:23,083 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2020-10-27 21:48:23,083 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2020-10-27 21:48:23,084 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2020-10-27 21:48:23,084 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2020-10-27 21:48:23,084 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2020-10-27 21:48:23,084 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2020-10-27 21:48:23,084 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2020-10-27 21:48:23,084 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2020-10-27 21:48:23,085 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2020-10-27 21:48:23,085 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2020-10-27 21:48:23,085 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2020-10-27 21:48:23,085 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2020-10-27 21:48:23,085 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2020-10-27 21:48:23,085 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2020-10-27 21:48:23,085 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 21:48:23,086 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 21:48:23,086 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 21:48:23,086 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 21:48:23,086 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2020-10-27 21:48:23,086 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2020-10-27 21:48:23,086 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2020-10-27 21:48:23,086 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2020-10-27 21:48:23,086 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2020-10-27 21:48:23,087 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2020-10-27 21:48:23,087 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2020-10-27 21:48:23,087 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2020-10-27 21:48:23,087 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2020-10-27 21:48:23,087 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2020-10-27 21:48:23,087 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2020-10-27 21:48:23,088 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2020-10-27 21:48:23,088 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2020-10-27 21:48:23,088 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2020-10-27 21:48:23,088 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2020-10-27 21:48:23,088 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2020-10-27 21:48:23,088 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2020-10-27 21:48:23,088 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2020-10-27 21:48:23,089 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2020-10-27 21:48:23,089 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2020-10-27 21:48:23,089 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2020-10-27 21:48:23,089 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2020-10-27 21:48:23,089 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 21:48:23,090 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 21:48:23,090 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 21:48:23,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 21:48:23,090 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 21:48:23,090 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 21:48:23,090 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-27 21:48:23,091 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2020-10-27 21:48:23,091 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2020-10-27 21:48:23,091 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2020-10-27 21:48:23,091 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2020-10-27 21:48:23,091 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2020-10-27 21:48:23,091 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2020-10-27 21:48:23,092 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2020-10-27 21:48:23,092 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2020-10-27 21:48:23,092 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2020-10-27 21:48:23,092 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2020-10-27 21:48:23,092 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2020-10-27 21:48:23,092 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 21:48:23,093 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 21:48:23,093 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 21:48:23,093 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2020-10-27 21:48:23,093 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2020-10-27 21:48:23,093 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2020-10-27 21:48:23,093 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2020-10-27 21:48:23,094 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2020-10-27 21:48:23,094 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2020-10-27 21:48:23,094 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2020-10-27 21:48:23,094 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2020-10-27 21:48:23,094 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2020-10-27 21:48:23,094 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2020-10-27 21:48:23,095 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2020-10-27 21:48:23,095 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 21:48:23,095 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 21:48:23,095 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 21:48:23,095 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2020-10-27 21:48:23,096 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2020-10-27 21:48:23,096 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2020-10-27 21:48:23,096 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2020-10-27 21:48:23,096 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2020-10-27 21:48:23,096 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2020-10-27 21:48:23,096 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2020-10-27 21:48:23,096 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2020-10-27 21:48:23,097 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2020-10-27 21:48:23,097 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2020-10-27 21:48:23,097 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2020-10-27 21:48:23,097 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2020-10-27 21:48:23,097 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2020-10-27 21:48:23,097 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2020-10-27 21:48:23,098 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2020-10-27 21:48:23,098 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2020-10-27 21:48:23,098 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2020-10-27 21:48:23,098 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2020-10-27 21:48:23,098 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2020-10-27 21:48:23,098 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2020-10-27 21:48:23,099 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2020-10-27 21:48:23,099 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2020-10-27 21:48:23,099 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2020-10-27 21:48:23,099 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2020-10-27 21:48:23,099 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2020-10-27 21:48:23,099 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2020-10-27 21:48:23,099 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2020-10-27 21:48:23,100 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2020-10-27 21:48:23,100 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2020-10-27 21:48:23,100 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2020-10-27 21:48:23,100 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2020-10-27 21:48:23,100 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2020-10-27 21:48:23,100 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2020-10-27 21:48:23,101 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2020-10-27 21:48:23,101 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2020-10-27 21:48:23,101 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2020-10-27 21:48:23,101 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2020-10-27 21:48:23,101 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2020-10-27 21:48:23,101 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2020-10-27 21:48:23,102 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2020-10-27 21:48:23,102 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2020-10-27 21:48:23,102 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2020-10-27 21:48:23,102 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2020-10-27 21:48:23,102 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2020-10-27 21:48:23,102 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__2 [2020-10-27 21:48:23,102 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2020-10-27 21:48:23,103 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2020-10-27 21:48:23,103 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AddressBook [2020-10-27 21:48:23,103 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2020-10-27 21:48:23,103 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__1 [2020-10-27 21:48:23,103 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 21:48:23,103 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 21:48:23,103 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 21:48:23,104 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 21:48:23,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 21:48:23,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 21:48:23,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 21:48:23,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 21:48:23,104 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 21:48:23,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 21:48:23,105 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 21:48:23,105 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 21:48:23,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 21:48:23,105 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 21:48:23,105 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 21:48:23,106 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 21:48:23,106 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2020-10-27 21:48:23,106 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2020-10-27 21:48:23,106 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2020-10-27 21:48:23,106 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2020-10-27 21:48:23,106 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2020-10-27 21:48:23,107 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2020-10-27 21:48:23,107 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2020-10-27 21:48:23,107 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2020-10-27 21:48:23,107 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2020-10-27 21:48:23,107 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2020-10-27 21:48:23,107 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2020-10-27 21:48:23,107 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 21:48:23,108 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2020-10-27 21:48:23,108 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2020-10-27 21:48:23,108 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2020-10-27 21:48:23,108 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2020-10-27 21:48:23,108 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2020-10-27 21:48:23,108 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2020-10-27 21:48:23,109 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2020-10-27 21:48:23,109 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2020-10-27 21:48:23,109 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2020-10-27 21:48:23,109 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2020-10-27 21:48:23,109 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2020-10-27 21:48:23,109 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2020-10-27 21:48:23,109 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2020-10-27 21:48:23,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 21:48:23,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 21:48:23,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 21:48:25,479 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 21:48:25,479 INFO L298 CfgBuilder]: Removed 4 assume(true) statements. [2020-10-27 21:48:25,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 09:48:25 BoogieIcfgContainer [2020-10-27 21:48:25,483 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 21:48:25,485 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 21:48:25,485 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 21:48:25,489 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 21:48:25,489 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 09:48:21" (1/3) ... [2020-10-27 21:48:25,490 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f1c01e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 09:48:25, skipping insertion in model container [2020-10-27 21:48:25,490 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:48:22" (2/3) ... [2020-10-27 21:48:25,491 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f1c01e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 09:48:25, skipping insertion in model container [2020-10-27 21:48:25,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 09:48:25" (3/3) ... [2020-10-27 21:48:25,493 INFO L111 eAbstractionObserver]: Analyzing ICFG email_spec8_product21.cil.c [2020-10-27 21:48:25,505 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 21:48:25,511 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 21:48:25,525 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 21:48:25,558 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 21:48:25,558 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 21:48:25,558 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 21:48:25,558 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 21:48:25,558 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 21:48:25,559 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 21:48:25,559 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 21:48:25,559 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 21:48:25,590 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states. [2020-10-27 21:48:25,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2020-10-27 21:48:25,615 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:48:25,616 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] [2020-10-27 21:48:25,617 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 21:48:25,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:48:25,623 INFO L82 PathProgramCache]: Analyzing trace with hash -1648307951, now seen corresponding path program 1 times [2020-10-27 21:48:25,634 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:48:25,635 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2089204966] [2020-10-27 21:48:25,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:48:26,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:48:26,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:48:26,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:48:26,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:48:26,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:48:27,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:48:31,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:48:31,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-27 21:48:31,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 21:48:31,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5071 [2020-10-27 21:48:31,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:48:31,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:48:31,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 121 [2020-10-27 21:48:31,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:48:31,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 21:48:33,202 WARN L193 SmtUtils]: Spent 1.87 s on a formula simplification that was a NOOP. DAG size: 586 [2020-10-27 21:48:33,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:48:33,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:48:33,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:48:33,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:48:33,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:48:33,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:48:33,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 136 [2020-10-27 21:48:33,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:48:33,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:48:33,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:48:33,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:48:33,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:48:33,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:48:33,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:48:33,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:48:33,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:48:33,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:48:33,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:48:33,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:48:33,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:48:33,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:48:33,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:48:33,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:48:33,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:48:33,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:48:33,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:48:33,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:48:33,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:48:33,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:48:33,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:48:33,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:48:33,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:48:33,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:48:33,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:48:33,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:48:33,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:48:33,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:48:33,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:48:33,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:48:33,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:48:33,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:48:33,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:48:33,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:48:33,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:48:33,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:48:33,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:48:33,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:48:33,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:48:33,574 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-10-27 21:48:33,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:48:33,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:48:33,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:48:33,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:48:33,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:48:33,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:48:35,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:48:38,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:48:38,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 89 [2020-10-27 21:48:38,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 21:48:38,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 21:48:38,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:48:38,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:48:38,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-27 21:48:38,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 21:48:38,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:48:38,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:48:38,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:48:38,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:48:38,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:48:38,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:48:38,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:48:38,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 21:48:38,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:48:38,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:48:38,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:48:38,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:48:38,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:48:38,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:48:38,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:48:38,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:48:38,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:48:38,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:48:38,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:48:38,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:48:38,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:48:38,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:48:38,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:48:38,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:48:38,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:48:38,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:48:38,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:48:38,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:48:38,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:48:38,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:48:38,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:48:38,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 21:48:38,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:48:38,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:48:38,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:48:38,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:48:38,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:48:38,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:48:38,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:48:38,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:48:38,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:48:38,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:48:38,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:48:38,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 21:48:38,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:48:38,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:48:38,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:48:38,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:48:38,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-27 21:48:38,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 21:48:38,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:48:38,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:48:38,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:48:38,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:48:38,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:48:38,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 21:48:38,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:48:38,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:48:38,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:48:38,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:48:38,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:48:38,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:48:38,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:48:38,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:48:38,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:48:38,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:48:38,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:48:38,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:48:38,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:48:38,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:48:38,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:48:38,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:48:38,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:48:38,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:48:38,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:48:38,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:48:38,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:48:38,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:48:38,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:48:38,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:48:38,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:48:38,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:48:38,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:48:38,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:48:38,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:48:38,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:48:38,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:48:38,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:48:38,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:48:38,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:48:38,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:48:38,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:48:38,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:48:38,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:48:38,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:48:38,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:48:38,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 21:48:38,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 21:48:38,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:48:38,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:48:38,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:48:39,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:48:39,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:48:39,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:48:39,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 139 [2020-10-27 21:48:39,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:48:39,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:48:39,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:48:39,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 21:48:39,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:48:39,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:48:39,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:48:39,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:48:39,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:48:39,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:48:39,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:48:39,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 21:48:39,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:48:39,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:48:39,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:48:39,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 21:48:39,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:48:39,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:48:39,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:48:39,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:48:39,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:48:39,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:48:39,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:48:39,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:48:39,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:48:39,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:48:39,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:48:39,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:48:39,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:48:39,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:48:39,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:48:39,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:48:39,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:48:39,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:48:39,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:48:39,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 21:48:39,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:48:39,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:48:39,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:48:39,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 21:48:39,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:48:39,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-27 21:48:39,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:48:39,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:48:39,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:48:39,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 21:48:39,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:48:39,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 21:48:39,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:48:39,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:48:39,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 21:48:39,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:48:39,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:48:39,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:48:39,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:48:39,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:48:39,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:48:39,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:48:39,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:48:39,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:48:39,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:48:39,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:48:39,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:48:39,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:48:39,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:48:39,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:48:39,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:48:39,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:48:39,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:48:39,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:48:39,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:48:39,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:48:39,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:48:39,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:48:39,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:48:39,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:48:39,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:48:39,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-27 21:48:39,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:48:39,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:48:39,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:48:39,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:48:39,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:48:39,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 21:48:39,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:48:39,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:48:39,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:48:39,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:48:39,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:48:39,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-27 21:48:39,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:48:39,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:48:39,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:48:39,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:48:39,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:48:39,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:48:39,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:48:39,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:48:39,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:48:39,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:48:39,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:48:39,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-27 21:48:39,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:48:39,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:48:39,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:48:39,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:48:39,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:48:39,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:48:39,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:48:39,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:48:39,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 21:48:39,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:48:39,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:48:39,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-27 21:48:39,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:48:39,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:48:39,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:48:39,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:48:39,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:48:39,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:48:39,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:48:39,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:48:39,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:48:39,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:48:39,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 21:48:39,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-27 21:48:39,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:48:39,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:48:39,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:48:39,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:48:39,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:48:39,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:48:39,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:48:39,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:48:39,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:48:39,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:48:39,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:48:39,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-27 21:48:39,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:48:39,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:48:39,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:48:39,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:48:39,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:48:39,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:48:39,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:48:39,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:48:39,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:48:39,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:48:39,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:48:39,464 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 21:48:39,465 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2089204966] [2020-10-27 21:48:39,467 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:48:39,467 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-10-27 21:48:39,468 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840678979] [2020-10-27 21:48:39,474 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-27 21:48:39,475 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:48:39,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-27 21:48:39,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2020-10-27 21:48:39,496 INFO L87 Difference]: Start difference. First operand 577 states. Second operand 15 states. [2020-10-27 21:48:43,670 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 589 [2020-10-27 21:48:46,299 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 588 [2020-10-27 21:48:48,071 WARN L193 SmtUtils]: Spent 1.73 s on a formula simplification that was a NOOP. DAG size: 591 [2020-10-27 21:48:50,289 WARN L193 SmtUtils]: Spent 1.77 s on a formula simplification that was a NOOP. DAG size: 591 [2020-10-27 21:49:08,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:49:08,562 INFO L93 Difference]: Finished difference Result 1450 states and 2171 transitions. [2020-10-27 21:49:08,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-10-27 21:49:08,565 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 155 [2020-10-27 21:49:08,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:49:08,591 INFO L225 Difference]: With dead ends: 1450 [2020-10-27 21:49:08,591 INFO L226 Difference]: Without dead ends: 866 [2020-10-27 21:49:08,603 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 652 ImplicationChecksByTransitivity, 10.3s TimeCoverageRelationStatistics Valid=534, Invalid=1916, Unknown=0, NotChecked=0, Total=2450 [2020-10-27 21:49:08,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 866 states. [2020-10-27 21:49:09,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 866 to 559. [2020-10-27 21:49:09,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 559 states. [2020-10-27 21:49:09,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 559 states and 762 transitions. [2020-10-27 21:49:09,057 INFO L78 Accepts]: Start accepts. Automaton has 559 states and 762 transitions. Word has length 155 [2020-10-27 21:49:09,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:49:09,058 INFO L481 AbstractCegarLoop]: Abstraction has 559 states and 762 transitions. [2020-10-27 21:49:09,058 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-27 21:49:09,058 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 762 transitions. [2020-10-27 21:49:09,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-10-27 21:49:09,065 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:49:09,065 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] [2020-10-27 21:49:09,066 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 21:49:09,066 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 21:49:09,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:49:09,067 INFO L82 PathProgramCache]: Analyzing trace with hash -601450600, now seen corresponding path program 1 times [2020-10-27 21:49:09,067 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:49:09,067 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [949460820] [2020-10-27 21:49:09,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:49:09,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:49:09,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:09,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:09,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:09,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:09,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:10,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:10,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:14,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:49:14,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 233 [2020-10-27 21:49:14,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 21:49:14,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5050 [2020-10-27 21:49:14,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:49:14,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:49:14,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 121 [2020-10-27 21:49:14,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 21:49:14,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:49:16,039 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification that was a NOOP. DAG size: 586 [2020-10-27 21:49:16,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:49:16,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:49:16,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:16,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:49:16,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:49:16,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:49:16,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-27 21:49:16,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:49:16,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:49:16,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:49:16,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:49:16,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:49:16,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:49:16,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:49:16,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:16,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:49:16,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:49:16,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:49:16,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:49:16,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:49:16,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:49:16,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:49:16,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:49:16,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:49:16,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:49:16,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:49:16,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:16,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:49:16,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:49:16,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:49:16,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:49:16,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:49:16,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:49:16,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:49:16,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:49:16,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:49:16,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:49:16,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:49:16,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:16,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:49:16,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:49:16,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:49:16,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:49:16,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:49:16,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:49:16,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:49:16,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:49:16,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:49:16,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:49:16,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:49:16,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:16,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:16,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:16,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:17,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:17,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:17,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:21,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:49:21,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-27 21:49:21,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 21:49:21,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 21:49:21,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:49:21,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:49:21,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-27 21:49:21,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 21:49:21,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:49:21,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:49:21,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:49:21,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:21,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:49:21,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:49:21,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:49:21,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:49:21,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:49:21,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:49:21,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:49:21,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:49:21,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:49:21,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:49:21,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:49:21,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:21,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:49:21,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:49:21,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:49:21,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:49:21,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:49:21,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:49:21,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:49:21,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:49:21,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:49:21,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:49:21,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:49:21,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:21,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:49:21,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:49:21,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:49:21,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:49:21,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:49:21,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:49:21,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:49:21,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:49:21,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:49:21,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:49:21,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:49:21,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:21,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:49:21,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:49:21,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:49:21,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:49:21,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:49:21,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:49:21,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:49:21,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:49:21,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:49:21,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 21:49:21,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:49:21,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:21,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:49:21,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:49:21,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:49:21,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:49:21,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:49:21,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:49:21,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:49:21,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:49:21,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:49:21,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:49:21,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:49:21,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:21,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:49:21,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:49:21,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:49:21,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:49:21,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:49:21,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:49:21,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:49:21,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:49:21,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:49:21,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:49:21,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:49:21,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:21,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:49:21,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:49:21,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:49:21,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:49:21,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:49:21,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:49:21,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:49:21,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:49:21,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:49:21,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:49:21,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:49:21,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:21,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:49:21,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:49:21,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:49:21,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:49:21,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:49:21,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:49:21,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:49:21,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:49:21,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:49:21,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 21:49:21,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:49:21,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:21,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:21,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:49:21,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-27 21:49:21,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:49:21,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-27 21:49:21,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:49:21,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:49:21,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 21:49:21,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 21:49:21,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:49:21,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:49:21,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:49:21,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:21,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:49:21,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:49:21,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:49:21,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 21:49:21,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:49:21,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:49:21,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:49:21,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 21:49:21,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 21:49:21,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:49:21,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:49:21,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:21,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:49:21,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:49:21,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:49:21,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 21:49:21,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:49:21,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:49:21,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:49:21,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 21:49:21,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:49:21,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:49:21,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:49:21,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:21,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:21,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:49:21,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:49:21,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:49:21,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 21:49:21,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:49:21,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 21:49:21,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:49:21,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 21:49:21,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:49:21,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-27 21:49:21,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:49:21,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:21,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:49:21,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 21:49:21,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:49:21,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 21:49:21,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:49:21,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:49:21,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 21:49:21,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:49:21,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 21:49:21,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:49:21,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:49:21,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:21,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:49:21,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:49:21,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:49:21,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:49:21,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:49:21,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:49:21,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:49:21,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:49:21,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 21:49:21,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:49:21,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:49:21,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:21,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:49:21,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:49:21,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:49:21,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:49:21,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:49:21,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:49:21,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:49:21,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:49:21,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:49:21,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-27 21:49:21,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:49:21,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:21,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:49:21,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:49:21,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:49:21,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:49:21,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:49:21,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:49:21,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:49:21,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:49:21,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:49:21,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-27 21:49:21,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:49:21,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:21,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:49:21,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:49:21,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:49:21,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:49:21,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:49:21,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:49:21,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:49:21,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:49:21,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:49:21,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-27 21:49:21,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:49:21,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:21,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:49:21,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:49:21,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:49:21,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:49:21,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:49:21,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:49:21,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 21:49:21,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:49:21,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:49:21,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-27 21:49:21,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:49:21,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:21,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:49:21,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:49:21,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:49:21,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:49:21,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:49:21,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:49:21,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:49:21,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:49:21,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:49:21,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-27 21:49:21,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:49:21,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:21,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:49:21,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:49:21,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:49:21,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:49:21,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:49:21,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:49:21,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:49:21,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:49:21,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:49:21,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-27 21:49:21,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:49:21,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:21,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:49:21,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:49:21,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:49:21,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:49:21,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:49:21,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:49:21,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:49:21,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:49:21,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:49:21,938 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 21:49:21,939 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [949460820] [2020-10-27 21:49:21,939 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:49:21,939 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-10-27 21:49:21,939 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900663790] [2020-10-27 21:49:21,941 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-27 21:49:21,941 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:49:21,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-27 21:49:21,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2020-10-27 21:49:21,942 INFO L87 Difference]: Start difference. First operand 559 states and 762 transitions. Second operand 18 states. [2020-10-27 21:49:26,121 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification that was a NOOP. DAG size: 590 [2020-10-27 21:49:28,204 WARN L193 SmtUtils]: Spent 1.62 s on a formula simplification that was a NOOP. DAG size: 589 [2020-10-27 21:49:30,923 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification that was a NOOP. DAG size: 590 [2020-10-27 21:49:33,264 WARN L193 SmtUtils]: Spent 1.73 s on a formula simplification that was a NOOP. DAG size: 589 [2020-10-27 21:49:51,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:49:51,811 INFO L93 Difference]: Finished difference Result 1373 states and 2012 transitions. [2020-10-27 21:49:51,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-27 21:49:51,812 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 157 [2020-10-27 21:49:51,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:49:51,821 INFO L225 Difference]: With dead ends: 1373 [2020-10-27 21:49:51,821 INFO L226 Difference]: Without dead ends: 882 [2020-10-27 21:49:51,824 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 192 ImplicationChecksByTransitivity, 9.4s TimeCoverageRelationStatistics Valid=243, Invalid=1017, Unknown=0, NotChecked=0, Total=1260 [2020-10-27 21:49:51,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 882 states. [2020-10-27 21:49:52,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 882 to 568. [2020-10-27 21:49:52,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 568 states. [2020-10-27 21:49:52,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 568 states and 774 transitions. [2020-10-27 21:49:52,123 INFO L78 Accepts]: Start accepts. Automaton has 568 states and 774 transitions. Word has length 157 [2020-10-27 21:49:52,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:49:52,124 INFO L481 AbstractCegarLoop]: Abstraction has 568 states and 774 transitions. [2020-10-27 21:49:52,124 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-27 21:49:52,124 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 774 transitions. [2020-10-27 21:49:52,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-10-27 21:49:52,128 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:49:52,128 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 21:49:52,129 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 21:49:52,129 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 21:49:52,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:49:52,130 INFO L82 PathProgramCache]: Analyzing trace with hash -1572685318, now seen corresponding path program 1 times [2020-10-27 21:49:52,130 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:49:52,130 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [441300181] [2020-10-27 21:49:52,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:49:52,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:49:52,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:52,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:52,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:52,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:52,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:53,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:54,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:57,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:49:57,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 240 [2020-10-27 21:49:57,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 21:49:57,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 21:49:57,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:49:57,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:49:57,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 122 [2020-10-27 21:49:57,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 21:49:57,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:49:58,858 WARN L193 SmtUtils]: Spent 1.58 s on a formula simplification that was a NOOP. DAG size: 586 [2020-10-27 21:49:58,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:49:58,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:49:58,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:58,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:49:58,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:49:58,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:49:58,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-27 21:49:58,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:49:58,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:49:58,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:49:58,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:49:58,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:49:58,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:49:58,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:49:58,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:58,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:49:58,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:49:58,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:49:58,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:49:58,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:49:58,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:49:58,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:49:58,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:49:58,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:49:58,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:49:58,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:49:58,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:58,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:49:58,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:49:58,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:49:58,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:49:58,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:49:58,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:49:58,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:49:58,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:49:58,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:49:58,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:49:58,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:49:58,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:58,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:49:58,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:49:58,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:49:58,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:49:58,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:49:58,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:49:58,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:49:58,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:49:58,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:49:59,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:49:59,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:49:59,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:59,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:59,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:49:59,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:00,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:00,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:04,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:50:04,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-27 21:50:04,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 21:50:04,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-27 21:50:04,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:50:04,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:50:04,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-27 21:50:04,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 21:50:04,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:50:04,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:50:04,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:50:04,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:04,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:50:04,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:50:04,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:50:04,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:50:04,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:50:04,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:50:04,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:50:04,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:50:04,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:50:04,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:50:04,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:50:04,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:04,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:50:04,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:50:04,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:50:04,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:50:04,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:50:04,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:50:04,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:50:04,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:50:04,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:50:04,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:50:04,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:50:04,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:04,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:50:04,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:50:04,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:50:04,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:50:04,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:50:04,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:50:04,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:50:04,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:50:04,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:50:04,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:50:04,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:50:04,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:04,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:50:04,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:50:04,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:50:04,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:50:04,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:50:04,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:50:04,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:50:04,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:50:04,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:50:04,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 21:50:04,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:50:04,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:04,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:50:04,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:50:04,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:50:04,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:50:04,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:50:04,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:50:04,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:50:04,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:50:04,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:50:04,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:50:04,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:50:04,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:04,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:50:04,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:50:04,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:50:04,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:50:04,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:50:04,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:50:04,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:50:04,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:50:04,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:50:04,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:50:04,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:50:04,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:04,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:50:04,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:50:04,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:50:04,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:50:04,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:50:04,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:50:04,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:50:04,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:50:04,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:50:04,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:50:04,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:50:04,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:04,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:50:04,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:50:04,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:50:04,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:50:04,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:50:04,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:50:04,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:50:04,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:50:04,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:50:04,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 21:50:04,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:50:04,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:04,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:04,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:50:04,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 21:50:04,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:50:04,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-27 21:50:04,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:50:04,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:50:04,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 21:50:04,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 21:50:04,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:50:04,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:50:04,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:50:04,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:04,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:50:04,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:50:04,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:50:04,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 21:50:04,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:50:04,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:50:04,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:50:04,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 21:50:04,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:50:04,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:50:04,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:50:04,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:04,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:50:04,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:50:04,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:50:04,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 21:50:04,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:50:04,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:50:04,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:50:04,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 21:50:04,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:50:04,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:50:04,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:50:04,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:04,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:04,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:50:04,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 21:50:04,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:50:04,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 21:50:04,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:50:04,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 21:50:04,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:50:04,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 21:50:04,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:50:04,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-27 21:50:04,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:50:04,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:04,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:50:04,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 21:50:04,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:50:04,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 21:50:04,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:50:04,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:50:04,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 21:50:04,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:50:04,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:50:04,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:50:04,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:50:04,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:04,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:50:04,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:50:04,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:50:04,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:50:04,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:50:04,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:50:04,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:50:04,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:50:04,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:50:04,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:50:04,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:50:04,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:04,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:50:04,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:50:04,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:50:04,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:50:04,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:50:04,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:50:04,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:50:04,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:50:04,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:50:04,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-27 21:50:04,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:50:04,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:04,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:50:04,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:50:04,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:50:04,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:50:04,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:50:04,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:50:04,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:50:04,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:50:04,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:50:04,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-27 21:50:04,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:50:04,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:04,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:50:04,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:50:04,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:50:04,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:50:04,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:50:04,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:50:04,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:50:04,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:50:04,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:50:04,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-27 21:50:04,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:50:04,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:04,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:50:04,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:50:04,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:50:04,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:50:04,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:50:04,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:50:04,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 21:50:04,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:50:04,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:50:04,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-27 21:50:04,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:50:04,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:04,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:50:04,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:50:04,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:50:04,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:50:04,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:50:04,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:50:04,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:50:04,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:50:04,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:50:04,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-27 21:50:04,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:50:04,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:04,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:50:04,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:50:04,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:50:04,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:50:04,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:50:04,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:50:04,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:50:04,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:50:04,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:50:04,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-27 21:50:04,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:50:04,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:04,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:50:04,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:50:04,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:50:04,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:50:04,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:50:04,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:50:04,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:50:04,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:50:04,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:50:04,755 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 21:50:04,755 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [441300181] [2020-10-27 21:50:04,756 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:50:04,756 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-10-27 21:50:04,756 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341050014] [2020-10-27 21:50:04,757 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-27 21:50:04,757 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:50:04,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-27 21:50:04,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2020-10-27 21:50:04,758 INFO L87 Difference]: Start difference. First operand 568 states and 774 transitions. Second operand 18 states. [2020-10-27 21:50:10,114 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification that was a NOOP. DAG size: 589 [2020-10-27 21:50:12,289 WARN L193 SmtUtils]: Spent 1.73 s on a formula simplification that was a NOOP. DAG size: 596 [2020-10-27 21:50:14,194 WARN L193 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 600 [2020-10-27 21:50:16,792 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification that was a NOOP. DAG size: 589 [2020-10-27 21:50:19,575 WARN L193 SmtUtils]: Spent 1.72 s on a formula simplification that was a NOOP. DAG size: 589 [2020-10-27 21:50:39,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:50:39,923 INFO L93 Difference]: Finished difference Result 1501 states and 2253 transitions. [2020-10-27 21:50:39,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-27 21:50:39,924 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 164 [2020-10-27 21:50:39,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:50:39,933 INFO L225 Difference]: With dead ends: 1501 [2020-10-27 21:50:39,934 INFO L226 Difference]: Without dead ends: 1001 [2020-10-27 21:50:39,936 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 228 ImplicationChecksByTransitivity, 11.3s TimeCoverageRelationStatistics Valid=284, Invalid=1122, Unknown=0, NotChecked=0, Total=1406 [2020-10-27 21:50:39,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1001 states. [2020-10-27 21:50:40,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1001 to 603. [2020-10-27 21:50:40,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 603 states. [2020-10-27 21:50:40,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 603 states and 835 transitions. [2020-10-27 21:50:40,203 INFO L78 Accepts]: Start accepts. Automaton has 603 states and 835 transitions. Word has length 164 [2020-10-27 21:50:40,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:50:40,204 INFO L481 AbstractCegarLoop]: Abstraction has 603 states and 835 transitions. [2020-10-27 21:50:40,204 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-27 21:50:40,204 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 835 transitions. [2020-10-27 21:50:40,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-10-27 21:50:40,208 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:50:40,209 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] [2020-10-27 21:50:40,209 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 21:50:40,209 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 21:50:40,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:50:40,210 INFO L82 PathProgramCache]: Analyzing trace with hash -380526658, now seen corresponding path program 1 times [2020-10-27 21:50:40,210 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:50:40,210 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1199959416] [2020-10-27 21:50:40,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:50:40,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:50:40,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:40,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:40,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:40,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:40,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:45,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:50:45,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 241 [2020-10-27 21:50:45,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 21:50:45,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-10-27 21:50:45,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:50:45,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 21:50:45,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 122 [2020-10-27 21:50:45,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 21:50:45,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:50:47,013 WARN L193 SmtUtils]: Spent 1.62 s on a formula simplification that was a NOOP. DAG size: 586 [2020-10-27 21:50:47,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:50:47,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:50:47,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:47,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:50:47,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:50:47,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:50:47,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-27 21:50:47,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:50:47,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:50:47,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:50:47,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:50:47,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:50:47,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:50:47,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:50:47,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:47,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:50:47,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:50:47,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:50:47,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:50:47,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:50:47,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:50:47,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:50:47,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:50:47,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:50:47,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:50:47,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:50:47,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:47,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:50:47,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:50:47,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:50:47,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:50:47,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:50:47,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:50:47,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:50:47,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:50:47,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:50:47,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:50:47,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:50:47,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:47,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:50:47,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:50:47,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:50:47,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:50:47,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:50:47,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:50:47,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:50:47,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:50:47,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:50:47,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:50:47,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:50:47,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:47,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:47,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:47,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:48,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:52,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:50:52,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-27 21:50:52,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 21:50:52,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 21:50:52,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:50:52,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:50:52,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 56 [2020-10-27 21:50:52,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 21:50:52,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:50:52,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:50:52,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:50:52,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:52,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:50:52,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:50:52,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:50:52,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:50:52,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:50:52,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:50:52,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:50:52,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:50:52,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:50:52,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:50:52,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:50:52,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:52,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:50:52,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:50:52,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:50:52,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:50:52,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:50:52,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:50:52,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:50:52,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:50:52,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:50:52,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:50:52,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:50:52,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:52,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:50:52,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:50:52,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:50:52,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:50:52,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:50:52,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:50:52,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:50:52,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:50:52,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:50:52,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:50:52,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:50:52,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:52,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:50:52,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:50:52,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:50:52,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:50:52,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:50:52,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:50:52,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:50:52,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:50:52,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:50:52,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 21:50:52,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:50:52,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:52,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:50:52,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:50:52,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:50:52,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:50:52,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:50:52,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:50:52,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:50:52,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:50:52,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:50:52,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:50:52,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:50:52,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:52,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:50:52,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:50:52,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:50:52,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:50:52,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:50:52,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:50:52,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:50:52,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:50:52,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:50:52,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:50:52,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:50:52,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:52,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:50:52,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:50:52,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:50:52,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:50:52,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:50:52,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:50:52,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:50:52,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:50:52,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:50:52,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:50:52,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:50:52,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:52,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:50:52,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:50:52,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:50:52,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:50:52,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:50:52,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:50:52,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:50:52,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:50:52,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:50:52,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 21:50:52,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:50:52,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:52,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:52,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:50:52,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-27 21:50:52,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:50:52,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 74 [2020-10-27 21:50:52,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:50:52,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:50:52,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:50:52,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-27 21:50:52,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:50:52,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:50:52,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:50:52,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:52,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:50:52,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 21:50:52,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:50:52,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 21:50:52,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:50:52,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:50:52,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:50:52,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 21:50:52,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:50:52,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:50:52,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:50:52,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:52,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:50:52,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:50:52,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:50:52,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:50:52,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:50:52,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:50:52,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:50:52,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:50:52,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:50:52,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 21:50:52,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:50:52,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:52,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:50:52,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:50:52,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:50:52,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 21:50:52,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:50:52,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:50:52,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:50:52,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 21:50:52,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:50:52,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-27 21:50:52,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:50:52,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:52,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:50:52,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 21:50:52,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:50:52,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:50:52,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:50:52,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:50:52,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 21:50:52,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:50:52,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:50:52,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:50:52,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:50:52,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:52,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:50:52,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:50:52,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:50:52,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:50:52,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:50:52,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:50:52,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:50:52,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:50:52,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:50:52,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:50:52,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:50:52,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:52,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:50:52,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:50:52,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:50:52,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:50:52,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:50:52,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:50:52,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:50:52,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:50:52,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:50:52,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-27 21:50:52,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:50:52,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:52,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:50:52,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:50:52,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:50:52,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:50:52,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:50:52,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:50:52,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:50:52,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:50:52,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:50:52,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-27 21:50:52,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:50:52,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:52,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:50:52,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:50:52,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:50:52,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:50:52,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:50:52,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:50:52,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:50:52,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:50:52,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:50:52,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-27 21:50:52,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:50:52,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:52,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:50:52,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:50:52,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:50:52,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:50:52,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:50:52,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:50:52,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 21:50:52,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:50:52,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:50:52,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-27 21:50:52,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:50:52,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:52,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:50:52,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:50:52,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:50:52,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:50:52,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:50:52,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:50:52,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:50:52,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:50:52,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:50:52,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-27 21:50:52,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:50:52,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:52,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:50:52,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:50:52,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:50:52,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:50:52,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:50:52,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:50:52,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:50:52,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:50:52,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:50:52,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-27 21:50:52,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:50:52,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:50:52,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:50:52,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:50:52,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:50:52,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:50:52,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:50:52,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:50:52,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:50:52,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:50:52,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:50:52,729 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-10-27 21:50:52,729 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1199959416] [2020-10-27 21:50:52,729 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 21:50:52,729 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-27 21:50:52,730 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111914283] [2020-10-27 21:50:52,730 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-27 21:50:52,730 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:50:52,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-27 21:50:52,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=226, Unknown=0, NotChecked=0, Total=272 [2020-10-27 21:50:52,731 INFO L87 Difference]: Start difference. First operand 603 states and 835 transitions. Second operand 17 states. [2020-10-27 21:50:57,200 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 590 [2020-10-27 21:51:00,182 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 588 [2020-10-27 21:51:01,917 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 591 [2020-10-27 21:51:04,064 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification that was a NOOP. DAG size: 592 [2020-10-27 21:51:06,339 WARN L193 SmtUtils]: Spent 1.73 s on a formula simplification that was a NOOP. DAG size: 591 [2020-10-27 21:51:08,215 WARN L193 SmtUtils]: Spent 1.79 s on a formula simplification that was a NOOP. DAG size: 591 [2020-10-27 21:51:30,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:51:30,369 INFO L93 Difference]: Finished difference Result 1602 states and 2425 transitions. [2020-10-27 21:51:30,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-10-27 21:51:30,371 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 165 [2020-10-27 21:51:30,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:51:30,379 INFO L225 Difference]: With dead ends: 1602 [2020-10-27 21:51:30,380 INFO L226 Difference]: Without dead ends: 1065 [2020-10-27 21:51:30,383 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 385 ImplicationChecksByTransitivity, 13.4s TimeCoverageRelationStatistics Valid=436, Invalid=1544, Unknown=0, NotChecked=0, Total=1980 [2020-10-27 21:51:30,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1065 states. [2020-10-27 21:51:30,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1065 to 650. [2020-10-27 21:51:30,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 650 states. [2020-10-27 21:51:30,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 913 transitions. [2020-10-27 21:51:30,680 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 913 transitions. Word has length 165 [2020-10-27 21:51:30,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:51:30,681 INFO L481 AbstractCegarLoop]: Abstraction has 650 states and 913 transitions. [2020-10-27 21:51:30,681 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-27 21:51:30,681 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 913 transitions. [2020-10-27 21:51:30,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-10-27 21:51:30,686 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:51:30,686 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 21:51:30,686 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 21:51:30,687 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 21:51:30,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:51:30,687 INFO L82 PathProgramCache]: Analyzing trace with hash 1830819431, now seen corresponding path program 1 times [2020-10-27 21:51:30,687 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:51:30,688 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [428074513] [2020-10-27 21:51:30,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:51:30,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:51:30,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:30,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:30,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:30,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:31,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:31,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:32,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:32,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:32,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:32,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:32,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:32,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:32,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:32,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:35,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:51:35,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 248 [2020-10-27 21:51:35,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-27 21:51:35,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-27 21:51:35,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:51:35,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:51:35,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 123 [2020-10-27 21:51:35,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 21:51:35,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:51:37,652 WARN L193 SmtUtils]: Spent 1.81 s on a formula simplification that was a NOOP. DAG size: 586 [2020-10-27 21:51:37,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:51:37,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:51:37,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:37,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:51:37,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:51:37,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:51:37,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-27 21:51:37,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:51:37,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:51:37,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:51:37,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:51:37,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:51:37,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:51:37,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:51:37,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:37,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:51:37,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:51:37,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:51:37,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:51:37,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:51:37,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:51:37,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:51:37,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:51:37,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:51:37,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:51:37,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:51:37,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:37,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:51:37,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:51:37,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:51:37,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:51:37,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:51:37,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:51:37,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:51:37,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:51:37,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:51:37,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:51:37,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:51:37,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:37,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:51:37,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:51:37,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:51:37,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:51:37,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:51:37,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:51:37,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:51:37,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:51:37,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:51:37,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:51:37,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:51:37,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:37,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:37,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:37,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:38,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:38,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:42,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:51:42,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-27 21:51:42,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 21:51:42,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4873 [2020-10-27 21:51:42,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:51:42,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:51:42,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 62 [2020-10-27 21:51:42,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-27 21:51:42,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:51:42,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:51:42,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:51:42,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:42,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:51:42,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:51:42,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:51:42,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:51:42,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:51:42,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:51:42,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:51:42,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:51:42,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:51:42,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:51:42,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:51:42,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:42,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:51:42,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:51:42,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:51:42,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:51:42,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:51:42,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:51:42,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:51:42,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:51:42,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:51:42,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:51:42,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:51:42,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:42,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:51:42,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:51:42,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:51:42,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:51:42,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:51:42,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:51:42,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:51:42,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:51:42,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:51:42,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:51:42,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:51:42,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:42,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:51:42,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:51:42,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:51:42,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:51:42,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:51:42,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:51:42,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:51:42,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:51:42,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:51:42,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-27 21:51:42,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:51:42,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:42,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:51:42,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 21:51:42,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:51:42,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:51:42,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:51:42,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:51:42,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:51:42,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:51:42,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:51:42,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:51:42,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:51:42,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:42,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:51:42,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 21:51:42,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:51:42,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:51:42,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:51:42,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:51:42,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:51:42,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:51:42,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:51:42,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:51:42,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:51:42,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:42,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:51:42,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:51:42,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:51:42,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:51:42,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:51:42,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:51:42,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:51:42,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:51:42,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:51:42,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 21:51:42,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:51:42,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:42,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:51:42,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:51:42,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:51:42,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:51:42,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:51:42,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:51:42,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:51:42,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:51:42,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:51:42,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 21:51:42,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:51:42,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:42,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:42,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:51:42,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-27 21:51:42,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:51:42,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-27 21:51:42,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:51:42,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:51:42,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-27 21:51:42,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-27 21:51:42,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:51:42,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:51:42,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:51:42,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:42,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:51:42,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 21:51:42,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:51:42,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 21:51:42,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:51:42,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 21:51:42,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:51:42,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 21:51:42,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:51:42,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:51:42,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:51:42,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:42,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:51:42,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:51:42,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:51:42,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 21:51:42,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:51:42,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:51:42,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:51:42,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 21:51:42,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:51:42,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 21:51:42,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:51:42,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:42,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:42,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:51:42,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 21:51:42,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:51:42,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 21:51:42,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:51:42,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 21:51:42,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 21:51:42,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 21:51:42,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:51:43,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-27 21:51:43,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:51:43,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:43,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:51:43,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 21:51:43,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:51:43,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:51:43,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:51:43,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:51:43,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-27 21:51:43,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:51:43,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:51:43,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:51:43,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:51:43,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:43,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:51:43,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:51:43,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:51:43,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:51:43,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:51:43,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:51:43,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:51:43,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:51:43,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:51:43,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:51:43,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:51:43,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:43,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:51:43,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:51:43,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:51:43,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:51:43,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:51:43,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:51:43,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:51:43,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:51:43,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:51:43,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-27 21:51:43,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:51:43,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:43,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:51:43,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:51:43,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:51:43,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:51:43,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:51:43,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:51:43,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:51:43,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:51:43,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:51:43,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-27 21:51:43,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:51:43,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:43,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:51:43,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:51:43,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:51:43,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:51:43,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:51:43,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:51:43,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:51:43,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:51:43,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:51:43,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-27 21:51:43,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:51:43,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:43,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:51:43,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 21:51:43,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:51:43,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:51:43,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:51:43,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:51:43,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 21:51:43,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:51:43,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:51:43,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-27 21:51:43,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:51:43,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:43,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:51:43,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:51:43,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:51:43,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:51:43,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:51:43,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:51:43,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:51:43,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:51:43,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:51:43,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-27 21:51:43,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:51:43,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:43,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:51:43,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:51:43,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:51:43,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:51:43,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:51:43,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:51:43,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:51:43,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:51:43,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:51:43,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-10-27 21:51:43,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:51:43,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:51:43,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:51:43,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:51:43,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:51:43,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:51:43,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:51:43,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:51:43,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 21:51:43,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:51:43,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:51:43,245 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 21:51:43,245 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [428074513] [2020-10-27 21:51:43,246 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:51:43,246 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-10-27 21:51:43,246 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660494723] [2020-10-27 21:51:43,246 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-27 21:51:43,247 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:51:43,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-27 21:51:43,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2020-10-27 21:51:43,248 INFO L87 Difference]: Start difference. First operand 650 states and 913 transitions. Second operand 18 states. [2020-10-27 21:51:48,074 WARN L193 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 589 [2020-10-27 21:51:50,410 WARN L193 SmtUtils]: Spent 1.78 s on a formula simplification that was a NOOP. DAG size: 589 [2020-10-27 21:51:53,691 WARN L193 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 589 [2020-10-27 21:51:56,155 WARN L193 SmtUtils]: Spent 1.79 s on a formula simplification that was a NOOP. DAG size: 589