/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/systemc/token_ring.10.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 01:07:34,808 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 01:07:34,810 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 01:07:34,845 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 01:07:34,846 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 01:07:34,848 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 01:07:34,849 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 01:07:34,852 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 01:07:34,854 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 01:07:34,855 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 01:07:34,856 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 01:07:34,858 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 01:07:34,858 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 01:07:34,860 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 01:07:34,861 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 01:07:34,862 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 01:07:34,863 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 01:07:34,865 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 01:07:34,867 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 01:07:34,869 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 01:07:34,874 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 01:07:34,878 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 01:07:34,880 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 01:07:34,881 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 01:07:34,901 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 01:07:34,902 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 01:07:34,902 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 01:07:34,904 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 01:07:34,905 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 01:07:34,906 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 01:07:34,906 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 01:07:34,907 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 01:07:34,908 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 01:07:34,909 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 01:07:34,910 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 01:07:34,911 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 01:07:34,911 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 01:07:34,912 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 01:07:34,912 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 01:07:34,913 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 01:07:34,914 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 01:07:34,915 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-28 01:07:34,945 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 01:07:34,945 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 01:07:34,947 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 01:07:34,947 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 01:07:34,948 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 01:07:34,949 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 01:07:34,949 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 01:07:34,949 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 01:07:34,950 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 01:07:34,950 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 01:07:34,950 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 01:07:34,950 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 01:07:34,951 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 01:07:34,951 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 01:07:34,953 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 01:07:34,953 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 01:07:34,953 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 01:07:34,953 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 01:07:34,954 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 01:07:34,954 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 01:07:34,954 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 01:07:34,954 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 01:07:34,955 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 01:07:34,955 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 01:07:34,955 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 01:07:34,956 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 01:07:34,956 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 01:07:34,956 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 01:07:34,956 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 01:07:34,957 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-28 01:07:35,409 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 01:07:35,436 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 01:07:35,439 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 01:07:35,440 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 01:07:35,441 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 01:07:35,442 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.10.cil-2.c [2020-10-28 01:07:35,529 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/52822a8b2/636e8a05038d4399824db0a8551cfc9a/FLAG236a01a4f [2020-10-28 01:07:36,292 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 01:07:36,293 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/token_ring.10.cil-2.c [2020-10-28 01:07:36,316 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/52822a8b2/636e8a05038d4399824db0a8551cfc9a/FLAG236a01a4f [2020-10-28 01:07:36,586 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/52822a8b2/636e8a05038d4399824db0a8551cfc9a [2020-10-28 01:07:36,589 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 01:07:36,597 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 01:07:36,603 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 01:07:36,603 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 01:07:36,607 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 01:07:36,608 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 01:07:36" (1/1) ... [2020-10-28 01:07:36,613 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ef6a554 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:07:36, skipping insertion in model container [2020-10-28 01:07:36,613 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 01:07:36" (1/1) ... [2020-10-28 01:07:36,622 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 01:07:36,702 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 01:07:37,059 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 01:07:37,073 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 01:07:37,154 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 01:07:37,207 INFO L208 MainTranslator]: Completed translation [2020-10-28 01:07:37,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:07:37 WrapperNode [2020-10-28 01:07:37,208 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 01:07:37,210 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 01:07:37,211 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 01:07:37,211 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 01:07:37,231 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:07:37" (1/1) ... [2020-10-28 01:07:37,233 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:07:37" (1/1) ... [2020-10-28 01:07:37,276 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:07:37" (1/1) ... [2020-10-28 01:07:37,277 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:07:37" (1/1) ... [2020-10-28 01:07:37,314 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:07:37" (1/1) ... [2020-10-28 01:07:37,380 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:07:37" (1/1) ... [2020-10-28 01:07:37,393 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:07:37" (1/1) ... [2020-10-28 01:07:37,403 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 01:07:37,405 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 01:07:37,405 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 01:07:37,405 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 01:07:37,406 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:07:37" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 01:07:37,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 01:07:37,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 01:07:37,498 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 01:07:37,498 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-10-28 01:07:37,498 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-10-28 01:07:37,498 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-10-28 01:07:37,498 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-10-28 01:07:37,498 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2020-10-28 01:07:37,499 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2020-10-28 01:07:37,499 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit5 [2020-10-28 01:07:37,499 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit6 [2020-10-28 01:07:37,499 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit7 [2020-10-28 01:07:37,499 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit8 [2020-10-28 01:07:37,499 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit9 [2020-10-28 01:07:37,499 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit10 [2020-10-28 01:07:37,500 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-10-28 01:07:37,500 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-10-28 01:07:37,500 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-10-28 01:07:37,500 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2020-10-28 01:07:37,500 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2020-10-28 01:07:37,500 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit5_triggered [2020-10-28 01:07:37,501 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit6_triggered [2020-10-28 01:07:37,501 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit7_triggered [2020-10-28 01:07:37,501 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit8_triggered [2020-10-28 01:07:37,501 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit9_triggered [2020-10-28 01:07:37,501 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit10_triggered [2020-10-28 01:07:37,501 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-10-28 01:07:37,501 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-10-28 01:07:37,502 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-10-28 01:07:37,502 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-10-28 01:07:37,502 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-10-28 01:07:37,502 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-10-28 01:07:37,502 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-10-28 01:07:37,502 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-10-28 01:07:37,502 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-10-28 01:07:37,502 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-10-28 01:07:37,503 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-10-28 01:07:37,503 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-10-28 01:07:37,503 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-10-28 01:07:37,503 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 01:07:37,503 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 01:07:37,503 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 01:07:37,504 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 01:07:37,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 01:07:37,504 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-10-28 01:07:37,504 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-10-28 01:07:37,504 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-10-28 01:07:37,504 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-10-28 01:07:37,504 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2020-10-28 01:07:37,504 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2020-10-28 01:07:37,505 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit5_triggered [2020-10-28 01:07:37,505 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit6_triggered [2020-10-28 01:07:37,505 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit7_triggered [2020-10-28 01:07:37,505 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit8_triggered [2020-10-28 01:07:37,505 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit9_triggered [2020-10-28 01:07:37,505 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit10_triggered [2020-10-28 01:07:37,506 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-10-28 01:07:37,506 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 01:07:37,506 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-10-28 01:07:37,506 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-10-28 01:07:37,506 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-10-28 01:07:37,506 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2020-10-28 01:07:37,506 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2020-10-28 01:07:37,507 INFO L130 BoogieDeclarations]: Found specification of procedure transmit5 [2020-10-28 01:07:37,507 INFO L130 BoogieDeclarations]: Found specification of procedure transmit6 [2020-10-28 01:07:37,507 INFO L130 BoogieDeclarations]: Found specification of procedure transmit7 [2020-10-28 01:07:37,507 INFO L130 BoogieDeclarations]: Found specification of procedure transmit8 [2020-10-28 01:07:37,507 INFO L130 BoogieDeclarations]: Found specification of procedure transmit9 [2020-10-28 01:07:37,507 INFO L130 BoogieDeclarations]: Found specification of procedure transmit10 [2020-10-28 01:07:37,507 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-10-28 01:07:37,508 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-10-28 01:07:37,508 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-10-28 01:07:37,508 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-10-28 01:07:37,508 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-10-28 01:07:37,508 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-10-28 01:07:37,508 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-10-28 01:07:37,508 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-10-28 01:07:37,509 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-10-28 01:07:37,509 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-10-28 01:07:37,509 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-10-28 01:07:37,509 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-10-28 01:07:37,509 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 01:07:37,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 01:07:37,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 01:07:37,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 01:07:37,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 01:07:37,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 01:07:37,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 01:07:39,027 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 01:07:39,027 INFO L298 CfgBuilder]: Removed 13 assume(true) statements. [2020-10-28 01:07:39,031 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 01:07:39 BoogieIcfgContainer [2020-10-28 01:07:39,031 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 01:07:39,033 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 01:07:39,034 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 01:07:39,038 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 01:07:39,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 01:07:36" (1/3) ... [2020-10-28 01:07:39,039 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6999f758 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 01:07:39, skipping insertion in model container [2020-10-28 01:07:39,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 01:07:37" (2/3) ... [2020-10-28 01:07:39,040 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6999f758 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 01:07:39, skipping insertion in model container [2020-10-28 01:07:39,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 01:07:39" (3/3) ... [2020-10-28 01:07:39,042 INFO L111 eAbstractionObserver]: Analyzing ICFG token_ring.10.cil-2.c [2020-10-28 01:07:39,055 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 01:07:39,061 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 01:07:39,076 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 01:07:39,114 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 01:07:39,114 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 01:07:39,119 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 01:07:39,119 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 01:07:39,120 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 01:07:39,120 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 01:07:39,120 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 01:07:39,120 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 01:07:39,188 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states. [2020-10-28 01:07:39,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-10-28 01:07:39,209 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:07:39,210 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:07:39,211 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:07:39,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:07:39,218 INFO L82 PathProgramCache]: Analyzing trace with hash 1935305168, now seen corresponding path program 1 times [2020-10-28 01:07:39,228 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:07:39,229 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [734328963] [2020-10-28 01:07:39,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:07:39,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:39,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:39,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:40,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:40,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:40,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:40,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:40,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:41,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:42,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:44,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:44,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 256 [2020-10-28 01:07:44,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-28 01:07:44,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5033 [2020-10-28 01:07:44,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:44,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:07:44,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 112 [2020-10-28 01:07:44,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:07:44,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 01:07:45,311 WARN L193 SmtUtils]: Spent 606.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 01:07:45,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:07:45,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:45,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:45,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:45,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:07:45,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:45,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-28 01:07:45,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:45,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:45,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:45,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:45,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:45,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:07:45,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:45,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:45,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:45,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:07:45,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:45,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:07:45,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:45,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:45,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:45,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:45,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:45,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:07:45,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:45,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:45,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:45,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:07:45,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:45,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:45,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:45,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:45,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:45,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:45,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:45,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:07:45,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:45,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:45,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:45,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 01:07:45,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:45,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 01:07:45,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:45,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:45,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:45,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:45,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:45,640 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-10-28 01:07:45,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 01:07:45,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:45,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:45,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:45,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 01:07:45,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:45,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 01:07:45,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:45,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:45,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:45,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:45,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:45,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-28 01:07:45,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:45,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:45,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:45,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:45,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:50,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:50,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-28 01:07:50,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 01:07:50,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-28 01:07:50,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:50,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:07:50,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-28 01:07:50,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:07:50,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:50,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:07:50,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:50,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:50,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:50,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:50,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:50,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:07:50,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:50,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:50,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:50,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:50,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:50,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:07:50,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:50,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:50,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:50,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:50,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:50,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:50,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:50,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:50,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:50,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:50,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:50,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:07:50,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:50,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:50,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:50,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:50,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:50,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:50,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:50,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:50,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:50,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:50,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:50,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:07:50,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:50,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:50,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:50,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:50,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:50,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:50,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:50,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:50,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:50,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:50,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:50,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:07:50,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:50,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:50,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:50,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:50,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:50,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:07:50,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:50,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:50,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:50,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:50,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:50,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:07:50,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:50,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:50,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:50,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:50,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:50,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:50,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:50,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:50,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:50,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:50,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:50,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 01:07:50,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:50,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:50,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:50,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:50,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:50,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:07:50,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:50,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:50,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:50,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:50,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:50,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 01:07:50,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:50,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:50,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:50,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:50,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:50,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:07:50,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:50,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:50,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:50,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:50,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:50,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 01:07:50,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:50,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:50,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:50,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:50,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:50,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 01:07:50,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:50,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:07:50,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:07:50,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:07:50,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:50,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 01:07:50,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:50,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:50,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:50,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:50,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:50,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:07:50,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:50,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:50,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:07:50,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:50,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:50,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 01:07:50,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:50,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:50,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:50,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:07:50,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:50,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 01:07:50,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:50,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:50,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:07:50,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:50,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:50,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-28 01:07:50,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:50,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:51,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:51,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 01:07:51,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:51,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 01:07:51,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:51,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:51,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-28 01:07:51,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:51,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:07:51,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-28 01:07:51,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:07:51,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:07:51,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:07:51,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:07:51,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:07:51,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:07:51,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:07:51,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:07:51,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:07:51,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:07:51,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:07:51,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 01:07:51,129 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [734328963] [2020-10-28 01:07:51,131 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:07:51,131 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 01:07:51,132 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425388452] [2020-10-28 01:07:51,139 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 01:07:51,140 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:07:51,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 01:07:51,156 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-28 01:07:51,158 INFO L87 Difference]: Start difference. First operand 418 states. Second operand 10 states. [2020-10-28 01:07:51,478 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-28 01:07:51,836 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-28 01:07:52,366 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-10-28 01:07:55,836 WARN L193 SmtUtils]: Spent 688.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 01:07:56,570 WARN L193 SmtUtils]: Spent 685.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 01:07:57,304 WARN L193 SmtUtils]: Spent 661.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 01:07:57,623 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-28 01:07:58,406 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 01:07:58,667 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-28 01:08:08,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:08:08,960 INFO L93 Difference]: Finished difference Result 1081 states and 1780 transitions. [2020-10-28 01:08:08,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-28 01:08:08,962 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 204 [2020-10-28 01:08:08,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:08:08,987 INFO L225 Difference]: With dead ends: 1081 [2020-10-28 01:08:08,987 INFO L226 Difference]: Without dead ends: 680 [2020-10-28 01:08:08,998 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-28 01:08:09,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 680 states. [2020-10-28 01:08:09,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 680 to 411. [2020-10-28 01:08:09,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 411 states. [2020-10-28 01:08:09,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 597 transitions. [2020-10-28 01:08:09,172 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 597 transitions. Word has length 204 [2020-10-28 01:08:09,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:08:09,173 INFO L481 AbstractCegarLoop]: Abstraction has 411 states and 597 transitions. [2020-10-28 01:08:09,173 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 01:08:09,173 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 597 transitions. [2020-10-28 01:08:09,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-10-28 01:08:09,180 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:08:09,180 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:08:09,180 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 01:08:09,180 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:08:09,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:08:09,181 INFO L82 PathProgramCache]: Analyzing trace with hash -1405721970, now seen corresponding path program 1 times [2020-10-28 01:08:09,181 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:08:09,182 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1650648154] [2020-10-28 01:08:09,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:08:09,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:09,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:09,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:09,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:09,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:09,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:09,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:09,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:09,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:10,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:14,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:14,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 256 [2020-10-28 01:08:14,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-28 01:08:14,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-28 01:08:14,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:14,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:08:14,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 112 [2020-10-28 01:08:14,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:08:14,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:14,923 WARN L193 SmtUtils]: Spent 618.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 01:08:14,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:08:14,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:14,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:14,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:14,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:08:14,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:14,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 01:08:14,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:14,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:14,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:14,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:14,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:08:15,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:08:15,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:15,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:15,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:15,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:08:15,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:15,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:08:15,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:15,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:15,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:15,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:15,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:15,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:08:15,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:15,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:15,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:15,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:08:15,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:15,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:08:15,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:15,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:15,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:15,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:15,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 01:08:15,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:08:15,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:15,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:15,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:15,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 01:08:15,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:15,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 01:08:15,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:15,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:15,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:15,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:15,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:15,254 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-10-28 01:08:15,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 01:08:15,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:15,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:15,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:15,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 01:08:15,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:15,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 01:08:15,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:15,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:15,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:15,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:15,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:15,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-28 01:08:15,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:15,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:15,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:15,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:17,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:17,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-28 01:08:17,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 01:08:17,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1735 [2020-10-28 01:08:17,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:17,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:08:17,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-28 01:08:17,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:08:17,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:17,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:08:17,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:17,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:17,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:17,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:17,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:17,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:08:17,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:17,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:17,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:17,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:17,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:17,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:08:17,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:17,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:17,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:17,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:17,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:17,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:17,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:17,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:17,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:17,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:17,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:17,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:08:17,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:17,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:17,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:17,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:17,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:17,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:17,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:17,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:17,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:17,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:17,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:17,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:08:17,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:17,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:17,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:17,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:17,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:17,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 01:08:17,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:17,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:08:17,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:17,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:08:17,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:08:17,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:08:17,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:17,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:17,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:17,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:17,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:17,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:08:17,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:17,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:17,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:08:17,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:17,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:08:17,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:08:17,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:17,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:17,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:17,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:17,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:17,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:08:17,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:17,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:17,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:08:17,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:17,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:08:17,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 01:08:17,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:17,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:17,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:17,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:17,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:17,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:08:17,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:17,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:17,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:08:17,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:17,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:17,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 01:08:17,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:17,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:17,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:17,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:17,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:17,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:08:17,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:17,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:17,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:08:17,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:17,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:17,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 01:08:17,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:17,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:17,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:17,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:17,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:17,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:17,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:17,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:17,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:08:17,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:17,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:17,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 01:08:17,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:17,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:17,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:17,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:17,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:17,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:08:17,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:17,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:17,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:08:17,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:17,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:08:17,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 01:08:17,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:17,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:17,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:17,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:17,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:17,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:08:17,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:17,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:17,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:08:17,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:17,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:08:17,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-28 01:08:17,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:17,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:17,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:17,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 01:08:17,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:17,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 01:08:17,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:17,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:17,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-28 01:08:17,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:17,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 01:08:17,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-28 01:08:17,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:17,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:17,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:17,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:08:17,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:17,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:17,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:17,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:17,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:08:17,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:17,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:17,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 01:08:17,524 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1650648154] [2020-10-28 01:08:17,525 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:08:17,525 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 01:08:17,525 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280994629] [2020-10-28 01:08:17,530 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 01:08:17,530 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:08:17,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 01:08:17,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-28 01:08:17,533 INFO L87 Difference]: Start difference. First operand 411 states and 597 transitions. Second operand 10 states. [2020-10-28 01:08:17,888 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-28 01:08:18,226 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-28 01:08:18,628 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-10-28 01:08:20,883 WARN L193 SmtUtils]: Spent 660.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 01:08:21,611 WARN L193 SmtUtils]: Spent 682.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-28 01:08:21,896 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-28 01:08:22,640 WARN L193 SmtUtils]: Spent 693.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 01:08:22,965 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-28 01:08:23,639 WARN L193 SmtUtils]: Spent 650.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 01:08:35,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:08:35,160 INFO L93 Difference]: Finished difference Result 1086 states and 1694 transitions. [2020-10-28 01:08:35,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 01:08:35,162 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 204 [2020-10-28 01:08:35,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:08:35,171 INFO L225 Difference]: With dead ends: 1086 [2020-10-28 01:08:35,171 INFO L226 Difference]: Without dead ends: 704 [2020-10-28 01:08:35,177 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-28 01:08:35,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 704 states. [2020-10-28 01:08:35,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 704 to 416. [2020-10-28 01:08:35,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 416 states. [2020-10-28 01:08:35,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 602 transitions. [2020-10-28 01:08:35,287 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 602 transitions. Word has length 204 [2020-10-28 01:08:35,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:08:35,288 INFO L481 AbstractCegarLoop]: Abstraction has 416 states and 602 transitions. [2020-10-28 01:08:35,288 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 01:08:35,288 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 602 transitions. [2020-10-28 01:08:35,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-10-28 01:08:35,292 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:08:35,292 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:08:35,293 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 01:08:35,293 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:08:35,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:08:35,293 INFO L82 PathProgramCache]: Analyzing trace with hash 321422992, now seen corresponding path program 1 times [2020-10-28 01:08:35,294 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:08:35,294 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1637553329] [2020-10-28 01:08:35,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:08:35,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:35,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:35,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:35,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:35,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:35,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:35,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:35,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:36,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:37,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:40,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:40,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 256 [2020-10-28 01:08:40,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-28 01:08:40,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-28 01:08:40,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:40,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:08:40,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 101 [2020-10-28 01:08:40,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:08:40,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:41,013 WARN L193 SmtUtils]: Spent 620.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 01:08:41,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:08:41,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:41,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:41,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:41,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:08:41,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:41,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 01:08:41,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:41,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:41,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:41,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:41,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:41,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:08:41,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:41,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:41,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:41,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:08:41,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:41,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:08:41,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:41,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:41,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:41,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:41,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:41,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:08:41,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:41,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:41,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:41,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:08:41,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:41,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:08:41,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:41,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:41,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:41,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:41,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:41,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:08:41,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:41,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:41,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:41,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 01:08:41,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:41,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:08:41,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:41,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:41,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:41,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:41,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:41,295 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-10-28 01:08:41,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 01:08:41,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:41,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:41,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:41,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 01:08:41,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:41,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:08:41,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:41,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:41,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:41,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:41,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:41,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-28 01:08:41,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:41,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:41,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:41,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:41,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-28 01:08:41,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 01:08:41,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 297 [2020-10-28 01:08:41,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:41,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:08:41,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-10-28 01:08:41,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:08:41,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:41,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:08:41,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:41,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:41,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:41,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:41,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:41,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:41,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:41,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:41,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:41,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:41,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:41,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:08:41,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:41,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:41,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:41,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:41,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:41,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:41,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:41,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:41,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:41,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:41,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:41,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:08:41,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:41,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:41,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:41,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:41,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:41,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:08:41,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:41,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:08:41,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:08:41,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:08:41,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:41,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:08:41,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:41,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:41,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:41,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:41,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:41,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:41,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:41,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:41,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:08:41,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:41,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:41,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:08:41,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:41,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:41,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:41,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:41,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:41,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:08:41,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:41,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:41,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:08:41,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:41,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:41,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:08:41,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:41,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:41,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:41,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:41,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:41,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:41,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:41,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:41,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:08:41,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:41,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:41,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 01:08:41,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:41,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:41,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:41,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:41,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:41,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:41,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:41,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:41,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:08:41,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:41,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:41,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 01:08:41,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:41,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:41,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:41,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:41,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:41,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:41,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:41,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:41,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:08:41,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:41,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:41,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 01:08:41,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:41,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:41,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:41,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:41,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:41,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:41,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:41,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:41,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:08:41,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:41,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:41,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 01:08:41,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:41,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:41,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:41,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:41,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:41,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:41,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:41,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:41,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:08:41,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:41,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:41,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 01:08:41,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:41,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:41,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:41,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:08:41,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:41,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:08:41,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:41,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:41,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:08:41,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:41,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:41,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-28 01:08:41,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:41,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:41,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:41,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 01:08:41,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:41,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 01:08:41,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:41,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:41,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-28 01:08:41,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:41,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:41,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-28 01:08:41,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:41,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:41,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:08:41,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:08:41,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:08:41,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:08:41,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:08:41,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:08:41,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:08:41,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:08:41,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:08:41,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 01:08:41,965 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1637553329] [2020-10-28 01:08:41,965 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:08:41,965 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 01:08:41,965 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881829827] [2020-10-28 01:08:41,966 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 01:08:41,967 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:08:41,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 01:08:41,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-28 01:08:41,967 INFO L87 Difference]: Start difference. First operand 416 states and 602 transitions. Second operand 10 states. [2020-10-28 01:08:42,223 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-28 01:08:42,547 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-28 01:08:42,977 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-10-28 01:08:45,013 WARN L193 SmtUtils]: Spent 652.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 01:08:45,753 WARN L193 SmtUtils]: Spent 682.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-28 01:08:46,462 WARN L193 SmtUtils]: Spent 632.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 01:08:46,732 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-28 01:08:47,459 WARN L193 SmtUtils]: Spent 655.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 01:08:47,716 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-28 01:08:59,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:08:59,099 INFO L93 Difference]: Finished difference Result 1103 states and 1715 transitions. [2020-10-28 01:08:59,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 01:08:59,100 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 204 [2020-10-28 01:08:59,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:08:59,108 INFO L225 Difference]: With dead ends: 1103 [2020-10-28 01:08:59,108 INFO L226 Difference]: Without dead ends: 716 [2020-10-28 01:08:59,111 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-28 01:08:59,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2020-10-28 01:08:59,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 421. [2020-10-28 01:08:59,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2020-10-28 01:08:59,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 607 transitions. [2020-10-28 01:08:59,206 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 607 transitions. Word has length 204 [2020-10-28 01:08:59,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:08:59,207 INFO L481 AbstractCegarLoop]: Abstraction has 421 states and 607 transitions. [2020-10-28 01:08:59,207 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 01:08:59,207 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 607 transitions. [2020-10-28 01:08:59,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-10-28 01:08:59,210 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:08:59,211 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:08:59,211 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 01:08:59,211 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:08:59,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:08:59,212 INFO L82 PathProgramCache]: Analyzing trace with hash -1728985906, now seen corresponding path program 1 times [2020-10-28 01:08:59,212 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:08:59,212 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [878681091] [2020-10-28 01:08:59,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:08:59,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:08:59,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:59,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:59,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:59,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:59,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:59,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:08:59,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:00,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:01,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:01,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:01,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:02,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:02,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:02,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:02,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:02,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:02,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:02,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:02,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:02,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:02,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:02,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:03,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:03,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:03,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:03,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:04,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:04,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:04,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 256 [2020-10-28 01:09:04,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 27 [2020-10-28 01:09:04,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5040 [2020-10-28 01:09:04,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:04,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:09:04,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 90 [2020-10-28 01:09:04,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:09:04,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:04,882 WARN L193 SmtUtils]: Spent 561.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 01:09:04,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:09:04,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:04,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:04,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:04,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:09:04,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:04,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 01:09:04,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:04,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:04,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:04,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:04,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:04,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:09:04,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:04,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:04,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:04,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:09:04,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:04,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:09:04,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:04,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:04,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:04,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:04,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:04,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:09:04,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:04,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:04,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:04,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:09:04,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:04,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:09:04,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:04,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:04,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:04,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:04,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:05,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:09:05,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:05,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:05,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:05,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 01:09:05,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:05,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:09:05,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:05,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:05,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:05,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:05,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:05,190 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-10-28 01:09:05,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 01:09:05,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:05,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:05,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:05,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 01:09:05,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:05,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:09:05,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:05,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:05,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:05,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:05,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:05,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-28 01:09:05,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:05,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:05,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:05,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-28 01:09:05,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:05,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-28 01:09:05,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:05,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 01:09:05,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-28 01:09:05,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 01:09:05,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:05,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:09:05,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:05,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:05,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:05,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:05,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:05,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:05,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:05,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:05,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:05,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:05,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:05,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:09:05,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:05,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:05,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:05,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:05,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:05,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:09:05,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:05,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:09:05,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:05,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 01:09:05,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:05,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:09:05,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:05,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:05,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:05,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:05,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:05,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:05,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:05,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:05,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:09:05,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:05,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:05,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:09:05,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:05,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:05,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:05,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:05,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:05,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:05,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:05,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:05,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:09:05,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:05,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:05,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:09:05,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:05,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:05,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:05,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:05,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:05,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:05,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:05,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:05,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:09:05,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:05,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:05,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:09:05,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:05,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:05,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:05,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:05,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:05,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:05,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:05,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:05,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:09:05,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:05,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:05,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 01:09:05,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:05,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:05,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:05,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:05,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:05,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:05,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:05,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:05,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:09:05,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:05,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:05,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 01:09:05,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:05,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:05,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:05,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:05,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:05,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:05,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:05,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:05,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:09:05,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:05,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:05,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 01:09:05,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:05,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:05,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:05,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:05,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:05,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:05,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:05,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:05,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:09:05,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:05,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:05,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 01:09:05,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:05,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:05,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:05,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:05,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:05,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:05,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:05,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:05,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:09:05,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:05,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:05,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 01:09:05,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:05,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:05,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:05,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:05,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:05,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:05,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:05,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:05,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-28 01:09:05,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:05,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:05,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-28 01:09:05,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:05,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:05,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:05,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 01:09:05,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:05,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:09:05,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:05,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:05,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-28 01:09:05,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:05,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:05,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-28 01:09:05,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:05,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:05,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:05,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:09:05,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:05,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:05,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:05,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:05,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:09:05,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:05,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:05,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 01:09:05,519 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [878681091] [2020-10-28 01:09:05,519 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:09:05,520 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-28 01:09:05,520 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325060794] [2020-10-28 01:09:05,520 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 01:09:05,520 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:09:05,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 01:09:05,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-28 01:09:05,521 INFO L87 Difference]: Start difference. First operand 421 states and 607 transitions. Second operand 10 states. [2020-10-28 01:09:05,794 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-28 01:09:06,148 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-28 01:09:06,589 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-10-28 01:09:08,437 WARN L193 SmtUtils]: Spent 674.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 01:09:09,168 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-28 01:09:09,467 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-28 01:09:10,182 WARN L193 SmtUtils]: Spent 665.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 01:09:10,485 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-28 01:09:11,172 WARN L193 SmtUtils]: Spent 661.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 01:09:23,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:09:23,374 INFO L93 Difference]: Finished difference Result 1120 states and 1736 transitions. [2020-10-28 01:09:23,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 01:09:23,375 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 204 [2020-10-28 01:09:23,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:09:23,382 INFO L225 Difference]: With dead ends: 1120 [2020-10-28 01:09:23,383 INFO L226 Difference]: Without dead ends: 728 [2020-10-28 01:09:23,385 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-28 01:09:23,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 728 states. [2020-10-28 01:09:23,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 728 to 426. [2020-10-28 01:09:23,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 426 states. [2020-10-28 01:09:23,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 612 transitions. [2020-10-28 01:09:23,476 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 612 transitions. Word has length 204 [2020-10-28 01:09:23,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:09:23,477 INFO L481 AbstractCegarLoop]: Abstraction has 426 states and 612 transitions. [2020-10-28 01:09:23,477 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 01:09:23,477 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 612 transitions. [2020-10-28 01:09:23,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-10-28 01:09:23,480 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:09:23,480 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:09:23,481 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 01:09:23,481 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:09:23,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:09:23,481 INFO L82 PathProgramCache]: Analyzing trace with hash 2021108816, now seen corresponding path program 1 times [2020-10-28 01:09:23,482 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:09:23,482 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [185617194] [2020-10-28 01:09:23,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:09:23,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:23,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:23,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:23,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:23,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:23,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:23,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:24,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:24,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:24,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:24,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:25,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:25,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:25,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:25,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:25,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:25,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:25,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:25,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:26,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:26,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:26,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:26,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:26,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:26,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:26,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:26,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:26,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:27,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:28,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:28,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 256 [2020-10-28 01:09:28,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 28 [2020-10-28 01:09:28,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-10-28 01:09:28,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:28,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:09:28,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 52 [2020-10-28 01:09:28,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 155 [2020-10-28 01:09:28,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:29,203 WARN L193 SmtUtils]: Spent 625.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 01:09:29,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:09:29,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:29,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:29,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:29,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:09:29,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:29,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 01:09:29,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:29,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:29,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:29,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:29,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:29,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:09:29,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:29,279 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:29,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:29,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:09:29,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:29,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:29,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:29,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:29,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:29,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:29,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:29,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:09:29,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:29,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:29,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:29,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:09:29,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:29,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:09:29,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:29,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:29,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:29,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:29,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:29,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:09:29,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:29,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:29,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:29,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 01:09:29,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:29,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:09:29,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:29,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:29,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:29,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:29,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:29,480 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-10-28 01:09:29,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 01:09:29,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:29,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:29,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:29,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 01:09:29,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:29,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 01:09:29,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:29,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:09:29,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:29,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:09:29,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:29,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-28 01:09:29,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:29,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:29,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:29,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-28 01:09:29,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:29,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 01:09:29,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:29,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:09:29,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:29,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 126 [2020-10-28 01:09:29,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:29,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:09:29,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:29,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:29,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:29,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:29,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:29,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:29,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:29,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:29,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:29,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:29,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:29,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:09:29,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:29,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:29,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:29,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:29,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:29,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:09:29,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:29,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:29,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:29,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:29,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:29,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:09:29,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:29,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:29,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:29,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:29,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:29,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:29,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:29,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:29,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:29,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:29,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:29,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:09:29,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:29,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:29,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:29,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:29,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:29,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:29,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:29,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:29,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:29,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:29,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:29,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:09:29,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:29,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:29,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:29,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:29,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:29,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:09:29,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:29,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:29,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:29,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:29,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:29,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:09:29,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:29,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:29,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:29,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:29,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:29,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:09:29,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:29,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:29,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:29,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:29,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:29,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 01:09:29,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:29,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:29,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:29,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:29,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:29,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:29,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:29,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:29,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:29,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:29,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:29,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 01:09:29,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:29,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:29,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:29,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:29,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:29,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:09:29,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:29,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:29,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:29,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:29,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:29,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 01:09:29,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:29,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:29,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:29,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:29,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:29,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:29,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:29,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:29,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:29,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:29,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:29,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 01:09:29,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:29,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:29,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:29,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:29,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:29,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:29,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:29,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:29,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:29,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:29,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:29,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 01:09:29,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:29,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:29,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:29,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:29,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:29,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:29,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:29,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:29,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:29,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:29,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:29,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-28 01:09:29,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:29,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:29,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:29,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 01:09:29,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:29,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 01:09:29,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:29,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:09:29,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 01:09:29,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-28 01:09:29,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:29,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-28 01:09:29,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:29,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:29,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:29,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:09:29,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:29,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:29,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:29,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:29,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:09:29,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:29,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:29,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 01:09:29,758 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [185617194] [2020-10-28 01:09:29,758 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:09:29,758 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 01:09:29,759 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291367293] [2020-10-28 01:09:29,759 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 01:09:29,759 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:09:29,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 01:09:29,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-28 01:09:29,760 INFO L87 Difference]: Start difference. First operand 426 states and 612 transitions. Second operand 9 states. [2020-10-28 01:09:30,030 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-28 01:09:30,375 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-28 01:09:30,725 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-10-28 01:09:31,010 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-10-28 01:09:32,402 WARN L193 SmtUtils]: Spent 653.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 01:09:32,838 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-28 01:09:35,957 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-10-28 01:09:36,315 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-10-28 01:09:36,472 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2020-10-28 01:09:37,129 WARN L193 SmtUtils]: Spent 635.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 01:09:38,288 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-28 01:09:49,005 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2020-10-28 01:09:52,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:09:52,207 INFO L93 Difference]: Finished difference Result 1931 states and 2916 transitions. [2020-10-28 01:09:52,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-28 01:09:52,208 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 204 [2020-10-28 01:09:52,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:09:52,219 INFO L225 Difference]: With dead ends: 1931 [2020-10-28 01:09:52,219 INFO L226 Difference]: Without dead ends: 1535 [2020-10-28 01:09:52,221 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=178, Invalid=472, Unknown=0, NotChecked=0, Total=650 [2020-10-28 01:09:52,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1535 states. [2020-10-28 01:09:52,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1535 to 1121. [2020-10-28 01:09:52,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1121 states. [2020-10-28 01:09:52,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1121 states to 1121 states and 1651 transitions. [2020-10-28 01:09:52,435 INFO L78 Accepts]: Start accepts. Automaton has 1121 states and 1651 transitions. Word has length 204 [2020-10-28 01:09:52,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:09:52,436 INFO L481 AbstractCegarLoop]: Abstraction has 1121 states and 1651 transitions. [2020-10-28 01:09:52,436 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 01:09:52,436 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 1651 transitions. [2020-10-28 01:09:52,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-10-28 01:09:52,439 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:09:52,439 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:09:52,439 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 01:09:52,439 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:09:52,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:09:52,440 INFO L82 PathProgramCache]: Analyzing trace with hash -902051182, now seen corresponding path program 1 times [2020-10-28 01:09:52,440 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:09:52,440 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [884936884] [2020-10-28 01:09:52,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:09:52,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:52,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:52,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:52,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:52,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:52,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:52,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:52,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:52,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:53,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:54,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:54,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:54,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:54,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:54,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:54,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:54,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:54,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:54,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:54,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:54,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:54,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:54,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:54,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:54,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:54,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:55,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:55,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:56,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:57,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:57,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 256 [2020-10-28 01:09:57,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 28 [2020-10-28 01:09:57,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-10-28 01:09:57,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:57,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:09:57,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-28 01:09:57,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-28 01:09:57,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:58,201 WARN L193 SmtUtils]: Spent 660.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 01:09:58,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:09:58,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:58,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:58,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:58,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:09:58,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:58,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:09:58,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:58,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:58,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:58,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:58,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:58,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:09:58,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:58,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:58,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:58,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:09:58,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:58,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:09:58,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:58,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:09:58,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:58,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 01:09:58,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:58,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:09:58,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:58,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:58,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:58,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:09:58,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:58,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:09:58,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:58,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:09:58,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:58,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 01:09:58,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:58,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:09:58,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:58,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:58,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:58,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 01:09:58,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:58,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:09:58,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:58,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:09:58,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:09:58,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-28 01:09:58,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:58,491 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-10-28 01:09:58,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 01:09:58,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:58,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:58,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:58,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 01:09:58,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:58,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 01:09:58,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:58,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:58,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-28 01:09:58,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:58,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:58,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-28 01:09:58,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:58,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:58,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:58,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-28 01:09:58,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:58,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 01:09:58,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:58,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:58,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-28 01:09:58,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:58,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:58,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:09:58,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:58,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:58,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:58,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:58,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:58,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:09:58,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:58,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:58,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:58,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:58,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:58,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:09:58,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:58,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:58,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:58,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:58,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:58,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:58,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:58,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:58,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:58,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:58,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:58,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:09:58,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:58,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:58,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:58,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:58,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:58,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:58,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:58,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:58,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:58,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:58,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:58,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:09:58,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:58,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:58,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:58,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:58,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:58,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:58,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:58,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:58,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:58,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:58,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:58,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:09:58,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:58,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:58,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:58,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:58,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:58,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:58,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:58,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:58,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:58,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:58,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:58,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:09:58,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:58,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:58,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:58,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:58,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:58,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:58,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:58,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:58,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:58,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:58,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:58,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 01:09:58,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:58,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:58,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:58,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:58,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:58,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:58,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:58,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:58,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:58,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:58,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:58,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 01:09:58,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:58,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:58,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:58,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:58,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:58,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:58,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:58,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:58,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:58,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:58,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:58,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 01:09:58,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:58,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:58,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:58,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:58,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:58,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:58,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:58,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:58,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:58,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:58,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:58,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 01:09:58,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:58,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:58,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:58,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:58,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:58,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:58,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:58,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:58,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:58,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:58,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:58,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 01:09:58,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:58,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:58,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:58,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:09:58,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:58,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:58,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:58,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:58,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:09:58,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:58,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:58,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-28 01:09:58,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:58,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:58,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:58,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 01:09:58,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:58,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 01:09:58,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:58,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:58,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-28 01:09:58,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:58,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:58,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-28 01:09:58,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:09:58,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:09:58,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:09:58,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:09:58,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:09:58,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:09:58,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:09:58,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:09:58,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:09:58,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:09:58,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:09:58,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 01:09:58,689 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [884936884] [2020-10-28 01:09:58,689 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:09:58,689 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 01:09:58,689 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276435624] [2020-10-28 01:09:58,690 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 01:09:58,690 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:09:58,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 01:09:58,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-28 01:09:58,690 INFO L87 Difference]: Start difference. First operand 1121 states and 1651 transitions. Second operand 8 states. [2020-10-28 01:09:59,425 WARN L193 SmtUtils]: Spent 670.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 01:09:59,682 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-28 01:10:00,432 WARN L193 SmtUtils]: Spent 685.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 01:10:00,757 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-28 01:10:01,138 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-10-28 01:10:11,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:10:11,996 INFO L93 Difference]: Finished difference Result 2574 states and 3846 transitions. [2020-10-28 01:10:11,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 01:10:11,999 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 204 [2020-10-28 01:10:11,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:10:12,008 INFO L225 Difference]: With dead ends: 2574 [2020-10-28 01:10:12,008 INFO L226 Difference]: Without dead ends: 1473 [2020-10-28 01:10:12,013 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2020-10-28 01:10:12,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1473 states. [2020-10-28 01:10:12,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1473 to 1121. [2020-10-28 01:10:12,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1121 states. [2020-10-28 01:10:12,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1121 states to 1121 states and 1650 transitions. [2020-10-28 01:10:12,243 INFO L78 Accepts]: Start accepts. Automaton has 1121 states and 1650 transitions. Word has length 204 [2020-10-28 01:10:12,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:10:12,244 INFO L481 AbstractCegarLoop]: Abstraction has 1121 states and 1650 transitions. [2020-10-28 01:10:12,244 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 01:10:12,244 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 1650 transitions. [2020-10-28 01:10:12,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-10-28 01:10:12,247 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:10:12,248 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:10:12,248 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 01:10:12,248 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:10:12,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:10:12,249 INFO L82 PathProgramCache]: Analyzing trace with hash -2059583472, now seen corresponding path program 1 times [2020-10-28 01:10:12,249 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:10:12,249 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1406294817] [2020-10-28 01:10:12,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:10:12,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:12,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:12,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:12,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:12,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:12,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:12,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:12,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:12,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:13,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:13,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:13,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:13,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:13,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:13,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:13,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:13,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:13,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:13,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:13,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:13,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:13,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:13,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:14,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:14,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:14,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:14,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:15,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:17,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:17,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 256 [2020-10-28 01:10:17,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 27 [2020-10-28 01:10:17,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5030 [2020-10-28 01:10:17,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:17,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 01:10:17,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 01:10:17,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-28 01:10:17,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:18,006 WARN L193 SmtUtils]: Spent 639.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 01:10:18,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:10:18,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:18,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:18,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:18,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:10:18,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:18,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 01:10:18,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:18,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:10:18,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:18,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 01:10:18,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:18,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:10:18,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:18,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:18,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:18,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:10:18,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:18,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:10:18,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:18,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:10:18,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:18,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 01:10:18,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:18,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:10:18,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:18,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:18,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:18,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:10:18,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:18,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:10:18,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:18,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:10:18,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:18,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 01:10:18,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:18,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:10:18,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:18,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:18,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:18,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 01:10:18,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:18,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 01:10:18,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:18,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:10:18,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:18,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-28 01:10:18,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:18,326 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-10-28 01:10:18,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 01:10:18,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:18,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:18,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:18,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 01:10:18,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:18,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 01:10:18,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:18,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:10:18,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 01:10:18,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-28 01:10:18,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:18,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-28 01:10:18,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:18,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:18,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:18,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-28 01:10:18,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:18,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 01:10:18,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:18,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:18,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-28 01:10:18,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:18,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:18,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:10:18,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:18,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:18,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:18,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:18,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:18,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:18,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:18,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:18,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:18,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:18,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:18,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:10:18,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:18,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:18,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:18,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:18,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:18,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:18,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:18,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:18,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:18,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:18,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:18,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:10:18,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:18,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:18,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:18,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:18,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:18,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:18,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:18,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:18,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:18,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:18,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:18,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:10:18,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:18,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:18,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:18,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:18,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:18,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:18,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:18,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:18,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:18,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:18,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:18,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:10:18,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:18,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:18,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:18,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:18,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:18,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:18,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:18,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:18,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:18,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:18,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:18,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:10:18,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:18,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:18,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:18,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:18,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:18,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:18,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:18,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:18,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:18,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:18,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:18,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 01:10:18,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:18,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:18,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:18,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:18,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:18,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:18,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:18,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:18,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:18,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:18,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:18,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 01:10:18,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:18,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:18,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:18,480 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:18,480 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:18,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:18,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:18,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:18,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:18,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:18,481 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:18,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 01:10:18,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:18,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:18,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:18,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:18,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:18,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:18,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:18,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:18,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:18,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:18,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:18,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 01:10:18,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:18,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:18,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:18,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:18,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:18,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:18,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:18,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:18,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:18,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:18,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:18,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 01:10:18,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:18,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:18,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:18,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:18,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:18,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:18,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:18,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:18,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:18,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:18,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:18,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-28 01:10:18,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:18,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:18,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:18,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 01:10:18,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:18,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 01:10:18,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:18,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:18,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-28 01:10:18,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:18,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:18,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-28 01:10:18,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:18,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:18,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:18,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:10:18,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:18,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:18,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:18,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:18,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:10:18,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:18,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:18,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 01:10:18,592 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1406294817] [2020-10-28 01:10:18,592 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:10:18,593 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 01:10:18,593 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481256933] [2020-10-28 01:10:18,593 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 01:10:18,594 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:10:18,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 01:10:18,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-28 01:10:18,594 INFO L87 Difference]: Start difference. First operand 1121 states and 1650 transitions. Second operand 9 states. [2020-10-28 01:10:19,336 WARN L193 SmtUtils]: Spent 684.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 01:10:19,594 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-28 01:10:19,957 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-28 01:10:20,322 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-10-28 01:10:25,026 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-10-28 01:10:26,852 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-28 01:10:30,243 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-10-28 01:10:34,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:10:34,181 INFO L93 Difference]: Finished difference Result 2953 states and 4484 transitions. [2020-10-28 01:10:34,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-28 01:10:34,182 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 204 [2020-10-28 01:10:34,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:10:34,193 INFO L225 Difference]: With dead ends: 2953 [2020-10-28 01:10:34,193 INFO L226 Difference]: Without dead ends: 1861 [2020-10-28 01:10:34,199 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2020-10-28 01:10:34,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1861 states. [2020-10-28 01:10:34,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1861 to 1378. [2020-10-28 01:10:34,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1378 states. [2020-10-28 01:10:34,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1378 states to 1378 states and 1955 transitions. [2020-10-28 01:10:34,557 INFO L78 Accepts]: Start accepts. Automaton has 1378 states and 1955 transitions. Word has length 204 [2020-10-28 01:10:34,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:10:34,557 INFO L481 AbstractCegarLoop]: Abstraction has 1378 states and 1955 transitions. [2020-10-28 01:10:34,557 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 01:10:34,557 INFO L276 IsEmpty]: Start isEmpty. Operand 1378 states and 1955 transitions. [2020-10-28 01:10:34,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-10-28 01:10:34,564 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:10:34,564 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:10:34,564 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 01:10:34,565 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:10:34,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:10:34,565 INFO L82 PathProgramCache]: Analyzing trace with hash -728100844, now seen corresponding path program 1 times [2020-10-28 01:10:34,567 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:10:34,567 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1683014134] [2020-10-28 01:10:34,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:10:34,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:34,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:34,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:34,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:34,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:34,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:34,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:34,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:34,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:35,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:35,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:35,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:35,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:35,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:35,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:36,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:36,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:36,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:36,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:36,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:36,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:36,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:36,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:36,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:36,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:36,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:37,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:39,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:39,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 256 [2020-10-28 01:10:39,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 26 [2020-10-28 01:10:39,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-28 01:10:39,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:39,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 01:10:39,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 01:10:39,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-28 01:10:39,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:40,371 WARN L193 SmtUtils]: Spent 703.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 01:10:40,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:10:40,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:40,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:40,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:40,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:10:40,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:40,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 01:10:40,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:40,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:10:40,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:40,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 01:10:40,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:40,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:10:40,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:40,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:40,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:40,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:10:40,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:40,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:10:40,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:40,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:10:40,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:40,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 01:10:40,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:40,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:10:40,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:40,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:40,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:40,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:10:40,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:40,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:10:40,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:40,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:10:40,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:40,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 01:10:40,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:40,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:10:40,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:40,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:40,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:40,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 01:10:40,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:40,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:10:40,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:40,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:10:40,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:40,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-28 01:10:40,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:40,685 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-10-28 01:10:40,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 01:10:40,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:40,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:40,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:40,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 01:10:40,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:40,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 01:10:40,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:40,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:10:40,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 01:10:40,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-28 01:10:40,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:40,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-28 01:10:40,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:40,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:40,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:40,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-28 01:10:40,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:40,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 01:10:40,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:40,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:40,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-28 01:10:40,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:40,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:40,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:10:40,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:40,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:40,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:40,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:40,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:40,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:40,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:40,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:40,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:40,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:40,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:40,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:10:40,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:40,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:40,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:40,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:40,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:40,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:10:40,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:40,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:40,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:40,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:40,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:40,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:10:40,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:40,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:40,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:40,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:40,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:40,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:40,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:40,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:40,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:40,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:40,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:40,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:10:40,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:40,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:40,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:40,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:40,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:40,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:40,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:40,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:40,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:40,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:40,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:40,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:10:40,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:40,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:40,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:40,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:40,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:40,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:40,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:40,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:40,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:40,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:40,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:40,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:10:40,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:40,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:40,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:40,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:40,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:40,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:40,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:40,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:40,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:40,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:40,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:40,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 01:10:40,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:40,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:40,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:40,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:40,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:40,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:40,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:40,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:40,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:40,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:40,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:40,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 01:10:40,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:40,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:40,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:40,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:40,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:40,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:40,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:40,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:40,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:40,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:40,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:40,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 01:10:40,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:40,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:40,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:40,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:40,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:40,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:40,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:40,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:40,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:40,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:40,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:40,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 01:10:40,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:40,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:40,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:40,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:40,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:40,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:40,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:40,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:40,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:40,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:40,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:40,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 01:10:40,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:40,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:40,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:40,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:10:40,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:40,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:40,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:40,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:40,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:10:40,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:40,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:40,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-28 01:10:40,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:40,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:40,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:40,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 01:10:40,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:40,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 01:10:40,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:40,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:40,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-28 01:10:40,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:40,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:40,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-28 01:10:40,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:40,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:40,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:40,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:10:40,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:10:40,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:10:40,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:40,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:10:40,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:10:40,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:10:40,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:10:40,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 01:10:40,926 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1683014134] [2020-10-28 01:10:40,926 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:10:40,926 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-28 01:10:40,926 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649545328] [2020-10-28 01:10:40,927 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-28 01:10:40,927 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:10:40,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-28 01:10:40,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-10-28 01:10:40,928 INFO L87 Difference]: Start difference. First operand 1378 states and 1955 transitions. Second operand 9 states. [2020-10-28 01:10:41,697 WARN L193 SmtUtils]: Spent 687.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 01:10:41,964 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-28 01:10:42,341 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-28 01:10:42,736 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2020-10-28 01:10:53,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:10:53,919 INFO L93 Difference]: Finished difference Result 2584 states and 3766 transitions. [2020-10-28 01:10:53,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 01:10:53,921 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 204 [2020-10-28 01:10:53,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:10:53,932 INFO L225 Difference]: With dead ends: 2584 [2020-10-28 01:10:53,933 INFO L226 Difference]: Without dead ends: 1808 [2020-10-28 01:10:53,936 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-10-28 01:10:53,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1808 states. [2020-10-28 01:10:54,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1808 to 1378. [2020-10-28 01:10:54,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1378 states. [2020-10-28 01:10:54,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1378 states to 1378 states and 1945 transitions. [2020-10-28 01:10:54,295 INFO L78 Accepts]: Start accepts. Automaton has 1378 states and 1945 transitions. Word has length 204 [2020-10-28 01:10:54,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:10:54,295 INFO L481 AbstractCegarLoop]: Abstraction has 1378 states and 1945 transitions. [2020-10-28 01:10:54,295 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-28 01:10:54,295 INFO L276 IsEmpty]: Start isEmpty. Operand 1378 states and 1945 transitions. [2020-10-28 01:10:54,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-10-28 01:10:54,299 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:10:54,300 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:10:54,300 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-28 01:10:54,300 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:10:54,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:10:54,301 INFO L82 PathProgramCache]: Analyzing trace with hash -1991819752, now seen corresponding path program 1 times [2020-10-28 01:10:54,301 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:10:54,302 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [148974388] [2020-10-28 01:10:54,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:10:54,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:10:54,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:54,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:54,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:54,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:54,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:54,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:54,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:54,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:55,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:55,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:55,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:56,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:56,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:56,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:56,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:56,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:56,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:56,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:56,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:56,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:56,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:56,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:56,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:56,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:57,415 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:10:59,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:10:59,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 256 [2020-10-28 01:10:59,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 25 [2020-10-28 01:10:59,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-28 01:10:59,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:10:59,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 01:10:59,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 01:10:59,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-28 01:10:59,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:00,043 WARN L193 SmtUtils]: Spent 649.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 01:11:00,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:11:00,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:00,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:00,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:00,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:11:00,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:00,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-28 01:11:00,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:00,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:11:00,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:11:00,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 01:11:00,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:00,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:11:00,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:00,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:00,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:00,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:11:00,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:00,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:11:00,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:00,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:11:00,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:11:00,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 01:11:00,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:00,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:11:00,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:00,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:00,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:00,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:11:00,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:00,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:11:00,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:00,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:11:00,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:11:00,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 01:11:00,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:00,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:11:00,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:00,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:00,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:00,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 01:11:00,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:00,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 01:11:00,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:00,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:11:00,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:11:00,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-28 01:11:00,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:00,407 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-10-28 01:11:00,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 01:11:00,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:00,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:00,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:00,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 01:11:00,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:00,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 01:11:00,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:00,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 01:11:00,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 01:11:00,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-28 01:11:00,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:00,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-28 01:11:00,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:00,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:00,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:00,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-28 01:11:00,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:00,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 01:11:00,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:00,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:11:00,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 126 [2020-10-28 01:11:00,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:11:00,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:00,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:11:00,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:00,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:00,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:00,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:11:00,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:00,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:11:00,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:00,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:11:00,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:11:00,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:11:00,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:00,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:11:00,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:00,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:00,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:00,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:11:00,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:00,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:11:00,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:00,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:11:00,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:11:00,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:11:00,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:00,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:11:00,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:00,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:00,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:00,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:11:00,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:00,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:11:00,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:00,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:11:00,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:11:00,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:11:00,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:00,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:11:00,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:00,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:00,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:00,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:11:00,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:00,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:11:00,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:00,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:11:00,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:11:00,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:11:00,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:00,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:11:00,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:00,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:00,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:00,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:11:00,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:00,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:11:00,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:00,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:11:00,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:11:00,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:11:00,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:00,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:11:00,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:00,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:00,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:00,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:11:00,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:00,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:11:00,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:00,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:11:00,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:11:00,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:11:00,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:00,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 01:11:00,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:00,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:00,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:00,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:11:00,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:00,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:11:00,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:00,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:11:00,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:11:00,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:11:00,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:00,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 01:11:00,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:00,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:00,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:00,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:11:00,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:00,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:11:00,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:00,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:11:00,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:11:00,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:11:00,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:00,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 01:11:00,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:00,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:00,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:00,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:11:00,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:00,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:11:00,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:00,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:11:00,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:11:00,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:11:00,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:00,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 01:11:00,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:00,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:00,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:00,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:11:00,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:00,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:11:00,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:00,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:11:00,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:11:00,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:11:00,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:00,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 01:11:00,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:00,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:00,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:00,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:11:00,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:00,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:11:00,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:00,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:11:00,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:11:00,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:11:00,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:00,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-28 01:11:00,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:00,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:00,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:00,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 01:11:00,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:00,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 01:11:00,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:00,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:11:00,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-28 01:11:00,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:11:00,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:00,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-28 01:11:00,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:00,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:00,588 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:00,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:11:00,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:00,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:11:00,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:00,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:11:00,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:11:00,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:11:00,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:00,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 01:11:00,680 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [148974388] [2020-10-28 01:11:00,680 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 01:11:00,680 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 01:11:00,680 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477282526] [2020-10-28 01:11:00,681 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 01:11:00,681 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 01:11:00,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 01:11:00,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-28 01:11:00,681 INFO L87 Difference]: Start difference. First operand 1378 states and 1945 transitions. Second operand 8 states. [2020-10-28 01:11:01,487 WARN L193 SmtUtils]: Spent 744.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 01:11:01,761 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-28 01:11:02,139 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-10-28 01:11:02,534 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-10-28 01:11:11,022 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-10-28 01:11:11,413 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2020-10-28 01:11:14,961 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2020-10-28 01:11:18,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 01:11:18,598 INFO L93 Difference]: Finished difference Result 3638 states and 5293 transitions. [2020-10-28 01:11:18,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 01:11:18,599 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 204 [2020-10-28 01:11:18,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 01:11:18,614 INFO L225 Difference]: With dead ends: 3638 [2020-10-28 01:11:18,614 INFO L226 Difference]: Without dead ends: 2844 [2020-10-28 01:11:18,618 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2020-10-28 01:11:18,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2844 states. [2020-10-28 01:11:19,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2844 to 2062. [2020-10-28 01:11:19,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2062 states. [2020-10-28 01:11:19,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2062 states to 2062 states and 2882 transitions. [2020-10-28 01:11:19,094 INFO L78 Accepts]: Start accepts. Automaton has 2062 states and 2882 transitions. Word has length 204 [2020-10-28 01:11:19,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 01:11:19,095 INFO L481 AbstractCegarLoop]: Abstraction has 2062 states and 2882 transitions. [2020-10-28 01:11:19,095 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 01:11:19,095 INFO L276 IsEmpty]: Start isEmpty. Operand 2062 states and 2882 transitions. [2020-10-28 01:11:19,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-10-28 01:11:19,097 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 01:11:19,098 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 01:11:19,098 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-28 01:11:19,098 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 01:11:19,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 01:11:19,099 INFO L82 PathProgramCache]: Analyzing trace with hash -894200684, now seen corresponding path program 1 times [2020-10-28 01:11:19,099 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 01:11:19,100 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [142433888] [2020-10-28 01:11:19,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 01:11:19,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:19,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:19,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:19,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:19,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:19,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:19,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:19,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:19,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:20,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:20,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:20,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:20,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:20,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:20,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:21,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:21,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:21,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:21,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:21,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:21,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:21,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:21,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:21,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:22,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:24,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:24,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 256 [2020-10-28 01:11:24,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 24 [2020-10-28 01:11:24,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5035 [2020-10-28 01:11:24,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:24,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 01:11:24,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 01:11:24,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 118 [2020-10-28 01:11:24,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:24,888 WARN L193 SmtUtils]: Spent 619.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 01:11:24,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 01:11:24,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:24,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:24,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:24,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:11:24,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:24,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 01:11:24,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:24,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:11:24,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:11:24,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 01:11:24,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:24,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 01:11:24,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:24,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:24,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:24,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 01:11:24,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:24,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 01:11:24,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:24,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:11:24,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:11:24,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 01:11:24,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:24,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 01:11:24,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:24,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:24,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:24,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 01:11:24,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:24,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:11:24,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:24,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:11:24,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:11:24,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 01:11:24,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:25,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-28 01:11:25,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:25,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:25,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:25,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 01:11:25,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:25,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 01:11:25,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:25,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:11:25,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:11:25,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-28 01:11:25,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:25,185 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-10-28 01:11:25,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-28 01:11:25,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:25,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:25,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:25,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 01:11:25,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:25,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 01:11:25,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:25,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:11:25,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:11:25,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-28 01:11:25,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:25,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-28 01:11:25,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:25,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:25,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:25,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 129 [2020-10-28 01:11:25,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:25,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 01:11:25,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:25,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:11:25,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-28 01:11:25,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-28 01:11:25,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:25,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 01:11:25,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:25,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:25,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:25,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:11:25,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:25,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:11:25,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:25,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:11:25,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:11:25,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:11:25,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:25,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-28 01:11:25,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:25,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:25,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:25,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:11:25,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:25,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:11:25,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:25,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:11:25,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:11:25,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:11:25,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:25,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-28 01:11:25,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:25,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:25,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:25,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:11:25,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:25,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:11:25,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:25,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:11:25,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:11:25,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:11:25,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:25,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-28 01:11:25,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:25,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:25,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:25,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:11:25,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:25,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 01:11:25,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:25,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:11:25,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:11:25,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:11:25,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:25,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 01:11:25,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:25,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:25,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:25,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:11:25,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:25,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:11:25,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:25,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:11:25,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:11:25,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 01:11:25,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:25,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 01:11:25,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:25,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:25,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:25,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:11:25,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:25,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:11:25,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:25,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:11:25,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:11:25,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:11:25,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:25,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-28 01:11:25,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:25,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:25,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:25,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:11:25,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:25,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:11:25,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:25,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:11:25,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:11:25,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:11:25,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:25,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 01:11:25,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:25,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:25,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:25,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:11:25,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:25,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:11:25,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:25,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:11:25,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:11:25,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:11:25,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:25,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-28 01:11:25,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:25,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:25,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:25,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:11:25,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:25,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:11:25,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:25,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:11:25,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:11:25,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:11:25,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:25,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-28 01:11:25,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:25,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:25,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:25,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:11:25,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:25,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:11:25,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:25,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:11:25,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:11:25,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:11:25,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:25,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-28 01:11:25,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:25,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:25,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:25,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-28 01:11:25,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:25,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 01:11:25,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:25,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 01:11:25,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 01:11:25,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 01:11:25,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:25,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-28 01:11:25,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:25,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:25,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:25,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 29 [2020-10-28 01:11:25,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:25,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 01:11:25,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:25,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:11:25,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 26 [2020-10-28 01:11:25,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:11:25,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 01:11:25,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-28 01:11:25,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 01:11:25,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 01:11:25,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 01:11:25,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-28 01:11:25,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 01:11:25,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 01:11:25,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-28 01:11:25,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 01:11:25,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 01:11:25,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 01:11:25,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0