/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/recursive-simple/fibo_2calls_8-2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 22:36:21,894 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 22:36:21,898 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 22:36:21,939 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 22:36:21,940 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 22:36:21,941 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 22:36:21,943 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 22:36:21,945 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 22:36:21,948 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 22:36:21,949 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 22:36:21,950 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 22:36:21,952 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 22:36:21,952 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 22:36:21,953 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 22:36:21,955 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 22:36:21,956 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 22:36:21,957 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 22:36:21,958 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 22:36:21,960 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 22:36:21,963 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 22:36:21,965 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 22:36:21,967 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 22:36:21,969 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 22:36:21,970 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 22:36:21,973 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 22:36:21,974 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 22:36:21,974 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 22:36:21,975 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 22:36:21,976 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 22:36:21,977 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 22:36:21,978 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 22:36:21,979 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 22:36:21,980 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 22:36:21,981 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 22:36:21,982 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 22:36:21,982 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 22:36:21,983 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 22:36:21,984 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 22:36:21,984 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 22:36:21,985 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 22:36:21,986 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 22:36:21,990 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 22:36:22,019 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 22:36:22,020 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 22:36:22,021 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 22:36:22,022 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 22:36:22,022 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 22:36:22,022 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 22:36:22,022 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 22:36:22,022 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 22:36:22,023 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 22:36:22,023 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 22:36:22,023 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 22:36:22,023 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 22:36:22,024 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 22:36:22,024 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 22:36:22,024 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 22:36:22,024 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 22:36:22,025 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 22:36:22,025 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 22:36:22,025 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 22:36:22,025 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 22:36:22,025 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 22:36:22,026 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 22:36:22,026 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 22:36:22,026 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 22:36:22,026 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 22:36:22,027 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 22:36:22,027 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 22:36:22,027 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 22:36:22,027 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 22:36:22,027 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 22:36:22,429 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 22:36:22,457 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 22:36:22,460 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 22:36:22,462 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 22:36:22,462 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 22:36:22,464 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_8-2.c [2020-10-27 22:36:22,561 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/610b2b589/c34f549000a542e6b47c3371728218df/FLAG5b5f32d84 [2020-10-27 22:36:23,321 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 22:36:23,322 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/fibo_2calls_8-2.c [2020-10-27 22:36:23,331 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/610b2b589/c34f549000a542e6b47c3371728218df/FLAG5b5f32d84 [2020-10-27 22:36:23,714 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/610b2b589/c34f549000a542e6b47c3371728218df [2020-10-27 22:36:23,718 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 22:36:23,730 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 22:36:23,735 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 22:36:23,735 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 22:36:23,740 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 22:36:23,741 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 10:36:23" (1/1) ... [2020-10-27 22:36:23,748 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bc01cfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:36:23, skipping insertion in model container [2020-10-27 22:36:23,748 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 10:36:23" (1/1) ... [2020-10-27 22:36:23,758 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 22:36:23,775 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 22:36:24,040 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 22:36:24,052 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 22:36:24,077 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 22:36:24,097 INFO L208 MainTranslator]: Completed translation [2020-10-27 22:36:24,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:36:24 WrapperNode [2020-10-27 22:36:24,097 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 22:36:24,101 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 22:36:24,102 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 22:36:24,102 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 22:36:24,120 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:36:24" (1/1) ... [2020-10-27 22:36:24,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:36:24" (1/1) ... [2020-10-27 22:36:24,134 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:36:24" (1/1) ... [2020-10-27 22:36:24,135 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:36:24" (1/1) ... [2020-10-27 22:36:24,153 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:36:24" (1/1) ... [2020-10-27 22:36:24,156 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:36:24" (1/1) ... [2020-10-27 22:36:24,159 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:36:24" (1/1) ... [2020-10-27 22:36:24,167 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 22:36:24,172 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 22:36:24,172 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 22:36:24,172 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 22:36:24,173 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:36:24" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 22:36:24,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 22:36:24,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 22:36:24,266 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 22:36:24,266 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2020-10-27 22:36:24,266 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2020-10-27 22:36:24,267 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 22:36:24,267 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 22:36:24,268 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 22:36:24,268 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 22:36:24,268 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 22:36:24,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 22:36:24,270 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2020-10-27 22:36:24,270 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2020-10-27 22:36:24,270 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 22:36:24,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 22:36:24,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 22:36:24,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 22:36:24,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 22:36:24,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 22:36:24,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 22:36:24,637 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 22:36:24,638 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-27 22:36:24,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 10:36:24 BoogieIcfgContainer [2020-10-27 22:36:24,643 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 22:36:24,648 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 22:36:24,649 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 22:36:24,656 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 22:36:24,656 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 10:36:23" (1/3) ... [2020-10-27 22:36:24,661 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d5a76dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 10:36:24, skipping insertion in model container [2020-10-27 22:36:24,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:36:24" (2/3) ... [2020-10-27 22:36:24,661 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d5a76dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 10:36:24, skipping insertion in model container [2020-10-27 22:36:24,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 10:36:24" (3/3) ... [2020-10-27 22:36:24,666 INFO L111 eAbstractionObserver]: Analyzing ICFG fibo_2calls_8-2.c [2020-10-27 22:36:24,696 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 22:36:24,710 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 22:36:24,748 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 22:36:24,778 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 22:36:24,778 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 22:36:24,778 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 22:36:24,778 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 22:36:24,778 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 22:36:24,779 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 22:36:24,779 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 22:36:24,779 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 22:36:24,799 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states. [2020-10-27 22:36:24,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-27 22:36:24,805 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:36:24,806 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:36:24,807 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:36:24,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:36:24,814 INFO L82 PathProgramCache]: Analyzing trace with hash 219823047, now seen corresponding path program 1 times [2020-10-27 22:36:24,824 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:36:24,825 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [932872977] [2020-10-27 22:36:24,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:36:24,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:25,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:25,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:25,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:25,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 22:36:25,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:36:25,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 756 [2020-10-27 22:36:25,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:25,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:36:25,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 22:36:25,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:36:25,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 22:36:25,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:36:25,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:25,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:25,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:25,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:36:25,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:25,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 22:36:25,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:25,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:25,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:25,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:25,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:25,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:36:25,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:25,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:25,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:25,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:36:25,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:25,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 22:36:25,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:25,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 22:36:25,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:25,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:36:25,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:25,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 22:36:25,960 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [932872977] [2020-10-27 22:36:25,962 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:36:25,962 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 22:36:25,963 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111176344] [2020-10-27 22:36:25,969 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 22:36:25,969 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:36:25,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 22:36:25,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-27 22:36:25,987 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 6 states. [2020-10-27 22:36:26,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:36:26,327 INFO L93 Difference]: Finished difference Result 53 states and 63 transitions. [2020-10-27 22:36:26,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 22:36:26,329 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2020-10-27 22:36:26,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:36:26,340 INFO L225 Difference]: With dead ends: 53 [2020-10-27 22:36:26,340 INFO L226 Difference]: Without dead ends: 32 [2020-10-27 22:36:26,344 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-27 22:36:26,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-10-27 22:36:26,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2020-10-27 22:36:26,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-10-27 22:36:26,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2020-10-27 22:36:26,404 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 39 transitions. Word has length 15 [2020-10-27 22:36:26,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:36:26,405 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 39 transitions. [2020-10-27 22:36:26,405 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 22:36:26,405 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2020-10-27 22:36:26,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-27 22:36:26,407 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:36:26,407 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:36:26,408 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 22:36:26,408 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:36:26,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:36:26,409 INFO L82 PathProgramCache]: Analyzing trace with hash -1220716726, now seen corresponding path program 1 times [2020-10-27 22:36:26,410 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:36:26,410 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [383930973] [2020-10-27 22:36:26,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:36:26,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:26,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:26,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:26,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:26,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 22:36:26,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:36:26,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 246 [2020-10-27 22:36:26,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:26,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:36:26,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-27 22:36:26,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:36:26,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:36:26,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:36:26,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:26,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:26,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:26,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:36:26,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:26,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:36:26,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:26,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:26,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:26,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:26,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:36:26,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:36:26,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:26,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:26,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:26,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:36:26,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:26,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 22:36:26,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:26,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 22:36:26,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:26,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:36:26,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:26,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 22:36:26,813 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [383930973] [2020-10-27 22:36:26,813 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:36:26,813 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 22:36:26,814 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169181536] [2020-10-27 22:36:26,817 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 22:36:26,817 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:36:26,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 22:36:26,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-27 22:36:26,819 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. Second operand 6 states. [2020-10-27 22:36:27,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:36:27,117 INFO L93 Difference]: Finished difference Result 39 states and 47 transitions. [2020-10-27 22:36:27,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 22:36:27,118 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2020-10-27 22:36:27,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:36:27,120 INFO L225 Difference]: With dead ends: 39 [2020-10-27 22:36:27,120 INFO L226 Difference]: Without dead ends: 34 [2020-10-27 22:36:27,121 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-27 22:36:27,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-10-27 22:36:27,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2020-10-27 22:36:27,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-10-27 22:36:27,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2020-10-27 22:36:27,133 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 39 transitions. Word has length 16 [2020-10-27 22:36:27,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:36:27,133 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 39 transitions. [2020-10-27 22:36:27,133 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 22:36:27,133 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2020-10-27 22:36:27,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-27 22:36:27,135 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:36:27,135 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:36:27,136 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 22:36:27,136 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:36:27,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:36:27,136 INFO L82 PathProgramCache]: Analyzing trace with hash 2083135015, now seen corresponding path program 1 times [2020-10-27 22:36:27,137 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:36:27,137 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1376817379] [2020-10-27 22:36:27,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:36:27,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:27,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:27,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:27,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:27,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:29,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:29,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-27 22:36:29,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 22:36:29,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2575 [2020-10-27 22:36:29,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:29,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:36:29,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-27 22:36:29,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 22:36:29,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:29,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:36:29,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:29,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:29,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:29,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:36:29,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:29,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:36:29,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:29,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:29,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:29,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:29,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:29,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:36:29,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:29,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:29,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:29,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:29,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 22:36:29,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:36:29,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 159 [2020-10-27 22:36:29,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:29,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:36:29,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 22:36:29,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:36:29,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:30,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:30,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:30,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:30,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:30,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:36:30,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:30,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:36:30,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:30,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:36:30,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:36:30,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:36:30,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:30,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:36:30,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:30,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:30,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:30,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:36:30,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:30,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:36:30,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:30,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:30,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:36:30,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:30,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-27 22:36:30,067 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-27 22:36:30,068 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1376817379] [2020-10-27 22:36:30,068 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:36:30,069 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-27 22:36:30,069 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271174528] [2020-10-27 22:36:30,070 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 22:36:30,071 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:36:30,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 22:36:30,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-27 22:36:30,072 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. Second operand 9 states. [2020-10-27 22:36:30,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:36:30,441 INFO L93 Difference]: Finished difference Result 61 states and 81 transitions. [2020-10-27 22:36:30,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 22:36:30,442 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 28 [2020-10-27 22:36:30,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:36:30,444 INFO L225 Difference]: With dead ends: 61 [2020-10-27 22:36:30,444 INFO L226 Difference]: Without dead ends: 36 [2020-10-27 22:36:30,445 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2020-10-27 22:36:30,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2020-10-27 22:36:30,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 34. [2020-10-27 22:36:30,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2020-10-27 22:36:30,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 41 transitions. [2020-10-27 22:36:30,455 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 41 transitions. Word has length 28 [2020-10-27 22:36:30,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:36:30,455 INFO L481 AbstractCegarLoop]: Abstraction has 34 states and 41 transitions. [2020-10-27 22:36:30,456 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 22:36:30,456 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2020-10-27 22:36:30,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-27 22:36:30,457 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:36:30,457 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:36:30,458 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 22:36:30,458 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:36:30,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:36:30,458 INFO L82 PathProgramCache]: Analyzing trace with hash 752879968, now seen corresponding path program 1 times [2020-10-27 22:36:30,459 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:36:30,459 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [129675695] [2020-10-27 22:36:30,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:36:30,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:30,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:30,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:30,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:31,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:31,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-27 22:36:31,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:36:31,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1034 [2020-10-27 22:36:31,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:31,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:36:31,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-27 22:36:31,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-27 22:36:31,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:31,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:36:31,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:31,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:31,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:31,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:36:31,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:31,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:36:31,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:31,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:31,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:31,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:31,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:31,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:36:31,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:31,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:31,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:31,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:36:31,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:31,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-27 22:36:31,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:31,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:36:31,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:31,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 22:36:31,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:31,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:31,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:31,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:31,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:31,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:36:31,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:31,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:36:31,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:31,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 22:36:31,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:31,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:36:31,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:31,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:36:31,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:31,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:31,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:31,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:36:31,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:31,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:36:31,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:31,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:36:31,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:31,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:36:31,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:31,675 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-27 22:36:31,676 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [129675695] [2020-10-27 22:36:31,676 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:36:31,676 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-27 22:36:31,677 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353229055] [2020-10-27 22:36:31,677 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 22:36:31,677 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:36:31,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 22:36:31,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-10-27 22:36:31,678 INFO L87 Difference]: Start difference. First operand 34 states and 41 transitions. Second operand 10 states. [2020-10-27 22:36:32,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:36:32,096 INFO L93 Difference]: Finished difference Result 47 states and 59 transitions. [2020-10-27 22:36:32,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 22:36:32,096 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 29 [2020-10-27 22:36:32,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:36:32,098 INFO L225 Difference]: With dead ends: 47 [2020-10-27 22:36:32,099 INFO L226 Difference]: Without dead ends: 42 [2020-10-27 22:36:32,099 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2020-10-27 22:36:32,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-10-27 22:36:32,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 39. [2020-10-27 22:36:32,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-10-27 22:36:32,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 50 transitions. [2020-10-27 22:36:32,110 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 50 transitions. Word has length 29 [2020-10-27 22:36:32,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:36:32,111 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 50 transitions. [2020-10-27 22:36:32,111 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 22:36:32,111 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 50 transitions. [2020-10-27 22:36:32,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-27 22:36:32,113 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:36:32,113 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:36:32,113 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 22:36:32,113 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:36:32,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:36:32,114 INFO L82 PathProgramCache]: Analyzing trace with hash 1703344845, now seen corresponding path program 1 times [2020-10-27 22:36:32,114 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:36:32,114 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [471997979] [2020-10-27 22:36:32,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:36:32,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:32,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:32,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:32,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:32,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:32,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:33,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:33,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-27 22:36:33,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 22:36:33,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1666 [2020-10-27 22:36:33,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:33,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:36:33,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-10-27 22:36:33,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 22:36:33,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:33,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:36:33,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:33,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:33,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:33,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:36:33,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:33,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:36:33,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:33,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:33,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:33,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:33,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:33,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:36:33,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:33,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:33,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:33,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:34,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:34,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 22:36:34,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:36:34,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 208 [2020-10-27 22:36:34,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:34,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:36:34,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:36:34,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 22:36:34,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:34,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:34,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:34,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:34,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:34,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:36:34,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:34,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:36:34,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:34,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:36:34,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:34,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:36:34,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:34,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:36:34,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:34,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:34,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:34,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:34,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:36:34,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:36:34,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 22:36:34,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:34,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:36:34,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:36:34,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:36:34,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:34,157 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-27 22:36:34,157 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [471997979] [2020-10-27 22:36:34,157 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:36:34,157 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-27 22:36:34,158 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989541514] [2020-10-27 22:36:34,159 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 22:36:34,159 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:36:34,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 22:36:34,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-10-27 22:36:34,160 INFO L87 Difference]: Start difference. First operand 39 states and 50 transitions. Second operand 10 states. [2020-10-27 22:36:34,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:36:34,649 INFO L93 Difference]: Finished difference Result 74 states and 102 transitions. [2020-10-27 22:36:34,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 22:36:34,652 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 30 [2020-10-27 22:36:34,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:36:34,653 INFO L225 Difference]: With dead ends: 74 [2020-10-27 22:36:34,654 INFO L226 Difference]: Without dead ends: 41 [2020-10-27 22:36:34,657 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2020-10-27 22:36:34,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2020-10-27 22:36:34,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2020-10-27 22:36:34,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-10-27 22:36:34,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 50 transitions. [2020-10-27 22:36:34,675 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 50 transitions. Word has length 30 [2020-10-27 22:36:34,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:36:34,675 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 50 transitions. [2020-10-27 22:36:34,676 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 22:36:34,676 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2020-10-27 22:36:34,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-10-27 22:36:34,681 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:36:34,681 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:36:34,682 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 22:36:34,682 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:36:34,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:36:34,682 INFO L82 PathProgramCache]: Analyzing trace with hash 2070859795, now seen corresponding path program 1 times [2020-10-27 22:36:34,683 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:36:34,683 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [679118983] [2020-10-27 22:36:34,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:36:34,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:34,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:34,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:34,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:34,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:35,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:35,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:35,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:36,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:39,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:39,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-27 22:36:39,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 22:36:39,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 22:36:39,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:39,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 22:36:39,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-10-27 22:36:39,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-27 22:36:39,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:39,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:36:39,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:39,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:39,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:39,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:36:39,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:39,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:36:39,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:39,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:39,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:39,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:39,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:39,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:36:39,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:39,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:39,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:39,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:39,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:40,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:40,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:40,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-27 22:36:40,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 22:36:40,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 994 [2020-10-27 22:36:40,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:40,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:36:40,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-10-27 22:36:40,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:36:40,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:40,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:40,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:40,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:40,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:40,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 22:36:40,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:40,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 22:36:40,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:40,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:36:40,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 22:36:40,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:36:40,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:40,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:40,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:40,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:40,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:40,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:36:40,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:40,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:36:40,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:40,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:36:40,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:36:40,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:36:40,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:40,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:36:40,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:40,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:40,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:40,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:36:40,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:40,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:36:40,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:40,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:40,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:36:40,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:40,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:40,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 22:36:40,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:40,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:40,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:40,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:36:40,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:40,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:36:40,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:40,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:40,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:36:40,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:40,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:40,937 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-27 22:36:40,937 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [679118983] [2020-10-27 22:36:40,939 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:36:40,939 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-27 22:36:40,939 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587714495] [2020-10-27 22:36:40,940 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 22:36:40,940 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:36:40,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 22:36:40,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-27 22:36:40,941 INFO L87 Difference]: Start difference. First operand 41 states and 50 transitions. Second operand 9 states. [2020-10-27 22:36:41,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:36:41,329 INFO L93 Difference]: Finished difference Result 77 states and 100 transitions. [2020-10-27 22:36:41,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 22:36:41,330 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 41 [2020-10-27 22:36:41,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:36:41,331 INFO L225 Difference]: With dead ends: 77 [2020-10-27 22:36:41,331 INFO L226 Difference]: Without dead ends: 43 [2020-10-27 22:36:41,335 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2020-10-27 22:36:41,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-10-27 22:36:41,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2020-10-27 22:36:41,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-10-27 22:36:41,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 52 transitions. [2020-10-27 22:36:41,351 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 52 transitions. Word has length 41 [2020-10-27 22:36:41,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:36:41,353 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 52 transitions. [2020-10-27 22:36:41,353 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 22:36:41,353 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 52 transitions. [2020-10-27 22:36:41,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-10-27 22:36:41,362 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:36:41,363 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:36:41,363 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 22:36:41,363 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:36:41,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:36:41,364 INFO L82 PathProgramCache]: Analyzing trace with hash 1960607334, now seen corresponding path program 1 times [2020-10-27 22:36:41,365 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:36:41,365 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [520918261] [2020-10-27 22:36:41,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:36:41,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:41,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:41,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:41,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:41,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:41,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:41,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:41,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:43,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:46,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:46,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-27 22:36:46,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 22:36:46,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-27 22:36:46,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:46,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 22:36:46,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-27 22:36:46,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-27 22:36:46,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:46,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:36:46,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:46,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:46,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:46,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:36:46,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:46,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:36:46,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:46,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:46,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:46,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:46,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:46,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:36:46,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:46,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:46,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:46,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:46,479 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:46,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:47,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:47,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-27 22:36:47,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 22:36:47,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 744 [2020-10-27 22:36:47,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:47,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:36:47,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:36:47,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-27 22:36:47,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:47,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:47,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:47,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:47,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:47,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:47,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:47,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:36:47,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:36:47,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-27 22:36:47,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:47,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:36:47,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:47,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:36:47,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:47,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:47,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:47,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:47,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:47,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:47,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:36:47,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:36:47,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 22:36:47,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:47,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:36:47,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:47,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:36:47,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:47,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:36:47,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:47,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:47,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:47,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:36:47,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:47,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:36:47,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:47,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:36:47,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:47,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:36:47,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:47,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:36:47,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:47,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:47,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:47,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:36:47,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:47,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:36:47,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:47,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:36:47,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:36:47,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:36:47,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:47,397 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-27 22:36:47,398 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [520918261] [2020-10-27 22:36:47,398 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:36:47,398 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-27 22:36:47,399 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526062948] [2020-10-27 22:36:47,399 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 22:36:47,399 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:36:47,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 22:36:47,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2020-10-27 22:36:47,400 INFO L87 Difference]: Start difference. First operand 43 states and 52 transitions. Second operand 12 states. [2020-10-27 22:36:48,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:36:48,089 INFO L93 Difference]: Finished difference Result 79 states and 101 transitions. [2020-10-27 22:36:48,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 22:36:48,091 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 42 [2020-10-27 22:36:48,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:36:48,093 INFO L225 Difference]: With dead ends: 79 [2020-10-27 22:36:48,093 INFO L226 Difference]: Without dead ends: 43 [2020-10-27 22:36:48,094 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=59, Invalid=247, Unknown=0, NotChecked=0, Total=306 [2020-10-27 22:36:48,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-10-27 22:36:48,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2020-10-27 22:36:48,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-10-27 22:36:48,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 51 transitions. [2020-10-27 22:36:48,103 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 51 transitions. Word has length 42 [2020-10-27 22:36:48,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:36:48,104 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 51 transitions. [2020-10-27 22:36:48,104 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 22:36:48,104 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 51 transitions. [2020-10-27 22:36:48,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-10-27 22:36:48,105 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:36:48,105 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:36:48,105 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 22:36:48,106 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:36:48,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:36:48,106 INFO L82 PathProgramCache]: Analyzing trace with hash 488187527, now seen corresponding path program 1 times [2020-10-27 22:36:48,107 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:36:48,107 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1849155620] [2020-10-27 22:36:48,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:36:48,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:48,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:48,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:48,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:48,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:50,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:50,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-27 22:36:50,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 22:36:50,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2201 [2020-10-27 22:36:50,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:50,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 22:36:50,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-27 22:36:50,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-27 22:36:50,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:50,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:36:50,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:50,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:50,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:50,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:36:50,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:50,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:36:50,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:50,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:50,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:50,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:50,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:50,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:36:50,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:50,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:50,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:50,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:36:50,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:50,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 56 [2020-10-27 22:36:50,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:50,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 22:36:50,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:50,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-27 22:36:50,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:50,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:50,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:50,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:50,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:50,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:36:50,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:50,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 22:36:50,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:50,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:36:50,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:50,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 22:36:50,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:50,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:50,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:50,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:50,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:50,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:36:50,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:50,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:36:50,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:50,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 22:36:50,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:50,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:36:50,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:50,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:36:50,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:50,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:50,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:50,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:36:50,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:50,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:36:50,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:50,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:36:50,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:50,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:36:50,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:50,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:36:50,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:50,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:50,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:50,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:36:50,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:50,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:36:50,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:50,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:36:50,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:50,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:36:50,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:50,660 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-27 22:36:50,661 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1849155620] [2020-10-27 22:36:50,661 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:36:50,661 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-27 22:36:50,662 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740624625] [2020-10-27 22:36:50,662 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 22:36:50,662 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:36:50,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 22:36:50,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2020-10-27 22:36:50,663 INFO L87 Difference]: Start difference. First operand 43 states and 51 transitions. Second operand 13 states. [2020-10-27 22:36:51,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:36:51,452 INFO L93 Difference]: Finished difference Result 62 states and 81 transitions. [2020-10-27 22:36:51,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-27 22:36:51,453 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 43 [2020-10-27 22:36:51,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:36:51,455 INFO L225 Difference]: With dead ends: 62 [2020-10-27 22:36:51,455 INFO L226 Difference]: Without dead ends: 57 [2020-10-27 22:36:51,456 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=76, Invalid=430, Unknown=0, NotChecked=0, Total=506 [2020-10-27 22:36:51,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-10-27 22:36:51,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 52. [2020-10-27 22:36:51,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-10-27 22:36:51,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 69 transitions. [2020-10-27 22:36:51,467 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 69 transitions. Word has length 43 [2020-10-27 22:36:51,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:36:51,468 INFO L481 AbstractCegarLoop]: Abstraction has 52 states and 69 transitions. [2020-10-27 22:36:51,468 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 22:36:51,468 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 69 transitions. [2020-10-27 22:36:51,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-10-27 22:36:51,469 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:36:51,469 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:36:51,470 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 22:36:51,470 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:36:51,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:36:51,470 INFO L82 PathProgramCache]: Analyzing trace with hash 1996320528, now seen corresponding path program 1 times [2020-10-27 22:36:51,471 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:36:51,471 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [877747623] [2020-10-27 22:36:51,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:36:51,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:51,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:51,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:51,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:51,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:51,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:51,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:51,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:52,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:56,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:56,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-27 22:36:56,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 22:36:56,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4567 [2020-10-27 22:36:56,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:56,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 22:36:56,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 29 [2020-10-27 22:36:56,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-27 22:36:56,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:56,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:36:56,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:56,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:56,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:56,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:36:56,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:56,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:36:56,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:56,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:56,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:56,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:56,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:56,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:36:56,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:56,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:56,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:56,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:56,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:56,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:56,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:56,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-27 22:36:56,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 22:36:56,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 377 [2020-10-27 22:36:56,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:56,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:36:56,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 22:36:56,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 22:36:56,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:56,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:56,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:56,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:56,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:56,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:56,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 22:36:56,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:36:56,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 22:36:56,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:56,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:36:56,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:36:56,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-27 22:36:56,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:56,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:36:56,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:56,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:56,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:56,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:36:56,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:56,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:36:56,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:56,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:36:56,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:36:56,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:36:56,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:56,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:36:56,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:56,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:56,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:56,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:56,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:36:56,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:36:56,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 22:36:56,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:56,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:36:56,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:36:56,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:36:56,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:56,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 22:36:56,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:56,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:56,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:36:56,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:36:56,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:36:56,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:36:56,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:36:56,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:36:56,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 22:36:56,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:36:56,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:36:56,642 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-27 22:36:56,643 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [877747623] [2020-10-27 22:36:56,643 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:36:56,643 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-27 22:36:56,644 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180678684] [2020-10-27 22:36:56,646 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 22:36:56,647 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:36:56,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 22:36:56,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2020-10-27 22:36:56,648 INFO L87 Difference]: Start difference. First operand 52 states and 69 transitions. Second operand 10 states. [2020-10-27 22:36:57,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:36:57,190 INFO L93 Difference]: Finished difference Result 100 states and 141 transitions. [2020-10-27 22:36:57,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 22:36:57,193 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 44 [2020-10-27 22:36:57,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:36:57,195 INFO L225 Difference]: With dead ends: 100 [2020-10-27 22:36:57,195 INFO L226 Difference]: Without dead ends: 54 [2020-10-27 22:36:57,197 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2020-10-27 22:36:57,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2020-10-27 22:36:57,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2020-10-27 22:36:57,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-10-27 22:36:57,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 68 transitions. [2020-10-27 22:36:57,208 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 68 transitions. Word has length 44 [2020-10-27 22:36:57,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:36:57,209 INFO L481 AbstractCegarLoop]: Abstraction has 54 states and 68 transitions. [2020-10-27 22:36:57,209 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 22:36:57,209 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 68 transitions. [2020-10-27 22:36:57,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-10-27 22:36:57,211 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:36:57,211 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:36:57,211 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 22:36:57,211 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:36:57,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:36:57,212 INFO L82 PathProgramCache]: Analyzing trace with hash 1609471852, now seen corresponding path program 1 times [2020-10-27 22:36:57,212 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:36:57,212 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [881970347] [2020-10-27 22:36:57,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:36:57,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:36:57,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:57,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:57,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:57,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:57,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:57,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:57,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:57,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:57,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:58,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:36:58,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:00,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:01,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:02,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:02,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-27 22:37:02,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-27 22:37:02,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-10-27 22:37:02,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:02,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 22:37:02,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-27 22:37:02,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 22:37:02,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:02,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:37:02,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:02,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:02,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:02,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:37:02,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:02,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:37:02,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:02,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:02,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:02,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:02,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:02,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:37:02,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:02,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:02,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:02,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:02,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:02,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:02,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:02,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:02,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:02,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:02,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:02,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:03,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:03,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:03,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:07,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:07,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-27 22:37:07,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-27 22:37:07,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 22:37:07,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:07,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:37:07,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 38 [2020-10-27 22:37:07,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 22:37:07,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:07,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:07,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:07,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:07,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:07,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:37:07,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:07,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:37:07,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:07,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:07,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:07,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:07,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:07,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:07,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:07,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:07,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:07,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:07,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:07,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:37:07,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:07,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:07,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:07,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:07,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:07,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:37:07,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:07,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:07,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:07,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:37:07,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:07,357 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:37:07,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:07,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:07,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:07,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:07,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:07,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:37:07,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:07,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:07,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:07,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:07,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:07,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:07,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:07,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:07,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:07,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:09,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:09,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-27 22:37:09,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-27 22:37:09,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2414 [2020-10-27 22:37:09,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:09,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:37:09,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:37:09,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 22:37:09,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:09,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:09,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:09,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:09,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:09,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:09,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:09,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:37:09,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:37:09,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-27 22:37:09,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:09,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:37:09,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:09,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:37:09,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:09,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:09,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:09,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:09,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:09,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:09,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:09,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:37:09,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 22:37:09,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:09,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:37:09,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:09,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:37:09,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:09,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:37:09,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:09,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:09,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:09,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:37:09,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:09,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:37:09,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:09,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:37:09,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:09,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:37:09,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:10,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:37:10,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:10,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:10,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:10,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:10,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:10,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:37:10,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:37:10,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-27 22:37:10,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:10,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:37:10,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:37:10,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 22:37:10,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:10,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:10,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:10,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:10,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:10,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:10,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:10,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:37:10,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:10,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:37:10,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:10,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:37:10,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:10,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:37:10,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:10,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:10,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:10,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:37:10,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:10,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:37:10,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:10,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:37:10,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:10,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:37:10,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:10,159 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 57 proven. 24 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2020-10-27 22:37:10,159 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [881970347] [2020-10-27 22:37:10,159 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:37:10,160 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-27 22:37:10,160 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115685889] [2020-10-27 22:37:10,160 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 22:37:10,160 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:37:10,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 22:37:10,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-27 22:37:10,161 INFO L87 Difference]: Start difference. First operand 54 states and 68 transitions. Second operand 13 states. [2020-10-27 22:37:10,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:37:10,992 INFO L93 Difference]: Finished difference Result 109 states and 151 transitions. [2020-10-27 22:37:10,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 22:37:10,995 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 83 [2020-10-27 22:37:10,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:37:10,998 INFO L225 Difference]: With dead ends: 109 [2020-10-27 22:37:10,999 INFO L226 Difference]: Without dead ends: 62 [2020-10-27 22:37:11,000 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=88, Invalid=332, Unknown=0, NotChecked=0, Total=420 [2020-10-27 22:37:11,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2020-10-27 22:37:11,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 59. [2020-10-27 22:37:11,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-10-27 22:37:11,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 75 transitions. [2020-10-27 22:37:11,027 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 75 transitions. Word has length 83 [2020-10-27 22:37:11,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:37:11,027 INFO L481 AbstractCegarLoop]: Abstraction has 59 states and 75 transitions. [2020-10-27 22:37:11,027 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 22:37:11,028 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 75 transitions. [2020-10-27 22:37:11,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-10-27 22:37:11,031 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:37:11,032 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:37:11,032 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-27 22:37:11,032 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:37:11,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:37:11,033 INFO L82 PathProgramCache]: Analyzing trace with hash 1077697206, now seen corresponding path program 2 times [2020-10-27 22:37:11,033 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:37:11,035 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1670625708] [2020-10-27 22:37:11,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:37:11,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:11,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:11,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:11,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:11,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:11,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:11,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:11,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:11,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:11,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:12,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:12,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:12,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:12,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:13,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:13,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:13,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:13,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:13,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:16,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:16,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-27 22:37:16,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-27 22:37:16,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 22:37:16,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:16,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 22:37:16,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 22:37:16,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-27 22:37:16,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:16,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:37:16,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:16,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:16,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:16,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:37:16,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:16,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:37:16,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:16,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:16,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:16,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:16,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:16,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:37:16,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:16,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:16,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:16,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:16,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:16,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:16,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:16,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:16,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:17,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:17,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:18,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:18,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:18,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:18,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:18,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:21,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:21,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:37:21,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-27 22:37:21,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 22:37:21,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:21,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 22:37:21,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:37:21,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 22:37:21,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:21,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:21,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:21,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:21,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:21,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:21,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:37:21,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:37:21,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-27 22:37:21,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:21,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:37:21,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:21,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:37:21,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:21,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:21,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:21,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:21,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:21,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:21,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:21,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:37:21,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:21,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:37:21,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:21,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:37:21,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:21,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:37:21,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:21,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:21,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:21,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:37:21,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:21,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:37:21,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:21,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:37:21,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:21,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:37:21,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:21,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:37:21,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:21,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:21,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:21,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:21,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:21,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:21,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:21,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:21,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:37:21,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 22:37:21,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 418 [2020-10-27 22:37:21,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:21,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:37:21,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:37:21,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 22:37:21,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:21,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:21,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:21,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:21,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:21,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:37:21,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:21,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:37:21,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:21,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:37:21,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:21,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 22:37:21,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:21,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:21,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:21,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:21,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:21,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:21,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:21,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:37:21,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:21,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:21,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:21,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:21,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:21,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:37:21,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:21,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:21,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:21,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:37:21,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:21,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:37:21,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:21,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:21,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:21,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:21,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:21,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:37:21,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:21,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:21,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:21,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:21,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:21,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:37:21,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 22:37:21,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:21,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:37:21,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:21,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:37:21,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:21,759 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 31 proven. 24 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-10-27 22:37:21,759 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1670625708] [2020-10-27 22:37:21,759 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:37:21,759 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-27 22:37:21,760 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454528316] [2020-10-27 22:37:21,761 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 22:37:21,761 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:37:21,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 22:37:21,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-10-27 22:37:21,762 INFO L87 Difference]: Start difference. First operand 59 states and 75 transitions. Second operand 12 states. [2020-10-27 22:37:22,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:37:22,565 INFO L93 Difference]: Finished difference Result 121 states and 166 transitions. [2020-10-27 22:37:22,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 22:37:22,566 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 70 [2020-10-27 22:37:22,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:37:22,568 INFO L225 Difference]: With dead ends: 121 [2020-10-27 22:37:22,568 INFO L226 Difference]: Without dead ends: 69 [2020-10-27 22:37:22,569 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=86, Invalid=334, Unknown=0, NotChecked=0, Total=420 [2020-10-27 22:37:22,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2020-10-27 22:37:22,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 66. [2020-10-27 22:37:22,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-10-27 22:37:22,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 85 transitions. [2020-10-27 22:37:22,591 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 85 transitions. Word has length 70 [2020-10-27 22:37:22,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:37:22,592 INFO L481 AbstractCegarLoop]: Abstraction has 66 states and 85 transitions. [2020-10-27 22:37:22,592 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 22:37:22,592 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 85 transitions. [2020-10-27 22:37:22,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-10-27 22:37:22,593 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:37:22,593 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:37:22,594 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-27 22:37:22,594 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:37:22,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:37:22,594 INFO L82 PathProgramCache]: Analyzing trace with hash -2073039210, now seen corresponding path program 1 times [2020-10-27 22:37:22,594 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:37:22,595 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [388992733] [2020-10-27 22:37:22,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:37:22,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:22,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:22,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:22,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:22,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:22,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:23,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:23,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:23,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:23,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:24,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:27,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:27,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-27 22:37:27,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 22:37:27,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 22:37:27,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:27,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-27 22:37:27,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-10-27 22:37:27,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-27 22:37:27,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:27,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:37:27,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:27,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:27,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:27,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:37:27,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:27,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:37:27,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:27,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:27,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:27,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:27,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:27,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:37:27,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:27,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:27,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:27,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:27,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:27,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:28,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:28,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:28,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-27 22:37:28,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 22:37:28,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1276 [2020-10-27 22:37:28,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:28,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:37:28,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:37:28,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-27 22:37:28,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:28,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:28,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:28,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:28,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:28,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:28,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:28,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:29,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:29,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:29,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:37:29,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 22:37:29,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 980 [2020-10-27 22:37:29,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:29,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:37:29,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:29,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 22:37:29,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:29,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:29,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:29,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:29,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:29,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:30,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:30,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:37:30,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:37:30,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 71 [2020-10-27 22:37:30,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:30,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:37:30,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:30,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:37:30,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:30,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:30,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:30,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:30,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:30,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:30,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:30,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:37:30,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:37:30,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:30,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:37:30,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:30,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:37:30,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:30,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:37:30,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:30,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:30,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:30,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:37:30,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:30,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:37:30,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:30,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:37:30,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:30,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:37:30,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:30,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:37:30,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:30,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:30,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:30,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:30,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:30,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:37:30,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:30,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:37:30,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:30,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:37:30,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:30,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:37:30,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:30,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:30,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:30,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:30,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:30,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:37:30,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:30,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:37:30,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:37:30,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:37:30,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:30,155 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 20 proven. 14 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-27 22:37:30,156 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [388992733] [2020-10-27 22:37:30,156 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:37:30,156 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-27 22:37:30,156 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378472215] [2020-10-27 22:37:30,157 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 22:37:30,157 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:37:30,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 22:37:30,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2020-10-27 22:37:30,158 INFO L87 Difference]: Start difference. First operand 66 states and 85 transitions. Second operand 13 states. [2020-10-27 22:37:30,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:37:30,907 INFO L93 Difference]: Finished difference Result 127 states and 170 transitions. [2020-10-27 22:37:30,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 22:37:30,908 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 57 [2020-10-27 22:37:30,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:37:30,910 INFO L225 Difference]: With dead ends: 127 [2020-10-27 22:37:30,910 INFO L226 Difference]: Without dead ends: 68 [2020-10-27 22:37:30,911 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=81, Invalid=339, Unknown=0, NotChecked=0, Total=420 [2020-10-27 22:37:30,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2020-10-27 22:37:30,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2020-10-27 22:37:30,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2020-10-27 22:37:30,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 86 transitions. [2020-10-27 22:37:30,923 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 86 transitions. Word has length 57 [2020-10-27 22:37:30,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:37:30,923 INFO L481 AbstractCegarLoop]: Abstraction has 68 states and 86 transitions. [2020-10-27 22:37:30,923 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 22:37:30,923 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 86 transitions. [2020-10-27 22:37:30,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-10-27 22:37:30,925 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:37:30,925 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:37:30,925 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-27 22:37:30,925 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:37:30,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:37:30,926 INFO L82 PathProgramCache]: Analyzing trace with hash 1562902855, now seen corresponding path program 2 times [2020-10-27 22:37:30,926 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:37:30,926 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [385619964] [2020-10-27 22:37:30,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:37:30,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:30,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:30,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:30,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:31,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:31,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:31,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:31,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:31,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:31,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:31,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:31,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:31,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:31,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:31,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:32,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:32,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:32,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:32,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:32,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:35,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:35,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-27 22:37:35,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-27 22:37:35,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 22:37:35,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:35,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 22:37:35,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 22:37:35,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-27 22:37:35,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:35,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:37:35,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:35,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:35,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:35,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:37:35,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:35,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:37:35,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:35,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:35,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:35,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:35,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:35,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:37:35,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:35,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:36,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:36,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:36,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:36,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:36,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:36,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:36,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:36,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:36,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:36,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:36,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:36,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:36,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:37,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:37,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:37,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:37,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:41,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:41,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-27 22:37:41,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 18 [2020-10-27 22:37:41,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-27 22:37:41,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:41,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 22:37:41,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:37:41,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-27 22:37:41,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:41,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:41,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:41,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:41,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:41,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:41,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:41,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:37:41,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:37:41,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 281 [2020-10-27 22:37:41,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:41,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:37:41,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:41,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 22:37:41,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:41,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:41,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:41,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:41,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:41,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:41,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:37:41,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:37:41,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-27 22:37:41,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:41,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:37:41,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:41,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:37:41,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:41,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:41,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:41,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:41,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:41,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:41,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:41,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:37:41,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:41,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:37:41,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:41,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:37:41,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:41,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:37:41,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:41,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:41,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:41,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:37:41,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:41,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:37:41,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:41,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:37:41,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:41,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:37:41,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:41,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:37:41,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:41,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:41,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:41,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:41,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:41,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:37:41,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:41,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:37:41,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:41,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:37:41,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:41,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:37:41,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:41,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:41,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:41,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:41,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:41,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:41,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:41,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:41,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:37:41,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 22:37:41,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 562 [2020-10-27 22:37:41,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:41,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:37:41,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:37:41,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 22:37:41,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:42,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:42,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:42,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:42,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:42,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:37:42,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:42,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:37:42,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:42,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:37:42,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:42,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 22:37:42,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:42,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:42,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:42,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:42,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:42,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:42,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:42,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:37:42,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:42,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:42,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:42,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:42,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:42,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:37:42,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:42,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:42,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:42,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:37:42,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:42,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:37:42,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:42,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:42,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:42,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:42,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:42,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:37:42,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:42,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:42,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:42,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:42,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:42,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:37:42,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 22:37:42,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:42,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:37:42,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:42,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:37:42,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:42,108 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 44 proven. 43 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-10-27 22:37:42,109 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [385619964] [2020-10-27 22:37:42,109 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:37:42,109 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-27 22:37:42,109 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1911471373] [2020-10-27 22:37:42,110 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 22:37:42,110 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:37:42,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 22:37:42,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2020-10-27 22:37:42,111 INFO L87 Difference]: Start difference. First operand 68 states and 86 transitions. Second operand 13 states. [2020-10-27 22:37:43,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:37:43,095 INFO L93 Difference]: Finished difference Result 155 states and 217 transitions. [2020-10-27 22:37:43,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-27 22:37:43,096 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 84 [2020-10-27 22:37:43,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:37:43,098 INFO L225 Difference]: With dead ends: 155 [2020-10-27 22:37:43,098 INFO L226 Difference]: Without dead ends: 83 [2020-10-27 22:37:43,100 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=109, Invalid=443, Unknown=0, NotChecked=0, Total=552 [2020-10-27 22:37:43,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2020-10-27 22:37:43,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 75. [2020-10-27 22:37:43,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-10-27 22:37:43,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 95 transitions. [2020-10-27 22:37:43,115 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 95 transitions. Word has length 84 [2020-10-27 22:37:43,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:37:43,115 INFO L481 AbstractCegarLoop]: Abstraction has 75 states and 95 transitions. [2020-10-27 22:37:43,115 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 22:37:43,115 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 95 transitions. [2020-10-27 22:37:43,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-10-27 22:37:43,116 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:37:43,117 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:37:43,117 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-27 22:37:43,117 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:37:43,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:37:43,118 INFO L82 PathProgramCache]: Analyzing trace with hash 1406199094, now seen corresponding path program 3 times [2020-10-27 22:37:43,118 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:37:43,118 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2019307045] [2020-10-27 22:37:43,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:37:43,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:43,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:43,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:43,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:43,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:44,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:48,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:48,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-27 22:37:48,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 22:37:48,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 22:37:48,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:48,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:37:48,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 22:37:48,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 45 [2020-10-27 22:37:48,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:48,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:37:48,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:48,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:48,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:48,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:37:48,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:48,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:37:48,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:48,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:48,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:48,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:48,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:48,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:37:48,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:48,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:48,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:48,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:48,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:48,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:53,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:53,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:37:53,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 22:37:53,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-27 22:37:53,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:53,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:37:53,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:37:53,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-27 22:37:53,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:53,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:53,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:53,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:53,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:53,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:53,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:53,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:37:53,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:37:53,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 312 [2020-10-27 22:37:53,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:53,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:37:53,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:53,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 22:37:53,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:53,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:53,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:53,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:53,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:53,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:37:53,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:53,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:37:53,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:53,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:37:53,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:53,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 22:37:53,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:53,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:53,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:53,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:53,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:53,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:53,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:53,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:37:53,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:53,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:53,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:53,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:53,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:53,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:37:53,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:53,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:53,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:53,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:37:53,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:53,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:37:53,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:53,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:53,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:53,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:53,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:53,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:37:53,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:53,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:53,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:53,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:53,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:53,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:37:53,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:53,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:37:53,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:53,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:37:53,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:53,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:37:53,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:53,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:53,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:53,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:37:53,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:53,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:37:53,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:53,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:37:53,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:53,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 22:37:53,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:53,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:37:53,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:53,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:53,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:53,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:37:53,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:53,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:37:53,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:53,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:53,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:53,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:53,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:53,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:37:53,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:53,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:53,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:53,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:37:53,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:53,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:37:53,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:53,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:53,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:53,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:53,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:53,654 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 17 proven. 28 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2020-10-27 22:37:53,655 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2019307045] [2020-10-27 22:37:53,655 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:37:53,655 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-27 22:37:53,655 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981542157] [2020-10-27 22:37:53,656 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 22:37:53,656 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:37:53,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 22:37:53,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-10-27 22:37:53,657 INFO L87 Difference]: Start difference. First operand 75 states and 95 transitions. Second operand 10 states. [2020-10-27 22:37:54,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:37:54,219 INFO L93 Difference]: Finished difference Result 88 states and 114 transitions. [2020-10-27 22:37:54,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 22:37:54,220 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 70 [2020-10-27 22:37:54,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:37:54,222 INFO L225 Difference]: With dead ends: 88 [2020-10-27 22:37:54,222 INFO L226 Difference]: Without dead ends: 83 [2020-10-27 22:37:54,223 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2020-10-27 22:37:54,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2020-10-27 22:37:54,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 80. [2020-10-27 22:37:54,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2020-10-27 22:37:54,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 105 transitions. [2020-10-27 22:37:54,236 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 105 transitions. Word has length 70 [2020-10-27 22:37:54,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:37:54,237 INFO L481 AbstractCegarLoop]: Abstraction has 80 states and 105 transitions. [2020-10-27 22:37:54,237 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 22:37:54,237 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 105 transitions. [2020-10-27 22:37:54,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2020-10-27 22:37:54,239 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:37:54,240 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 14, 14, 13, 12, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 6, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:37:54,240 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-27 22:37:54,240 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:37:54,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:37:54,241 INFO L82 PathProgramCache]: Analyzing trace with hash -726963759, now seen corresponding path program 4 times [2020-10-27 22:37:54,241 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:37:54,241 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1400369434] [2020-10-27 22:37:54,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:37:54,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:54,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:54,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:54,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:54,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:54,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:54,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:54,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:56,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:56,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:56,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:56,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:56,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:56,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:58,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:58,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:59,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:59,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 290 [2020-10-27 22:37:59,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-27 22:37:59,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-27 22:37:59,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:59,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 22:37:59,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-27 22:37:59,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-27 22:37:59,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:59,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:37:59,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:59,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:59,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:37:59,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:37:59,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:37:59,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:37:59,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:37:59,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:37:59,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:37:59,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:37:59,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:37:59,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:37:59,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:37:59,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:59,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:59,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:59,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:59,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:59,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:59,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:59,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:37:59,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:00,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:00,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:01,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:01,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:01,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:01,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:01,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:01,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:01,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:02,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:04,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:04,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-10-27 22:38:04,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-27 22:38:04,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-27 22:38:04,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:04,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 22:38:04,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 144 [2020-10-27 22:38:04,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-27 22:38:04,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:04,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:04,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:04,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:04,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:04,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:04,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:04,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:05,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:05,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:05,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:05,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:05,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:05,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:05,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:05,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:05,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:05,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:06,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:06,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:06,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:06,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:06,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:06,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:06,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:06,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:06,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:06,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:06,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:06,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:06,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:07,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:09,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:09,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-27 22:38:09,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 29 [2020-10-27 22:38:09,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-27 22:38:09,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:09,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 22:38:09,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:38:09,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-27 22:38:09,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:38:09,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:09,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:09,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:09,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:09,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:09,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:09,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:38:09,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:38:09,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 258 [2020-10-27 22:38:09,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:09,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:38:09,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:09,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 22:38:09,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:09,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:09,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:09,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:09,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:09,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:38:09,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:09,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:38:09,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:09,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:38:09,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:09,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 22:38:09,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:09,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:09,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:09,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:09,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:09,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:09,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:09,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:38:09,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:09,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:09,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:09,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:09,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:09,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:38:09,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:09,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:09,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:09,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:38:09,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:09,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:38:09,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:09,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:09,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:09,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:09,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-27 22:38:09,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:38:09,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:09,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:09,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:09,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:09,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:09,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:38:09,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:09,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:38:09,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:09,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:38:09,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:09,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:38:09,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:09,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:09,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:09,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:09,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:09,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:09,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:10,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:10,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:10,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:10,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:14,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:14,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:38:14,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 22:38:14,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 22:38:14,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:14,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 22:38:14,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:38:14,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-27 22:38:14,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:14,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:14,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:14,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:14,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:14,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:14,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:14,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:14,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:15,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:15,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:38:15,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 22:38:15,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 813 [2020-10-27 22:38:15,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:15,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:38:15,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:15,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 22:38:15,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:15,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:15,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:15,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:15,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:15,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:15,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:15,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:38:15,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:38:15,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-27 22:38:15,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:15,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:38:15,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:15,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:38:15,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:15,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:15,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:15,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:15,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:15,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:15,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:15,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:38:15,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:38:15,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:15,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:38:15,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:15,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:38:15,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:15,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:38:15,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:15,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:15,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:15,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:38:15,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:15,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:38:15,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:15,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:38:15,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:15,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:38:15,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:15,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:38:15,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:15,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:15,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:15,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:15,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:15,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:38:15,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:15,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:38:15,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:15,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:38:15,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:15,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:38:15,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:15,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:15,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:15,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:38:15,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:15,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:38:15,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:15,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:38:15,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:15,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 22:38:15,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:15,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:15,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:15,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:15,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:15,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:15,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:15,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:38:15,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:15,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:15,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:15,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:15,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:15,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:38:15,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:15,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:15,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:15,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:38:15,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:15,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:38:15,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:15,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:15,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:15,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:15,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:15,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-27 22:38:15,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:15,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:15,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:15,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:15,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:15,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:15,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:15,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:16,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:16,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:16,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:16,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:16,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:18,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:18,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:18,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:18,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:18,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:20,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:20,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-27 22:38:20,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-27 22:38:20,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 22:38:20,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:20,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 22:38:20,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:38:20,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 86 [2020-10-27 22:38:20,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:20,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:20,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:20,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:20,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:20,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:21,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:21,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:38:21,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:38:21,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 321 [2020-10-27 22:38:21,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:21,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:38:21,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:21,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 22:38:21,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:21,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:21,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:21,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:21,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:21,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:38:21,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:21,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 22:38:21,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:21,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:38:21,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:21,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 22:38:21,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:21,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:21,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:21,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:21,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:21,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:21,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:21,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:38:21,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:21,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:21,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:21,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:21,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:21,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:38:21,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:21,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:21,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:21,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:38:21,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:21,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:38:21,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:21,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:21,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:21,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:21,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:21,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:38:21,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:21,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:21,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:21,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:21,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:21,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:38:21,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:21,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:38:21,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:21,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:38:21,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:21,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:38:21,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:21,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:21,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:21,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:21,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:21,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:21,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:21,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:21,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:21,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:21,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:26,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:26,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:38:26,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 22:38:26,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 22:38:26,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:26,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:38:26,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:38:26,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-27 22:38:26,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:26,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:26,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:26,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:26,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:26,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:38:26,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:26,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 22:38:26,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:26,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:38:26,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:26,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 22:38:26,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:26,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:26,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:26,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:26,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:26,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:38:26,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:26,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:38:26,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:26,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:26,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:26,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:26,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:26,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:26,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:26,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:26,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:26,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:26,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:26,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:38:26,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:26,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:26,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:26,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:26,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:26,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:38:26,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:26,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:26,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:26,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:38:26,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:26,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:38:26,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:26,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:26,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:26,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:26,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:26,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:38:26,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:26,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:26,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:26,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:26,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:26,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:38:26,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:26,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:26,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:26,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:26,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:26,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:38:26,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:26,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:26,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:26,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:26,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:26,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:38:26,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:38:26,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-27 22:38:26,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:26,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:38:26,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:26,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:38:26,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:26,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:26,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:26,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:26,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:26,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:26,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:26,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:38:26,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:26,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:38:26,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:26,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:38:26,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:26,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:38:26,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:26,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:26,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:26,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:38:26,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:26,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:38:26,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:26,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:38:26,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:26,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:38:26,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:26,447 INFO L134 CoverageAnalysis]: Checked inductivity of 1248 backedges. 310 proven. 353 refuted. 0 times theorem prover too weak. 585 trivial. 0 not checked. [2020-10-27 22:38:26,448 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1400369434] [2020-10-27 22:38:26,448 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:38:26,448 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-27 22:38:26,448 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060618244] [2020-10-27 22:38:26,449 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-27 22:38:26,449 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:38:26,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-27 22:38:26,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2020-10-27 22:38:26,450 INFO L87 Difference]: Start difference. First operand 80 states and 105 transitions. Second operand 18 states. [2020-10-27 22:38:27,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:38:27,944 INFO L93 Difference]: Finished difference Result 182 states and 277 transitions. [2020-10-27 22:38:27,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-27 22:38:27,945 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 220 [2020-10-27 22:38:27,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:38:27,947 INFO L225 Difference]: With dead ends: 182 [2020-10-27 22:38:27,948 INFO L226 Difference]: Without dead ends: 104 [2020-10-27 22:38:27,949 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=206, Invalid=984, Unknown=0, NotChecked=0, Total=1190 [2020-10-27 22:38:27,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-10-27 22:38:27,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 89. [2020-10-27 22:38:27,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2020-10-27 22:38:27,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 121 transitions. [2020-10-27 22:38:27,971 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 121 transitions. Word has length 220 [2020-10-27 22:38:27,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:38:27,973 INFO L481 AbstractCegarLoop]: Abstraction has 89 states and 121 transitions. [2020-10-27 22:38:27,974 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-27 22:38:27,974 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 121 transitions. [2020-10-27 22:38:27,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-10-27 22:38:27,978 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:38:27,979 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 8, 7, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:38:27,979 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-27 22:38:27,979 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:38:27,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:38:27,979 INFO L82 PathProgramCache]: Analyzing trace with hash -1001167155, now seen corresponding path program 5 times [2020-10-27 22:38:27,980 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:38:27,980 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [939516244] [2020-10-27 22:38:27,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:38:28,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:28,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:28,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:28,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:28,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:28,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:28,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:28,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:28,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:28,326 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:28,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:28,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:28,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:28,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:29,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:29,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:29,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:29,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:29,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:31,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:31,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:31,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:31,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:31,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:31,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:31,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:31,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:31,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:32,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:33,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:33,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 184 [2020-10-27 22:38:33,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 28 [2020-10-27 22:38:33,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-27 22:38:33,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:33,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-27 22:38:33,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 22:38:33,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-27 22:38:33,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:33,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:38:33,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:33,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:33,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:33,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:38:33,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:33,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:38:33,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:33,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:33,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:33,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:33,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:33,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:38:33,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:33,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:33,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:33,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:33,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:33,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:34,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:35,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:35,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:35,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:35,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:35,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:35,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:35,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:35,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:35,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:35,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:35,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:35,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:35,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:35,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:35,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:35,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:35,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:35,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:38,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:38,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 168 [2020-10-27 22:38:38,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 24 [2020-10-27 22:38:38,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-27 22:38:38,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:38,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 22:38:38,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:38:38,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-27 22:38:38,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:38,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:38,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:38,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:38,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:38,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:38,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:38,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:43,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:43,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:38:43,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 22:38:43,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-27 22:38:43,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:43,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:38:43,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:43,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-27 22:38:43,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:43,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:43,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:43,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:43,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:43,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:38:43,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:43,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 22:38:43,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:43,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:38:43,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:43,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 22:38:43,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:43,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:43,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:43,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:43,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:43,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:38:43,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:43,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:38:43,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:43,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:43,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:43,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:43,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:43,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:43,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:43,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:43,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:43,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:43,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:43,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:38:43,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:43,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:43,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:43,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:43,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:43,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:38:43,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:43,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:43,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:43,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:38:43,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:43,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:38:43,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:43,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:43,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:43,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:43,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:43,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:38:43,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:43,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:43,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:43,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:43,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:43,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:38:43,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:43,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:43,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:43,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:43,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:43,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:38:43,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:43,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:43,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:43,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:43,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:38:43,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:38:43,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-27 22:38:43,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:43,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:38:43,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:43,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:38:43,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:43,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:43,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:43,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:43,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:43,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:43,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:43,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:38:43,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:43,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:38:43,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:43,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:38:43,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:38:43,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:38:43,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:43,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:43,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:43,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:38:43,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:43,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:38:43,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:43,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:38:43,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:43,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:38:43,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:43,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 22:38:43,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:43,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:43,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:43,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:43,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:43,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:43,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:43,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:43,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:44,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:44,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:44,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:44,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:44,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:45,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:48,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:48,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:38:48,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-27 22:38:48,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 22:38:48,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:48,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 22:38:48,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:38:48,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-27 22:38:48,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:48,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:48,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:48,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:48,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:48,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:48,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:48,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:48,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:49,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:49,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:38:49,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 22:38:49,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 685 [2020-10-27 22:38:49,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:49,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:38:49,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:49,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 22:38:49,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:49,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:49,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:49,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:49,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:49,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:49,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:49,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:38:49,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:38:49,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-10-27 22:38:49,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:49,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:38:49,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:49,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:38:49,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:49,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:49,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:49,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:49,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:49,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:49,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:49,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:38:49,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 22:38:49,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:49,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:38:49,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:49,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:38:49,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:49,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:38:49,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:49,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:49,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:49,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:38:49,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:49,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:38:49,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:49,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:38:49,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:49,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:38:49,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:49,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:38:49,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:49,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:49,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:49,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:49,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:49,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:38:49,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:49,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:38:49,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:49,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:38:49,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:49,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:38:49,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:49,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:49,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:49,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:49,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:49,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:38:49,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:38:49,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 72 [2020-10-27 22:38:49,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:49,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:38:49,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:49,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:38:49,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:49,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:38:49,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:49,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:49,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:49,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:49,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:38:49,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:38:49,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 22:38:49,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:49,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:38:49,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:49,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:38:49,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:49,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:38:49,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:49,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:49,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:49,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:38:49,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:49,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:38:49,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:49,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:38:49,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:49,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:38:49,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:49,502 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 187 proven. 100 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2020-10-27 22:38:49,502 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [939516244] [2020-10-27 22:38:49,506 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:38:49,506 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-27 22:38:49,507 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049630247] [2020-10-27 22:38:49,507 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-27 22:38:49,508 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:38:49,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-27 22:38:49,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=293, Unknown=0, NotChecked=0, Total=342 [2020-10-27 22:38:49,509 INFO L87 Difference]: Start difference. First operand 89 states and 121 transitions. Second operand 19 states. [2020-10-27 22:38:51,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:38:51,585 INFO L93 Difference]: Finished difference Result 202 states and 321 transitions. [2020-10-27 22:38:51,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-27 22:38:51,586 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 138 [2020-10-27 22:38:51,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:38:51,589 INFO L225 Difference]: With dead ends: 202 [2020-10-27 22:38:51,589 INFO L226 Difference]: Without dead ends: 105 [2020-10-27 22:38:51,591 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 364 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=288, Invalid=1518, Unknown=0, NotChecked=0, Total=1806 [2020-10-27 22:38:51,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2020-10-27 22:38:51,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 95. [2020-10-27 22:38:51,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-10-27 22:38:51,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 126 transitions. [2020-10-27 22:38:51,606 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 126 transitions. Word has length 138 [2020-10-27 22:38:51,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:38:51,607 INFO L481 AbstractCegarLoop]: Abstraction has 95 states and 126 transitions. [2020-10-27 22:38:51,607 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-27 22:38:51,607 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 126 transitions. [2020-10-27 22:38:51,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-10-27 22:38:51,610 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:38:51,611 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 12, 12, 11, 10, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 5, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:38:51,611 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-27 22:38:51,611 INFO L429 AbstractCegarLoop]: === Iteration 17 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:38:51,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:38:51,612 INFO L82 PathProgramCache]: Analyzing trace with hash 396511307, now seen corresponding path program 6 times [2020-10-27 22:38:51,612 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:38:51,612 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1567480260] [2020-10-27 22:38:51,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:38:51,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:51,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:51,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:51,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:51,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:51,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:51,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:51,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:51,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:51,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:51,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:51,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:51,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:52,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:52,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:52,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:52,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:52,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:53,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:55,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:56,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:56,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 254 [2020-10-27 22:38:56,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-27 22:38:56,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-27 22:38:56,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:56,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:38:56,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31 [2020-10-27 22:38:56,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 22:38:56,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:56,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:38:56,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:56,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:56,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:38:56,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:38:56,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:38:56,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:38:56,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:38:56,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:38:56,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:38:56,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:38:56,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:38:56,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:38:56,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:38:56,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:56,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:56,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:56,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:56,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:56,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:56,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:57,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:59,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:38:59,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:01,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:01,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 238 [2020-10-27 22:39:01,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 22:39:01,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-27 22:39:01,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:01,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:39:01,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-27 22:39:01,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 22:39:01,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:01,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:39:01,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:01,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:01,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:01,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:01,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:01,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:01,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:01,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:01,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:01,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:02,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:02,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:02,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:02,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:02,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:02,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:02,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:03,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:03,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:03,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:06,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:06,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-10-27 22:39:06,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-27 22:39:06,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5013 [2020-10-27 22:39:06,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:06,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 22:39:06,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 22:39:06,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-27 22:39:06,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:06,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:39:06,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:06,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:06,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:06,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:06,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:06,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:06,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:07,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:07,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:07,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:09,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:09,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-27 22:39:09,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-27 22:39:09,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2754 [2020-10-27 22:39:09,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:09,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 22:39:09,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:39:09,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 22:39:09,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:09,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:39:09,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:09,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:09,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:09,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:09,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:09,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:39:09,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:39:09,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-27 22:39:09,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:09,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:39:09,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:09,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:39:09,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:09,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:39:09,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:09,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:09,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:09,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:09,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:39:09,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:39:09,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:39:09,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:09,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:39:09,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:09,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:39:09,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:09,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:39:09,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:09,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:09,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:09,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:39:09,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:09,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:39:09,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:09,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:39:09,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:09,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:39:09,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:09,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:39:09,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:09,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:09,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:09,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:09,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:09,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:39:09,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:39:09,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-27 22:39:09,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:09,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:39:09,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:39:09,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 22:39:09,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:09,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:39:09,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:09,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:09,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:09,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:09,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:39:09,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:39:09,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:39:09,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:09,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:39:09,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:09,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:39:09,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:09,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:39:09,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:09,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:09,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:09,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:39:09,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:09,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:39:09,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:09,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:39:09,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:09,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:39:09,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:09,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-27 22:39:09,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:09,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:09,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:09,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:39:09,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:09,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 22:39:09,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:09,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:39:09,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-10-27 22:39:09,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:39:09,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:09,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:39:09,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:09,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:09,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:09,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:39:09,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:09,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:39:09,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:09,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:39:09,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:09,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:39:09,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:09,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:39:09,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:09,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:09,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:09,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:39:09,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:09,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:39:09,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:09,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:39:09,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:09,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:39:09,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:09,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:39:09,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:09,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:09,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:09,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:39:09,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:09,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:39:09,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:09,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:39:09,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:09,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:39:09,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:09,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:39:09,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:09,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:09,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:09,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:39:09,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:09,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:39:09,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:09,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:39:09,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:09,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:39:09,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:09,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:39:09,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:09,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:09,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:09,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:39:09,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:09,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:39:09,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:09,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:39:09,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:09,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:39:09,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:09,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:39:09,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:09,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:09,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:09,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:39:09,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:09,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:39:09,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:09,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:39:09,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:09,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:39:09,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:09,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:39:09,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:09,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:09,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:09,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:39:09,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:09,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:39:09,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:09,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:39:09,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:09,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:39:09,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:09,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:39:09,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:09,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:09,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:09,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:39:09,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:09,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:39:09,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:09,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:39:09,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:09,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:39:09,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:09,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-27 22:39:09,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:09,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:09,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:09,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:39:09,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:09,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 22:39:09,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:09,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:39:09,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-10-27 22:39:09,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:39:09,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:09,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:39:09,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:09,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:09,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:09,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:39:09,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:09,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:39:09,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:09,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:39:09,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:09,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:39:09,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:09,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:39:09,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:09,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:09,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:09,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:39:09,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:09,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:39:09,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:09,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:39:09,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:09,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:39:09,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:09,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:39:09,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:09,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:09,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:09,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:39:09,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:09,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:39:09,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:09,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:39:09,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:09,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:39:09,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:09,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:39:09,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:09,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:09,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:09,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:39:09,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:09,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:39:09,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:09,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:39:09,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:09,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:39:09,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:09,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:39:09,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:09,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:09,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:09,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:39:09,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:09,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:39:09,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:09,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:39:09,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:09,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:39:09,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:09,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:39:09,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:09,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:09,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:09,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:39:09,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:09,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:39:09,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:09,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:39:09,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:09,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:39:09,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:09,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:39:09,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:09,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:09,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:09,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:39:09,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:09,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:39:09,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:09,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:39:09,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:09,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:39:09,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:09,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:39:09,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:09,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:09,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:09,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:39:09,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:09,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:39:09,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:09,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:39:09,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:09,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:39:09,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:10,036 INFO L134 CoverageAnalysis]: Checked inductivity of 928 backedges. 82 proven. 271 refuted. 0 times theorem prover too weak. 575 trivial. 0 not checked. [2020-10-27 22:39:10,036 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1567480260] [2020-10-27 22:39:10,036 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:39:10,036 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-27 22:39:10,037 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225131454] [2020-10-27 22:39:10,037 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-27 22:39:10,037 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:39:10,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-27 22:39:10,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2020-10-27 22:39:10,038 INFO L87 Difference]: Start difference. First operand 95 states and 126 transitions. Second operand 14 states. [2020-10-27 22:39:10,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:39:10,685 INFO L93 Difference]: Finished difference Result 183 states and 255 transitions. [2020-10-27 22:39:10,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 22:39:10,686 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 192 [2020-10-27 22:39:10,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:39:10,688 INFO L225 Difference]: With dead ends: 183 [2020-10-27 22:39:10,688 INFO L226 Difference]: Without dead ends: 95 [2020-10-27 22:39:10,689 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=85, Invalid=335, Unknown=0, NotChecked=0, Total=420 [2020-10-27 22:39:10,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2020-10-27 22:39:10,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2020-10-27 22:39:10,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-10-27 22:39:10,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 125 transitions. [2020-10-27 22:39:10,713 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 125 transitions. Word has length 192 [2020-10-27 22:39:10,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:39:10,713 INFO L481 AbstractCegarLoop]: Abstraction has 95 states and 125 transitions. [2020-10-27 22:39:10,713 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-27 22:39:10,714 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 125 transitions. [2020-10-27 22:39:10,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-10-27 22:39:10,719 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:39:10,720 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 14, 14, 12, 11, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:39:10,720 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-27 22:39:10,720 INFO L429 AbstractCegarLoop]: === Iteration 18 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:39:10,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:39:10,721 INFO L82 PathProgramCache]: Analyzing trace with hash 1785340572, now seen corresponding path program 7 times [2020-10-27 22:39:10,721 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:39:10,721 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1040239190] [2020-10-27 22:39:10,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:39:10,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:10,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:10,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:10,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:10,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:10,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:10,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:10,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:11,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:11,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:11,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:11,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:12,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:12,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:12,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:12,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:12,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:12,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:12,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:12,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:12,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:12,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:13,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:13,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:13,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:13,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:13,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:15,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:15,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 272 [2020-10-27 22:39:15,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 26 [2020-10-27 22:39:15,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-10-27 22:39:15,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:15,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-27 22:39:15,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 25 [2020-10-27 22:39:15,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-27 22:39:15,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:15,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:39:15,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:15,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:15,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:15,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:39:15,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:15,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:39:15,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:15,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:39:15,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:15,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:39:15,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:15,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:39:15,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:15,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:15,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:15,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:15,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:15,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:16,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:16,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:16,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:16,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:16,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:16,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:18,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:20,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:20,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 256 [2020-10-27 22:39:20,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-27 22:39:20,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-27 22:39:20,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:20,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-27 22:39:20,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 22:39:20,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-27 22:39:20,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:20,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:39:20,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:20,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:20,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:20,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:20,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:21,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:21,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:21,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:21,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:21,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:21,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:21,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:21,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:21,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:21,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:21,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:21,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:21,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:24,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:24,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:24,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:24,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:25,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:25,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:25,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 168 [2020-10-27 22:39:25,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 22 [2020-10-27 22:39:25,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-27 22:39:25,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:25,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-27 22:39:25,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:39:25,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-27 22:39:25,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:25,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:39:25,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:25,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:25,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:25,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:25,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:25,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:30,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:30,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:39:30,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 22:39:30,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 22:39:30,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:30,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 22:39:30,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:30,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-27 22:39:30,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:30,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:39:30,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:30,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:30,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:30,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:31,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:31,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:39:31,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:39:31,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 290 [2020-10-27 22:39:31,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:31,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:39:31,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:31,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 22:39:31,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:31,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:39:31,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:31,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:31,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:31,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:31,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:39:31,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:39:31,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-27 22:39:31,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:31,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:39:31,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:31,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:39:31,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:31,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:39:31,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:31,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:31,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:31,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:39:31,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:31,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:39:31,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:31,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:39:31,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:31,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:39:31,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:31,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:39:31,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:31,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:31,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:31,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:39:31,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:31,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:39:31,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:31,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:39:31,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:31,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:39:31,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:31,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:39:31,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:31,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:31,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:31,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:39:31,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:31,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:39:31,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:31,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:39:31,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:31,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:39:31,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:31,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:39:31,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:31,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:31,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:31,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:39:31,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:31,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 22:39:31,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:31,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:39:31,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:31,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 22:39:31,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:31,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:39:31,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:31,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:31,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:31,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:39:31,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:31,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:39:31,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:31,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:39:31,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:31,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:39:31,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:31,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:39:31,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:31,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:31,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:31,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:39:31,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:31,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:39:31,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:31,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:39:31,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:31,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:39:31,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:31,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 22:39:31,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:31,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:31,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:31,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:31,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:31,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:31,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:31,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:31,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:31,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:31,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:32,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:32,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:32,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:32,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:36,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:36,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:39:36,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-27 22:39:36,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 22:39:36,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:36,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 22:39:36,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:39:36,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-27 22:39:36,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:36,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:39:36,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:36,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:36,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:36,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:36,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:36,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:36,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:37,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:37,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:39:37,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 22:39:37,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 421 [2020-10-27 22:39:37,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:37,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:39:37,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:37,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 22:39:37,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:37,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:39:37,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:37,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:37,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:37,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:37,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:37,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:39:37,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:39:37,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-27 22:39:37,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:37,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 22:39:37,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:37,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:39:37,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:37,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:39:37,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:37,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:37,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:37,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:39:37,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:37,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:39:37,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:37,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:39:37,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:37,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:39:37,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:37,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:39:37,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:37,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:37,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:37,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:39:37,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:37,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:39:37,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:37,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:39:37,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:37,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:39:37,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:37,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:39:37,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:37,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:37,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:37,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:39:37,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:37,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:39:37,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:37,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:39:37,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:37,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:39:37,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:37,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:39:37,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:37,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:37,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:37,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:37,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:37,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:39:37,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:39:37,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-27 22:39:37,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:37,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:39:37,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:37,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:39:37,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:37,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:39:37,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:37,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:37,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:37,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:37,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:39:37,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:39:37,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 22:39:37,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:37,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:39:37,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:37,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:39:37,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:37,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:39:37,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:37,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:37,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:37,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:39:37,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:37,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:39:37,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:37,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:39:37,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:37,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:39:37,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:37,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-27 22:39:37,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:37,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:37,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:37,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:39:37,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:37,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 22:39:37,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:37,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:39:37,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-10-27 22:39:37,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:39:37,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:37,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:39:37,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:37,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:37,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:37,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:39:37,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:37,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:39:37,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:37,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:39:37,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:37,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:39:37,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:37,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:39:37,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:37,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:37,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:37,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:39:37,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:37,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:39:37,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:37,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:39:37,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:37,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:39:37,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:37,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:39:37,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:37,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:37,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:37,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:39:37,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:37,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:39:37,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:37,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:39:37,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:37,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:39:37,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:37,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:39:37,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:37,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:37,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:37,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:39:37,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:37,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:39:37,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:37,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:39:37,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:37,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:39:37,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:37,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:39:37,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:37,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:37,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:37,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:39:37,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:37,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:39:37,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:37,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:39:37,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:37,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:39:37,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:37,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:39:37,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:37,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:37,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:37,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:39:37,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:37,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:39:37,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:37,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:39:37,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:37,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:39:37,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:37,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:39:37,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:37,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:37,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:37,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:39:37,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:37,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:39:37,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:37,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:39:37,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:37,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:39:37,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:37,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:39:37,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:37,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:37,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:37,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:39:37,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:37,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:39:37,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:37,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:39:37,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:37,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:39:37,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:37,513 INFO L134 CoverageAnalysis]: Checked inductivity of 1073 backedges. 190 proven. 388 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2020-10-27 22:39:37,514 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1040239190] [2020-10-27 22:39:37,514 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:39:37,514 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-10-27 22:39:37,514 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375801534] [2020-10-27 22:39:37,515 INFO L461 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-10-27 22:39:37,515 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:39:37,516 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-10-27 22:39:37,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=521, Unknown=0, NotChecked=0, Total=600 [2020-10-27 22:39:37,516 INFO L87 Difference]: Start difference. First operand 95 states and 125 transitions. Second operand 25 states. [2020-10-27 22:39:40,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:39:40,203 INFO L93 Difference]: Finished difference Result 218 states and 329 transitions. [2020-10-27 22:39:40,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-10-27 22:39:40,204 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 206 [2020-10-27 22:39:40,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:39:40,206 INFO L225 Difference]: With dead ends: 218 [2020-10-27 22:39:40,206 INFO L226 Difference]: Without dead ends: 123 [2020-10-27 22:39:40,209 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 54 SyntacticMatches, 1 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 591 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=420, Invalid=2232, Unknown=0, NotChecked=0, Total=2652 [2020-10-27 22:39:40,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-10-27 22:39:40,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 119. [2020-10-27 22:39:40,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-10-27 22:39:40,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 160 transitions. [2020-10-27 22:39:40,226 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 160 transitions. Word has length 206 [2020-10-27 22:39:40,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:39:40,226 INFO L481 AbstractCegarLoop]: Abstraction has 119 states and 160 transitions. [2020-10-27 22:39:40,226 INFO L482 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-10-27 22:39:40,226 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 160 transitions. [2020-10-27 22:39:40,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2020-10-27 22:39:40,230 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:39:40,230 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 14, 14, 13, 12, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 6, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:39:40,231 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-27 22:39:40,231 INFO L429 AbstractCegarLoop]: === Iteration 19 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:39:40,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:39:40,231 INFO L82 PathProgramCache]: Analyzing trace with hash 2086345789, now seen corresponding path program 8 times [2020-10-27 22:39:40,231 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:39:40,232 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1313226795] [2020-10-27 22:39:40,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:39:40,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:40,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:40,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:40,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:40,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:40,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:40,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:40,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:40,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:40,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:41,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:42,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:42,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:42,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:42,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:42,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:42,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:42,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:42,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:42,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:42,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:42,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:42,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:42,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:43,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:43,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:43,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:44,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:44,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:44,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:44,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:44,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:45,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:45,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:45,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 290 [2020-10-27 22:39:45,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 32 [2020-10-27 22:39:45,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5018 [2020-10-27 22:39:45,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:45,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-27 22:39:45,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-27 22:39:45,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 155 [2020-10-27 22:39:45,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:45,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:39:45,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:45,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:45,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:45,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:39:45,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:39:45,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:39:45,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:45,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:39:45,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:45,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:39:45,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:45,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:39:45,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:45,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:45,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:45,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:45,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:45,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:45,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:45,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:45,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:45,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:45,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:45,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:45,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:45,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:45,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:45,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:45,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:46,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:46,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:46,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:50,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:50,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 274 [2020-10-27 22:39:50,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-27 22:39:50,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5032 [2020-10-27 22:39:50,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:50,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-27 22:39:50,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 22:39:50,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 155 [2020-10-27 22:39:50,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:50,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:39:50,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:50,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:50,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:50,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:50,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:50,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:50,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:50,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:50,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:50,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:50,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:50,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:50,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:51,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:51,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:51,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:52,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:52,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:52,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:52,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:52,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:55,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:39:55,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-27 22:39:55,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 20 [2020-10-27 22:39:55,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-27 22:39:55,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:39:55,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-27 22:39:55,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:39:55,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-27 22:39:55,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:39:55,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:39:55,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:39:55,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:55,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:55,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:55,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:55,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:55,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:55,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:55,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:55,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:55,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:55,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:55,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:59,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:39:59,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:00,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:00,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:40:00,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-27 22:40:00,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 22:40:00,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:00,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 22:40:00,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:00,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-27 22:40:00,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:00,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:40:00,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:00,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:00,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:00,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:00,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:00,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:00,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:01,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:01,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:40:01,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 22:40:01,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1426 [2020-10-27 22:40:01,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:01,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 22:40:01,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:01,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 22:40:01,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:01,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:40:01,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:01,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:01,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:01,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:02,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:02,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:40:02,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:40:02,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-10-27 22:40:02,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:02,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 22:40:02,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:02,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 22:40:02,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:02,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:40:02,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:02,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:02,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:02,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:40:02,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:02,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:40:02,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:02,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:40:02,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:02,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:40:02,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:02,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:40:02,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:02,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:02,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:02,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:40:02,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:02,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:40:02,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:02,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:40:02,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:02,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:40:02,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:02,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:40:02,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:02,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:02,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:02,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:40:02,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:02,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:40:02,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:02,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:40:02,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:02,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 22:40:02,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:02,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:40:02,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:02,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:02,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:02,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:40:02,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:02,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:40:02,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:02,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:40:02,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:02,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 22:40:02,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:02,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:40:02,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:02,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:02,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:02,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:40:02,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:02,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:40:02,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:02,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:40:02,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:02,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:40:02,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:02,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:40:02,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:02,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:02,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:02,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:40:02,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:02,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:40:02,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:02,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:40:02,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:02,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:40:02,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:02,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 22:40:02,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:02,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:02,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:02,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:40:02,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:02,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 22:40:02,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:02,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:40:02,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:02,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 22:40:02,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:02,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:40:02,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:02,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:02,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:02,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:40:02,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:02,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:40:02,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:02,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:40:02,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:02,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:40:02,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:02,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:40:02,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:02,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:02,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:02,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:40:02,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:02,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:40:02,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:02,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:40:02,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:02,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:40:02,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:02,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:40:02,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:02,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:02,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:02,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:40:02,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:02,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:40:02,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:02,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:40:02,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:02,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:40:02,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:02,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:40:02,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:02,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:02,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:02,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:40:02,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:02,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:40:02,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:02,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:40:02,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:02,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:40:02,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:02,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-27 22:40:02,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:02,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:02,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:02,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:02,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:02,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:02,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:02,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:02,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:02,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:06,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:06,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:07,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:07,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-27 22:40:07,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 11 [2020-10-27 22:40:07,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 22:40:07,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:07,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 22:40:07,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 22:40:07,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-10-27 22:40:07,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:07,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:40:07,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:07,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:07,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:07,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 22:40:07,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:07,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 22:40:07,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:07,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:40:07,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:07,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-27 22:40:07,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:07,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:40:07,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:07,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:07,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:07,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:40:07,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:07,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:40:07,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:07,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:40:07,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:07,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:40:07,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:07,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:40:07,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:07,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:07,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:07,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:40:07,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:07,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:40:07,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:07,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:40:07,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:07,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:40:07,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:07,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:40:07,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:07,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:07,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:07,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:40:07,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:07,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:40:07,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:07,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:40:07,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:07,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:40:07,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:07,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:40:07,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:07,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:07,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:07,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:40:07,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:07,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:40:07,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:07,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:40:07,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:07,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:40:07,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:07,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:40:07,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:07,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:07,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:07,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:40:07,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:07,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:40:07,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:07,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:40:07,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:07,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:40:07,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:07,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 22:40:07,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:07,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:07,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:07,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:40:07,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:07,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:40:07,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:07,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:40:07,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:07,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:40:07,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:07,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:40:07,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:07,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:07,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:07,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:40:07,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:07,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:40:07,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:07,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:40:07,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:07,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:40:07,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:07,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:40:07,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:07,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:07,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:07,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:40:07,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:07,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:40:07,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:07,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:40:07,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:07,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:40:07,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:07,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-27 22:40:07,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:07,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:07,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:07,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:07,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:07,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:07,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:08,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:08,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 22:40:08,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 22:40:08,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 704 [2020-10-27 22:40:08,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:08,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 22:40:08,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:08,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 22:40:08,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:08,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:40:08,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:08,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:08,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:08,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 22:40:08,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:08,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 22:40:08,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:08,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:40:08,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:08,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 22:40:08,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:08,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 22:40:08,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:08,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:08,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:08,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:40:08,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:08,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:40:08,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:08,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:40:08,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:08,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:40:08,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:08,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 22:40:08,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:08,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:08,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:08,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:40:08,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:40:08,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 22:40:08,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:08,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:40:08,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:08,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:40:08,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:08,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 22:40:08,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:08,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:08,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:40:08,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:40:08,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 22:40:08,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:40:08,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 22:40:08,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:40:08,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 22:40:08,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:40:08,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 22:40:08,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:40:08,227 INFO L134 CoverageAnalysis]: Checked inductivity of 1248 backedges. 209 proven. 316 refuted. 0 times theorem prover too weak. 723 trivial. 0 not checked. [2020-10-27 22:40:08,229 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1313226795] [2020-10-27 22:40:08,230 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 22:40:08,230 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-27 22:40:08,230 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1035975260] [2020-10-27 22:40:08,232 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-27 22:40:08,232 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:40:08,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-27 22:40:08,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2020-10-27 22:40:08,233 INFO L87 Difference]: Start difference. First operand 119 states and 160 transitions. Second operand 18 states. [2020-10-27 22:40:09,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:40:09,758 INFO L93 Difference]: Finished difference Result 260 states and 389 transitions. [2020-10-27 22:40:09,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-27 22:40:09,759 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 220 [2020-10-27 22:40:09,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:40:09,762 INFO L225 Difference]: With dead ends: 260 [2020-10-27 22:40:09,762 INFO L226 Difference]: Without dead ends: 144 [2020-10-27 22:40:09,764 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 60 SyntacticMatches, 2 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=177, Invalid=879, Unknown=0, NotChecked=0, Total=1056 [2020-10-27 22:40:09,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2020-10-27 22:40:09,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 133. [2020-10-27 22:40:09,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2020-10-27 22:40:09,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 185 transitions. [2020-10-27 22:40:09,796 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 185 transitions. Word has length 220 [2020-10-27 22:40:09,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:40:09,800 INFO L481 AbstractCegarLoop]: Abstraction has 133 states and 185 transitions. [2020-10-27 22:40:09,800 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-27 22:40:09,801 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 185 transitions. [2020-10-27 22:40:09,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2020-10-27 22:40:09,805 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:40:09,805 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 16, 16, 13, 13, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 5, 5, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:40:09,805 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-27 22:40:09,805 INFO L429 AbstractCegarLoop]: === Iteration 20 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 22:40:09,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:40:09,806 INFO L82 PathProgramCache]: Analyzing trace with hash -1515366197, now seen corresponding path program 9 times [2020-10-27 22:40:09,806 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:40:09,806 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [80712310] [2020-10-27 22:40:09,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:40:09,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:40:09,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... 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