/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=SHALLOWEST --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_6-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 04:04:28,992 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 04:04:28,996 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 04:04:29,054 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 04:04:29,055 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 04:04:29,063 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 04:04:29,065 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 04:04:29,069 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 04:04:29,072 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 04:04:29,080 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 04:04:29,083 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 04:04:29,084 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 04:04:29,084 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 04:04:29,088 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 04:04:29,090 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 04:04:29,091 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 04:04:29,092 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 04:04:29,096 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 04:04:29,104 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 04:04:29,108 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 04:04:29,111 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 04:04:29,112 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 04:04:29,114 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 04:04:29,116 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 04:04:29,142 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 04:04:29,143 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 04:04:29,143 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 04:04:29,144 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 04:04:29,145 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 04:04:29,148 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 04:04:29,148 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 04:04:29,149 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 04:04:29,151 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 04:04:29,151 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 04:04:29,152 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 04:04:29,153 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 04:04:29,153 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 04:04:29,154 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 04:04:29,154 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 04:04:29,155 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 04:04:29,156 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 04:04:29,157 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 04:04:29,209 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 04:04:29,209 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 04:04:29,213 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 04:04:29,213 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 04:04:29,214 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 04:04:29,214 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 04:04:29,214 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 04:04:29,214 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 04:04:29,214 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 04:04:29,215 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 04:04:29,216 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 04:04:29,216 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 04:04:29,216 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 04:04:29,217 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 04:04:29,217 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 04:04:29,217 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 04:04:29,217 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 04:04:29,217 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 04:04:29,218 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 04:04:29,218 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 04:04:29,218 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 04:04:29,218 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 04:04:29,219 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 04:04:29,219 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 04:04:29,219 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 04:04:29,219 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 04:04:29,219 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 04:04:29,220 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 04:04:29,220 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 04:04:29,220 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 04:04:29,643 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 04:04:29,694 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 04:04:29,697 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 04:04:29,699 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 04:04:29,700 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 04:04:29,701 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_6-1.c [2020-10-27 04:04:29,793 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b5763d5af/b9db4cacd88b482a8d7b7710862378c5/FLAG302fb1d22 [2020-10-27 04:04:30,349 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 04:04:30,350 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/fibo_2calls_6-1.c [2020-10-27 04:04:30,358 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b5763d5af/b9db4cacd88b482a8d7b7710862378c5/FLAG302fb1d22 [2020-10-27 04:04:30,723 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b5763d5af/b9db4cacd88b482a8d7b7710862378c5 [2020-10-27 04:04:30,728 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 04:04:30,736 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 04:04:30,741 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 04:04:30,741 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 04:04:30,745 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 04:04:30,746 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 04:04:30" (1/1) ... [2020-10-27 04:04:30,755 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@88d1a63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:04:30, skipping insertion in model container [2020-10-27 04:04:30,755 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 04:04:30" (1/1) ... [2020-10-27 04:04:30,765 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 04:04:30,784 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 04:04:30,990 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 04:04:31,001 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 04:04:31,020 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 04:04:31,037 INFO L208 MainTranslator]: Completed translation [2020-10-27 04:04:31,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:04:31 WrapperNode [2020-10-27 04:04:31,038 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 04:04:31,039 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 04:04:31,039 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 04:04:31,039 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 04:04:31,052 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:04:31" (1/1) ... [2020-10-27 04:04:31,052 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:04:31" (1/1) ... [2020-10-27 04:04:31,060 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:04:31" (1/1) ... [2020-10-27 04:04:31,060 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:04:31" (1/1) ... [2020-10-27 04:04:31,066 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:04:31" (1/1) ... [2020-10-27 04:04:31,068 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:04:31" (1/1) ... [2020-10-27 04:04:31,069 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:04:31" (1/1) ... [2020-10-27 04:04:31,071 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 04:04:31,072 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 04:04:31,073 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 04:04:31,073 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 04:04:31,074 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:04:31" (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 04:04:31,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 04:04:31,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 04:04:31,155 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 04:04:31,155 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2020-10-27 04:04:31,155 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2020-10-27 04:04:31,156 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 04:04:31,156 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 04:04:31,156 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 04:04:31,156 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 04:04:31,156 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 04:04:31,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 04:04:31,157 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2020-10-27 04:04:31,157 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2020-10-27 04:04:31,157 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 04:04:31,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 04:04:31,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 04:04:31,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 04:04:31,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 04:04:31,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 04:04:31,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 04:04:31,658 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 04:04:31,658 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-27 04:04:31,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 04:04:31 BoogieIcfgContainer [2020-10-27 04:04:31,660 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 04:04:31,664 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 04:04:31,664 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 04:04:31,668 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 04:04:31,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 04:04:30" (1/3) ... [2020-10-27 04:04:31,669 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f5c3966 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 04:04:31, skipping insertion in model container [2020-10-27 04:04:31,670 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:04:31" (2/3) ... [2020-10-27 04:04:31,670 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f5c3966 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 04:04:31, skipping insertion in model container [2020-10-27 04:04:31,670 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 04:04:31" (3/3) ... [2020-10-27 04:04:31,672 INFO L111 eAbstractionObserver]: Analyzing ICFG fibo_2calls_6-1.c [2020-10-27 04:04:31,686 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 04:04:31,706 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 04:04:31,719 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 04:04:31,760 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 04:04:31,760 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 04:04:31,760 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 04:04:31,760 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 04:04:31,761 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 04:04:31,761 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 04:04:31,761 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 04:04:31,761 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 04:04:31,784 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states. [2020-10-27 04:04:31,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-27 04:04:31,793 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:04:31,794 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:04:31,795 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:04:31,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:04:31,804 INFO L82 PathProgramCache]: Analyzing trace with hash 219823047, now seen corresponding path program 1 times [2020-10-27 04:04:31,814 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:04:31,815 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2067947507] [2020-10-27 04:04:31,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:04:31,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:32,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:32,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:32,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-27 04:04:32,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:32,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 346 [2020-10-27 04:04:32,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:32,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:04:32,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:04:32,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:04:32,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 04:04:32,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:04:32,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:32,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:32,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:32,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:04:32,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:32,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 04:04:32,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:32,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:04:32,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:32,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:04:32,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:32,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:04:32,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:32,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:32,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:32,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:04:32,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:32,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 04:04:32,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:32,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:04:32,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:04:32,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:04:32,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:32,505 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 04:04:32,506 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2067947507] [2020-10-27 04:04:32,508 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 04:04:32,508 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 04:04:32,509 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512595716] [2020-10-27 04:04:32,513 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 04:04:32,514 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:04:32,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 04:04:32,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-27 04:04:32,530 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 6 states. [2020-10-27 04:04:32,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:04:32,830 INFO L93 Difference]: Finished difference Result 50 states and 60 transitions. [2020-10-27 04:04:32,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 04:04:32,832 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2020-10-27 04:04:32,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:04:32,842 INFO L225 Difference]: With dead ends: 50 [2020-10-27 04:04:32,842 INFO L226 Difference]: Without dead ends: 32 [2020-10-27 04:04:32,846 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-27 04:04:32,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-10-27 04:04:32,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2020-10-27 04:04:32,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-10-27 04:04:32,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2020-10-27 04:04:32,932 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 39 transitions. Word has length 15 [2020-10-27 04:04:32,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:04:32,933 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 39 transitions. [2020-10-27 04:04:32,933 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 04:04:32,933 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2020-10-27 04:04:32,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-10-27 04:04:32,937 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:04:32,938 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:04:32,938 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 04:04:32,939 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:04:32,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:04:32,940 INFO L82 PathProgramCache]: Analyzing trace with hash -1220716726, now seen corresponding path program 1 times [2020-10-27 04:04:32,940 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:04:32,941 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1014557335] [2020-10-27 04:04:32,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:04:32,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:32,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:33,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:33,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 04:04:33,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:33,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 128 [2020-10-27 04:04:33,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:33,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:04:33,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:04:33,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:04:33,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 04:04:33,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:04:33,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:33,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:33,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:33,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:04:33,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:33,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 04:04:33,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:33,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:04:33,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:33,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:04:33,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 04:04:33,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:04:33,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:33,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:33,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:33,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:04:33,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:33,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 04:04:33,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:33,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 04:04:33,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:04:33,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:04:33,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:33,281 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 04:04:33,282 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1014557335] [2020-10-27 04:04:33,282 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 04:04:33,282 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 04:04:33,283 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770297096] [2020-10-27 04:04:33,286 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 04:04:33,287 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:04:33,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 04:04:33,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-27 04:04:33,288 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. Second operand 6 states. [2020-10-27 04:04:33,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:04:33,512 INFO L93 Difference]: Finished difference Result 39 states and 47 transitions. [2020-10-27 04:04:33,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-27 04:04:33,513 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2020-10-27 04:04:33,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:04:33,515 INFO L225 Difference]: With dead ends: 39 [2020-10-27 04:04:33,515 INFO L226 Difference]: Without dead ends: 34 [2020-10-27 04:04:33,516 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-27 04:04:33,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-10-27 04:04:33,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2020-10-27 04:04:33,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-10-27 04:04:33,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2020-10-27 04:04:33,527 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 39 transitions. Word has length 16 [2020-10-27 04:04:33,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:04:33,528 INFO L481 AbstractCegarLoop]: Abstraction has 32 states and 39 transitions. [2020-10-27 04:04:33,528 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 04:04:33,528 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2020-10-27 04:04:33,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-27 04:04:33,530 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:04:33,530 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 04:04:33,530 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 04:04:33,530 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:04:33,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:04:33,531 INFO L82 PathProgramCache]: Analyzing trace with hash 2083135015, now seen corresponding path program 1 times [2020-10-27 04:04:33,531 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:04:33,531 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [122373974] [2020-10-27 04:04:33,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:04:33,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:33,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:33,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:33,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:34,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:34,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-27 04:04:34,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:04:34,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 766 [2020-10-27 04:04:34,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:34,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 04:04:34,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:04:34,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-27 04:04:34,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 04:04:34,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:04:34,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:34,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:34,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:34,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:04:34,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:34,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:04:34,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:34,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:04:34,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:34,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:04:34,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:34,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:04:34,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:34,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:34,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:34,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:34,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:34,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 04:04:34,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:04:34,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-27 04:04:34,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:34,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 04:04:34,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:04:34,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 04:04:34,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:34,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:04:34,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:34,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:34,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:34,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:04:34,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:34,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 04:04:34,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:34,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:04:34,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:34,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:04:34,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:34,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 04:04:34,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:34,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:34,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:34,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:04:34,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:34,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 04:04:34,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:34,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:04:34,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:34,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:04:34,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:34,559 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 04:04:34,560 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [122373974] [2020-10-27 04:04:34,560 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:04:34,560 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-27 04:04:34,561 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906192298] [2020-10-27 04:04:34,561 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 04:04:34,561 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:04:34,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 04:04:34,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-27 04:04:34,562 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. Second operand 8 states. [2020-10-27 04:04:34,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:04:34,898 INFO L93 Difference]: Finished difference Result 44 states and 55 transitions. [2020-10-27 04:04:34,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-27 04:04:34,899 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 28 [2020-10-27 04:04:34,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:04:34,901 INFO L225 Difference]: With dead ends: 44 [2020-10-27 04:04:34,901 INFO L226 Difference]: Without dead ends: 39 [2020-10-27 04:04:34,902 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2020-10-27 04:04:34,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-10-27 04:04:34,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 37. [2020-10-27 04:04:34,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-10-27 04:04:34,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 47 transitions. [2020-10-27 04:04:34,913 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 47 transitions. Word has length 28 [2020-10-27 04:04:34,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:04:34,913 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 47 transitions. [2020-10-27 04:04:34,913 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 04:04:34,914 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2020-10-27 04:04:34,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-27 04:04:34,915 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:04:34,915 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 04:04:34,916 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 04:04:34,916 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:04:34,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:04:34,917 INFO L82 PathProgramCache]: Analyzing trace with hash 1703344845, now seen corresponding path program 1 times [2020-10-27 04:04:34,917 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:04:34,917 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1481629660] [2020-10-27 04:04:34,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:04:34,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:34,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:34,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:35,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:35,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:35,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:35,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-27 04:04:35,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 04:04:35,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 436 [2020-10-27 04:04:35,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:35,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 04:04:35,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:04:35,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 04:04:35,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:35,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:04:35,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:35,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:35,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:35,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:04:35,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:35,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:04:35,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:35,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:04:35,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:35,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:04:35,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:35,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:04:35,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:35,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:35,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:35,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:35,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:35,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:35,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 04:04:35,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 04:04:35,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 183 [2020-10-27 04:04:35,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:35,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 04:04:35,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:04:35,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 04:04:35,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:35,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:04:35,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:35,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:35,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:35,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:04:35,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:35,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:04:35,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:35,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:04:35,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:35,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:04:35,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:35,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:04:35,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:35,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:35,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:35,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:04:35,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:35,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 04:04:35,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:35,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:04:35,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:35,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:04:35,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:35,692 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-27 04:04:35,693 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1481629660] [2020-10-27 04:04:35,693 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 04:04:35,693 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 04:04:35,694 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739131586] [2020-10-27 04:04:35,694 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 04:04:35,694 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:04:35,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 04:04:35,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-27 04:04:35,695 INFO L87 Difference]: Start difference. First operand 37 states and 47 transitions. Second operand 8 states. [2020-10-27 04:04:36,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:04:36,058 INFO L93 Difference]: Finished difference Result 49 states and 65 transitions. [2020-10-27 04:04:36,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-27 04:04:36,059 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 30 [2020-10-27 04:04:36,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:04:36,061 INFO L225 Difference]: With dead ends: 49 [2020-10-27 04:04:36,061 INFO L226 Difference]: Without dead ends: 44 [2020-10-27 04:04:36,062 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2020-10-27 04:04:36,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2020-10-27 04:04:36,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 37. [2020-10-27 04:04:36,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-10-27 04:04:36,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 47 transitions. [2020-10-27 04:04:36,073 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 47 transitions. Word has length 30 [2020-10-27 04:04:36,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:04:36,073 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 47 transitions. [2020-10-27 04:04:36,073 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 04:04:36,074 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2020-10-27 04:04:36,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-27 04:04:36,076 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:04:36,076 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:04:36,076 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 04:04:36,076 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:04:36,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:04:36,077 INFO L82 PathProgramCache]: Analyzing trace with hash 1887052013, now seen corresponding path program 1 times [2020-10-27 04:04:36,077 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:04:36,077 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [573130529] [2020-10-27 04:04:36,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:04:36,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:36,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:36,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:36,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:36,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:36,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:36,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:37,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:38,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:38,255 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:38,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:41,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:41,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 76 [2020-10-27 04:04:41,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 04:04:41,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-27 04:04:41,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:41,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 04:04:41,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:04:41,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-27 04:04:41,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:41,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:04:41,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:41,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:41,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:41,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:04:41,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:41,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:04:41,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:41,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:04:41,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:41,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:04:41,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:41,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:04:41,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:41,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:41,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:41,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:41,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:41,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:41,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:41,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:41,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:41,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:43,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:43,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:43,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:43,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:46,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:46,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-27 04:04:46,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-27 04:04:46,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 04:04:46,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:46,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 04:04:46,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:04:46,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-27 04:04:46,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:46,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:04:46,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:46,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:46,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:46,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:46,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 04:04:46,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:04:46,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-27 04:04:46,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:46,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:04:46,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:46,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-27 04:04:46,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:46,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:04:46,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:46,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:46,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:46,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:04:46,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:46,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:04:46,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:46,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:04:46,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:46,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:04:46,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:46,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 04:04:46,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:46,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:46,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:46,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:04:46,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:46,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:04:46,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:46,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:04:46,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:46,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:04:46,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:46,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 04:04:46,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:46,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:46,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:46,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:46,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:46,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 04:04:46,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:04:46,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 88 [2020-10-27 04:04:46,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:46,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:04:46,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:46,408 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 04:04:46,408 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:46,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:04:46,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:46,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:46,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:46,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:04:46,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:46,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:04:46,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:46,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:04:46,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:46,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:04:46,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 04:04:46,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 04:04:46,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:46,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:46,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:46,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:04:46,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:46,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:04:46,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:46,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:04:46,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:46,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:04:46,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:46,477 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 20 proven. 8 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-10-27 04:04:46,478 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [573130529] [2020-10-27 04:04:46,478 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:04:46,478 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-27 04:04:46,478 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560094680] [2020-10-27 04:04:46,479 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 04:04:46,479 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:04:46,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 04:04:46,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-27 04:04:46,480 INFO L87 Difference]: Start difference. First operand 37 states and 47 transitions. Second operand 9 states. [2020-10-27 04:04:46,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:04:46,936 INFO L93 Difference]: Finished difference Result 54 states and 75 transitions. [2020-10-27 04:04:46,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 04:04:46,937 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 54 [2020-10-27 04:04:46,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:04:46,939 INFO L225 Difference]: With dead ends: 54 [2020-10-27 04:04:46,939 INFO L226 Difference]: Without dead ends: 49 [2020-10-27 04:04:46,940 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2020-10-27 04:04:46,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-10-27 04:04:46,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 42. [2020-10-27 04:04:46,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-10-27 04:04:46,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 56 transitions. [2020-10-27 04:04:46,953 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 56 transitions. Word has length 54 [2020-10-27 04:04:46,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:04:46,953 INFO L481 AbstractCegarLoop]: Abstraction has 42 states and 56 transitions. [2020-10-27 04:04:46,953 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 04:04:46,954 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 56 transitions. [2020-10-27 04:04:46,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-27 04:04:46,956 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:04:46,956 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:04:46,956 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 04:04:46,957 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:04:46,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:04:46,957 INFO L82 PathProgramCache]: Analyzing trace with hash 501472485, now seen corresponding path program 1 times [2020-10-27 04:04:46,957 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:04:46,958 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1544705756] [2020-10-27 04:04:46,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:04:46,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:46,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:46,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:47,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:47,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:47,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:47,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:47,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:47,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:47,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:47,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:51,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:51,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:51,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:51,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-27 04:04:51,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-27 04:04:51,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 04:04:51,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:51,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 04:04:51,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:04:51,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-27 04:04:51,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:52,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:04:52,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:52,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:52,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:52,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:04:52,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:52,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:04:52,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:52,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:04:52,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:52,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:04:52,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:52,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:04:52,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:52,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:52,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:52,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:52,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:52,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:52,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:52,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:52,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:52,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:53,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:53,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:53,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:53,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:57,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:57,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-27 04:04:57,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-27 04:04:57,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-27 04:04:57,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:57,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 04:04:57,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:04:57,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 59 [2020-10-27 04:04:57,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:57,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:04:57,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:57,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:57,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:57,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:04:57,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:57,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 04:04:57,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:57,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:04:57,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:57,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 04:04:57,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:57,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:04:57,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:57,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:57,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:57,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:04:57,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:57,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:04:57,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:57,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:04:57,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:57,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:04:57,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:57,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:04:57,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:57,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:57,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:57,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:04:57,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:57,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:04:57,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:57,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:04:57,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:57,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:04:57,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:57,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:04:57,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:57,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:57,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:57,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:57,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:04:57,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:04:57,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-10-27 04:04:57,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:57,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:04:57,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:57,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 04:04:57,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:57,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:04:57,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:57,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:57,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:57,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:04:57,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:57,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 04:04:57,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:57,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:04:57,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:57,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:04:57,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:57,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:04:57,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:57,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:57,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:04:57,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:04:57,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:04:57,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:04:57,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:04:57,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:04:57,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:04:57,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:04:57,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:04:57,309 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 23 proven. 9 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-10-27 04:04:57,309 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1544705756] [2020-10-27 04:04:57,310 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:04:57,311 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-27 04:04:57,311 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111620867] [2020-10-27 04:04:57,312 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 04:04:57,312 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:04:57,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 04:04:57,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-27 04:04:57,314 INFO L87 Difference]: Start difference. First operand 42 states and 56 transitions. Second operand 10 states. [2020-10-27 04:04:57,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:04:57,879 INFO L93 Difference]: Finished difference Result 71 states and 114 transitions. [2020-10-27 04:04:57,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 04:04:57,880 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 56 [2020-10-27 04:04:57,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:04:57,886 INFO L225 Difference]: With dead ends: 71 [2020-10-27 04:04:57,886 INFO L226 Difference]: Without dead ends: 66 [2020-10-27 04:04:57,887 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2020-10-27 04:04:57,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-10-27 04:04:57,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 60. [2020-10-27 04:04:57,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-10-27 04:04:57,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 93 transitions. [2020-10-27 04:04:57,921 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 93 transitions. Word has length 56 [2020-10-27 04:04:57,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:04:57,921 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 93 transitions. [2020-10-27 04:04:57,921 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 04:04:57,921 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 93 transitions. [2020-10-27 04:04:57,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-10-27 04:04:57,931 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:04:57,931 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 4, 3, 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] [2020-10-27 04:04:57,932 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 04:04:57,932 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:04:57,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:04:57,934 INFO L82 PathProgramCache]: Analyzing trace with hash 1577514399, now seen corresponding path program 1 times [2020-10-27 04:04:57,934 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:04:57,935 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [736268700] [2020-10-27 04:04:57,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:04:57,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:04:57,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:57,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:58,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:58,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:58,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:58,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:58,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:04:58,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:01,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:01,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:01,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:01,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:01,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:01,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:01,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:01,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:01,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:01,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:01,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:02,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:02,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:02,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:02,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:02,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-27 04:05:02,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 22 [2020-10-27 04:05:02,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-27 04:05:02,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:02,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 04:05:02,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:05:02,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 04:05:02,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:03,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:05:03,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:03,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:03,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:03,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:05:03,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:03,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:05:03,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:03,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:03,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:03,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:03,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:03,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:05:03,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:03,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:03,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:03,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:03,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:03,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:03,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:03,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:03,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:03,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:03,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:03,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:03,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:03,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:03,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:03,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:03,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:03,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:03,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:03,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:03,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:03,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:03,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:04,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:08,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:08,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-10-27 04:05:08,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 23 [2020-10-27 04:05:08,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-27 04:05:08,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:08,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 04:05:08,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 04:05:08,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-27 04:05:08,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:08,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:08,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:08,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:08,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:08,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:08,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:08,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:08,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:08,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:08,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:08,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:08,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:08,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:08,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:08,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:08,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-27 04:05:08,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-27 04:05:08,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 618 [2020-10-27 04:05:08,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:08,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 04:05:08,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:08,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-27 04:05:08,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:08,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:08,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:08,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:08,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:08,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:08,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 04:05:08,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:05:08,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-27 04:05:08,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:08,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:05:08,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:08,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 04:05:08,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:08,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:08,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:08,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:08,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:08,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:05:08,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:08,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:05:08,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:08,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:05:08,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:08,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:05:08,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:08,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 04:05:08,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:08,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:08,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:08,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:05:08,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:08,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:05:08,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:08,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:05:08,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:08,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:05:08,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:08,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 04:05:08,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:08,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:08,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:08,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:05:08,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:08,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:05:08,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:08,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:05:08,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:08,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:05:08,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:08,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-27 04:05:08,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:08,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:08,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:08,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:08,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:09,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:09,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:09,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:09,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-27 04:05:09,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 04:05:09,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 559 [2020-10-27 04:05:09,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:09,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 04:05:09,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:05:09,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-27 04:05:09,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:09,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:09,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:09,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:09,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:09,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:09,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 04:05:09,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:05:09,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-27 04:05:09,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:09,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:05:09,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:09,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 04:05:09,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:09,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:09,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:09,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:09,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:09,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:05:09,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:09,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:05:09,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:09,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:05:09,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:09,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:05:09,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:09,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 04:05:09,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:09,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:09,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:09,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:05:09,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:09,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:05:09,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:09,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:05:09,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:09,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:05:09,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:09,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 04:05:09,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:09,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:09,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:09,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:05:09,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:09,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:05:09,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:09,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:05:09,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:09,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:05:09,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:09,642 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 28 proven. 37 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2020-10-27 04:05:09,643 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [736268700] [2020-10-27 04:05:09,643 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:05:09,643 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-27 04:05:09,643 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965356993] [2020-10-27 04:05:09,644 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-27 04:05:09,644 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:05:09,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-27 04:05:09,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2020-10-27 04:05:09,645 INFO L87 Difference]: Start difference. First operand 60 states and 93 transitions. Second operand 15 states. [2020-10-27 04:05:10,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:05:10,542 INFO L93 Difference]: Finished difference Result 134 states and 251 transitions. [2020-10-27 04:05:10,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-27 04:05:10,542 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 80 [2020-10-27 04:05:10,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:05:10,545 INFO L225 Difference]: With dead ends: 134 [2020-10-27 04:05:10,545 INFO L226 Difference]: Without dead ends: 81 [2020-10-27 04:05:10,548 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=106, Invalid=494, Unknown=0, NotChecked=0, Total=600 [2020-10-27 04:05:10,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2020-10-27 04:05:10,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 78. [2020-10-27 04:05:10,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-10-27 04:05:10,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 120 transitions. [2020-10-27 04:05:10,567 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 120 transitions. Word has length 80 [2020-10-27 04:05:10,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:05:10,568 INFO L481 AbstractCegarLoop]: Abstraction has 78 states and 120 transitions. [2020-10-27 04:05:10,568 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-27 04:05:10,568 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 120 transitions. [2020-10-27 04:05:10,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-10-27 04:05:10,571 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:05:10,571 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:05:10,572 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 04:05:10,572 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:05:10,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:05:10,572 INFO L82 PathProgramCache]: Analyzing trace with hash 931040796, now seen corresponding path program 1 times [2020-10-27 04:05:10,572 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:05:10,573 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1620722687] [2020-10-27 04:05:10,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:05:10,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:10,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:10,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:10,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:10,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:10,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:10,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:10,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:10,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:12,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:13,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:13,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:13,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:13,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:13,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:13,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:14,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:14,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:15,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:15,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-27 04:05:15,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-27 04:05:15,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 04:05:15,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:15,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 04:05:15,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:05:15,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-27 04:05:15,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:15,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:05:15,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:15,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:15,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:15,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:05:15,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:15,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:05:15,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:15,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:15,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:15,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:15,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:15,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:05:15,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:15,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:15,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:15,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:15,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:15,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:15,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:15,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:15,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:15,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:15,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:16,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:16,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:16,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:16,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:16,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:16,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:16,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:16,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:16,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:17,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:17,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:20,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:20,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-27 04:05:20,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 21 [2020-10-27 04:05:20,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 04:05:20,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:20,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 04:05:20,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 04:05:20,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-27 04:05:20,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:20,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:20,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:20,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:20,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:20,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:20,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:20,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:20,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:20,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:20,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:21,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:21,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:21,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:21,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 44 [2020-10-27 04:05:21,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 04:05:21,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 910 [2020-10-27 04:05:21,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:21,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 04:05:21,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:21,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 04:05:21,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:21,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:21,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:21,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:21,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:21,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:21,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 04:05:21,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:05:21,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-27 04:05:21,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:21,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:05:21,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:21,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 04:05:21,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:21,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:21,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:21,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:21,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:21,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:05:21,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:21,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:05:21,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:21,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:05:21,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:21,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:05:21,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:21,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 04:05:21,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:21,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:21,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:21,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:05:21,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:21,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:05:21,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:21,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:05:21,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:21,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:05:21,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:21,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 04:05:21,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:21,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:21,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:21,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:05:21,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:21,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:05:21,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:21,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:05:21,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:21,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:05:21,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:21,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 04:05:21,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:21,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:21,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:21,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:21,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:21,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:21,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:22,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:22,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-27 04:05:22,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 04:05:22,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 273 [2020-10-27 04:05:22,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:22,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 04:05:22,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:05:22,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-27 04:05:22,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:22,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:22,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:22,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:22,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:22,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:22,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:22,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-10-27 04:05:22,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:05:22,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-27 04:05:22,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:22,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:05:22,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:22,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 04:05:22,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:22,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:22,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:22,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:22,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:22,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:05:22,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:22,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:05:22,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:22,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:05:22,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:22,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:05:22,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:22,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 04:05:22,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:22,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:22,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:22,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:05:22,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:22,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:05:22,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:22,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:05:22,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:22,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:05:22,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:22,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-27 04:05:22,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:22,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:22,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:22,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:05:22,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:22,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:05:22,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:22,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:05:22,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:22,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:05:22,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:22,299 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 38 proven. 40 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2020-10-27 04:05:22,300 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1620722687] [2020-10-27 04:05:22,300 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:05:22,300 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-27 04:05:22,300 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664167440] [2020-10-27 04:05:22,301 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-27 04:05:22,301 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:05:22,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-27 04:05:22,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2020-10-27 04:05:22,302 INFO L87 Difference]: Start difference. First operand 78 states and 120 transitions. Second operand 18 states. [2020-10-27 04:05:23,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:05:23,675 INFO L93 Difference]: Finished difference Result 150 states and 268 transitions. [2020-10-27 04:05:23,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-27 04:05:23,676 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 81 [2020-10-27 04:05:23,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:05:23,678 INFO L225 Difference]: With dead ends: 150 [2020-10-27 04:05:23,678 INFO L226 Difference]: Without dead ends: 76 [2020-10-27 04:05:23,682 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 172 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=153, Invalid=839, Unknown=0, NotChecked=0, Total=992 [2020-10-27 04:05:23,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2020-10-27 04:05:23,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 73. [2020-10-27 04:05:23,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-10-27 04:05:23,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 103 transitions. [2020-10-27 04:05:23,697 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 103 transitions. Word has length 81 [2020-10-27 04:05:23,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:05:23,698 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 103 transitions. [2020-10-27 04:05:23,698 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-27 04:05:23,698 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 103 transitions. [2020-10-27 04:05:23,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-10-27 04:05:23,700 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:05:23,700 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 04:05:23,700 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 04:05:23,701 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:05:23,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:05:23,701 INFO L82 PathProgramCache]: Analyzing trace with hash 1562902855, now seen corresponding path program 1 times [2020-10-27 04:05:23,701 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:05:23,702 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1366342176] [2020-10-27 04:05:23,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:05:23,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:23,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:23,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:23,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:23,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:23,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:23,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:23,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:23,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:23,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:23,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:24,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:24,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:24,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:24,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:24,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:24,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:24,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:25,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:25,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:28,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:28,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-27 04:05:28,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 19 [2020-10-27 04:05:28,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 04:05:28,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:28,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 04:05:28,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:05:28,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-27 04:05:28,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:28,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:05:28,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:28,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:28,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:28,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:05:28,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:28,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:05:28,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:28,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:28,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:28,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:28,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:28,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:05:28,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:28,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:28,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:28,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:28,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:29,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:29,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:29,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:29,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:29,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:29,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:29,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:29,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:29,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:29,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:29,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:29,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:29,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:29,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:29,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:29,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:30,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:30,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:30,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:30,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:33,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:33,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-27 04:05:33,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 24 [2020-10-27 04:05:33,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-27 04:05:33,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:33,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 04:05:33,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:05:33,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-27 04:05:33,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:33,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:33,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:33,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:33,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:33,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:34,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:34,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 04:05:34,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:05:34,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 319 [2020-10-27 04:05:34,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:34,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 04:05:34,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:34,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 04:05:34,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:34,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:34,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:34,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:34,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:34,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:34,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:05:34,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:05:34,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-27 04:05:34,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:34,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:05:34,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:34,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 04:05:34,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:34,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:34,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:34,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:34,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:34,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:05:34,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:34,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:05:34,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:34,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:05:34,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:34,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:05:34,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:34,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:05:34,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:34,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:34,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:34,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:05:34,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:34,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:05:34,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:34,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:05:34,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:34,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:05:34,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:34,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:05:34,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:34,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:34,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:34,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:05:34,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:34,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:05:34,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:34,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:05:34,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:34,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:05:34,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:34,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 04:05:34,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:34,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:34,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:34,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 04:05:34,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:34,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 04:05:34,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:34,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:05:34,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:34,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 04:05:34,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:34,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:34,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:34,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:34,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:34,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:05:34,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:34,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:05:34,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:34,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:34,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:34,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:34,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:34,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:34,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:34,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:34,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:34,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:05:34,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:34,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:05:34,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:34,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:34,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:34,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:34,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:34,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:05:34,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:34,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:34,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:34,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:05:34,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:34,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:05:34,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:34,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:34,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:34,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:34,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:34,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:05:34,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:34,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:34,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:34,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:05:34,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:34,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:05:34,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:34,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:34,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:34,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:34,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:34,338 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 9 proven. 65 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2020-10-27 04:05:34,338 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1366342176] [2020-10-27 04:05:34,338 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:05:34,338 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-27 04:05:34,339 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703215302] [2020-10-27 04:05:34,339 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 04:05:34,339 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:05:34,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 04:05:34,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-10-27 04:05:34,340 INFO L87 Difference]: Start difference. First operand 73 states and 103 transitions. Second operand 11 states. [2020-10-27 04:05:34,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:05:34,973 INFO L93 Difference]: Finished difference Result 98 states and 153 transitions. [2020-10-27 04:05:34,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 04:05:34,973 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 84 [2020-10-27 04:05:34,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:05:34,975 INFO L225 Difference]: With dead ends: 98 [2020-10-27 04:05:34,975 INFO L226 Difference]: Without dead ends: 93 [2020-10-27 04:05:34,976 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=64, Invalid=242, Unknown=0, NotChecked=0, Total=306 [2020-10-27 04:05:34,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-10-27 04:05:34,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 88. [2020-10-27 04:05:34,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2020-10-27 04:05:34,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 137 transitions. [2020-10-27 04:05:34,998 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 137 transitions. Word has length 84 [2020-10-27 04:05:34,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:05:34,999 INFO L481 AbstractCegarLoop]: Abstraction has 88 states and 137 transitions. [2020-10-27 04:05:34,999 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 04:05:34,999 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 137 transitions. [2020-10-27 04:05:35,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2020-10-27 04:05:35,001 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:05:35,001 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 7, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:05:35,001 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 04:05:35,002 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:05:35,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:05:35,002 INFO L82 PathProgramCache]: Analyzing trace with hash 2107233529, now seen corresponding path program 1 times [2020-10-27 04:05:35,002 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:05:35,002 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1616769367] [2020-10-27 04:05:35,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:05:35,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:35,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:35,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:35,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:35,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:35,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:35,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:35,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:35,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:35,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:35,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:35,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:35,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:35,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:35,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:35,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:35,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:36,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:36,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:36,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:36,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:36,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:37,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:37,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:37,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:37,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:37,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:39,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:39,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:40,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:40,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-10-27 04:05:40,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 28 [2020-10-27 04:05:40,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-27 04:05:40,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:40,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 04:05:40,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:05:40,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 04:05:40,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:40,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:05:40,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:40,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:40,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:40,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:05:40,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:40,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:05:40,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:40,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:05:40,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:40,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:05:40,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:40,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:05:40,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:40,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:40,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:40,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:40,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:40,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:40,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:40,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:40,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:40,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:40,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:42,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:42,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:42,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:43,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:43,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:44,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:44,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:44,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:44,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:44,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:44,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:44,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:44,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:44,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:44,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:44,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:44,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:45,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:45,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-27 04:05:45,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 27 [2020-10-27 04:05:45,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-27 04:05:45,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:45,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-27 04:05:45,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 04:05:45,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-27 04:05:45,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:45,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:45,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:45,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:45,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:45,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:45,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:45,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:45,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:45,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:45,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:45,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:45,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:45,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:45,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:45,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:45,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:50,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:50,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-27 04:05:50,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-27 04:05:50,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 04:05:50,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:50,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 04:05:50,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:50,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 04:05:50,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:50,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:50,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:50,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:50,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:50,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:50,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:50,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:50,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:50,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 04:05:50,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 04:05:50,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 493 [2020-10-27 04:05:50,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:50,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 04:05:50,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:50,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 04:05:50,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:50,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:50,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:50,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:50,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:50,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:50,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:05:50,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:05:50,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-27 04:05:50,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:50,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:05:50,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:50,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 04:05:50,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:50,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:50,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:50,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:50,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:50,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:05:50,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:50,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:05:50,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:50,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:05:50,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:50,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:05:50,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:50,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:05:50,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:50,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:50,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:50,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:05:50,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:50,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:05:50,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:50,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:05:50,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:50,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:05:50,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:50,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:05:50,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:50,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:50,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:50,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:50,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:05:50,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:05:50,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 04:05:50,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:50,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:05:50,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:50,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:05:50,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:50,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 04:05:50,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:50,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:50,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:50,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:50,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:05:50,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:05:50,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 04:05:50,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:50,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:05:50,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:50,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:05:50,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:51,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-27 04:05:51,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:51,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:51,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:51,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:51,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:51,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:51,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:51,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:51,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:51,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:51,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:52,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:52,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-27 04:05:52,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 04:05:52,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1195 [2020-10-27 04:05:52,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:52,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 04:05:52,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:05:52,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-27 04:05:52,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:52,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:52,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:52,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:52,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:52,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:52,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:52,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:52,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:53,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:53,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 04:05:53,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 04:05:53,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 828 [2020-10-27 04:05:53,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:53,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 04:05:53,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:53,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 04:05:53,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:53,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:53,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:53,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:53,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:53,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:53,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:53,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:05:53,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:05:53,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-27 04:05:53,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:53,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 04:05:53,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:53,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 04:05:53,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:53,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:05:53,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:53,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:53,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:53,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:05:53,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:53,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:05:53,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:53,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:05:53,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:53,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:05:53,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:53,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:05:53,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:53,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:53,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:53,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:05:53,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:53,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:05:53,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:53,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:05:53,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:53,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:05:53,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:53,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:05:53,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:53,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:53,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:53,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:05:53,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:53,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:05:53,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:53,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:05:53,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:53,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:05:53,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:53,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 04:05:53,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:53,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:53,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:05:53,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:05:53,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:05:53,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:05:53,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:05:53,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:05:53,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:05:53,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:05:53,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:05:53,341 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 59 proven. 135 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2020-10-27 04:05:53,342 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1616769367] [2020-10-27 04:05:53,342 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:05:53,342 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-10-27 04:05:53,342 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025863130] [2020-10-27 04:05:53,343 INFO L461 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-10-27 04:05:53,343 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:05:53,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-10-27 04:05:53,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2020-10-27 04:05:53,344 INFO L87 Difference]: Start difference. First operand 88 states and 137 transitions. Second operand 25 states. [2020-10-27 04:05:56,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:05:56,164 INFO L93 Difference]: Finished difference Result 220 states and 486 transitions. [2020-10-27 04:05:56,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-27 04:05:56,164 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 112 [2020-10-27 04:05:56,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:05:56,168 INFO L225 Difference]: With dead ends: 220 [2020-10-27 04:05:56,168 INFO L226 Difference]: Without dead ends: 136 [2020-10-27 04:05:56,171 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 34 SyntacticMatches, 3 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 482 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=316, Invalid=2036, Unknown=0, NotChecked=0, Total=2352 [2020-10-27 04:05:56,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2020-10-27 04:05:56,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 119. [2020-10-27 04:05:56,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-10-27 04:05:56,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 192 transitions. [2020-10-27 04:05:56,199 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 192 transitions. Word has length 112 [2020-10-27 04:05:56,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:05:56,200 INFO L481 AbstractCegarLoop]: Abstraction has 119 states and 192 transitions. [2020-10-27 04:05:56,200 INFO L482 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-10-27 04:05:56,200 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 192 transitions. [2020-10-27 04:05:56,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-10-27 04:05:56,203 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:05:56,203 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:05:56,203 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-27 04:05:56,203 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:05:56,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:05:56,204 INFO L82 PathProgramCache]: Analyzing trace with hash 1564313389, now seen corresponding path program 1 times [2020-10-27 04:05:56,204 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:05:56,204 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1164216897] [2020-10-27 04:05:56,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:05:56,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:05:56,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:56,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:56,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:56,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:56,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:56,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:56,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:56,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:56,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:56,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:56,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:57,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:57,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:58,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:58,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:05:59,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:01,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:01,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 152 [2020-10-27 04:06:01,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-27 04:06:01,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-27 04:06:01,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:01,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 04:06:01,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:06:01,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-27 04:06:01,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:01,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:06:01,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:01,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:01,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:01,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:06:01,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:01,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:06:01,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:01,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:06:01,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:01,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:06:01,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:01,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:06:01,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:01,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:01,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:01,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:01,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:01,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:01,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:01,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:01,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:01,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:01,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:01,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:01,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:06,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:06,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-27 04:06:06,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-27 04:06:06,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-27 04:06:06,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:06,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 04:06:06,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 04:06:06,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 95 [2020-10-27 04:06:06,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:06,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:06,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:06,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:06,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:06,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:06,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:06,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:06,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:06,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:06,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:06,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:06,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:06,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:07,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:10,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:10,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-27 04:06:10,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-27 04:06:10,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4458 [2020-10-27 04:06:10,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:10,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 04:06:10,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:10,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-27 04:06:10,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:10,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:10,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:10,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:10,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:10,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:10,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:10,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:11,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:11,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-27 04:06:11,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 04:06:11,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 257 [2020-10-27 04:06:11,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:11,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:06:11,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:11,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 04:06:11,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:11,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:11,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:11,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:11,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:11,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:11,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:11,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 04:06:11,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:06:11,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-27 04:06:11,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:11,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:06:11,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:11,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:06:11,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:11,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:11,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:11,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:11,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:11,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:11,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:11,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:06:11,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:11,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:06:11,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:11,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:06:11,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:11,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:06:11,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:11,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:11,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:11,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:11,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:11,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:06:11,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:11,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:06:11,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:11,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:06:11,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:11,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 04:06:11,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:11,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:11,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:11,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:11,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:11,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:06:11,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:11,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:06:11,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:11,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:06:11,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:11,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 04:06:11,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:11,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:11,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:11,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:11,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:11,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:06:11,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:11,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:06:11,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:11,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:06:11,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:11,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-27 04:06:11,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:11,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:11,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:11,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:11,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:11,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:11,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:11,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:11,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:11,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:11,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:11,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:11,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:12,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:12,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:12,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:12,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:12,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:12,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:13,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:13,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:13,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:13,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:16,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:16,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-27 04:06:16,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 22 [2020-10-27 04:06:16,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 04:06:16,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:16,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 04:06:16,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:06:16,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 04:06:16,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:16,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:16,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:16,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:16,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:16,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:16,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:16,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:16,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:16,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:16,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-27 04:06:16,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 04:06:16,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 240 [2020-10-27 04:06:16,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:16,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 04:06:16,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:16,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-27 04:06:16,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:16,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:16,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:16,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:16,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:16,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:16,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:16,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:16,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 04:06:16,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 04:06:16,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-27 04:06:16,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:16,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:06:16,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:16,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 04:06:16,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:16,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:16,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:16,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:16,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:16,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:16,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:16,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:06:16,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:16,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:06:16,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:16,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:06:16,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:16,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:06:16,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:16,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:16,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:16,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:16,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:16,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:06:16,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:06:16,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:16,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:06:16,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:16,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:06:16,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:16,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 04:06:16,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:16,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:16,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:16,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:16,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:16,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:06:16,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:16,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:06:16,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:16,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:06:16,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:16,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 04:06:16,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:16,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:16,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:16,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:16,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:16,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:06:16,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:16,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:06:16,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:16,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:06:16,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:16,561 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 111 proven. 61 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2020-10-27 04:06:16,562 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1164216897] [2020-10-27 04:06:16,562 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:06:16,562 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-27 04:06:16,562 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740012934] [2020-10-27 04:06:16,563 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-27 04:06:16,563 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:06:16,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-27 04:06:16,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2020-10-27 04:06:16,564 INFO L87 Difference]: Start difference. First operand 119 states and 192 transitions. Second operand 15 states. [2020-10-27 04:06:17,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:06:17,903 INFO L93 Difference]: Finished difference Result 269 states and 500 transitions. [2020-10-27 04:06:17,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-27 04:06:17,904 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 114 [2020-10-27 04:06:17,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:06:17,907 INFO L225 Difference]: With dead ends: 269 [2020-10-27 04:06:17,908 INFO L226 Difference]: Without dead ends: 134 [2020-10-27 04:06:17,911 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 130 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=167, Invalid=825, Unknown=0, NotChecked=0, Total=992 [2020-10-27 04:06:17,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-10-27 04:06:17,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 125. [2020-10-27 04:06:17,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-10-27 04:06:17,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 181 transitions. [2020-10-27 04:06:17,964 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 181 transitions. Word has length 114 [2020-10-27 04:06:17,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:06:17,965 INFO L481 AbstractCegarLoop]: Abstraction has 125 states and 181 transitions. [2020-10-27 04:06:17,965 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-27 04:06:17,965 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 181 transitions. [2020-10-27 04:06:17,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-10-27 04:06:17,970 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:06:17,970 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 10, 10, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:06:17,970 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-27 04:06:17,970 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:06:17,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:06:17,971 INFO L82 PathProgramCache]: Analyzing trace with hash 381159838, now seen corresponding path program 1 times [2020-10-27 04:06:17,971 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:06:17,971 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1915356062] [2020-10-27 04:06:17,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:06:17,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:18,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:18,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:18,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:18,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:18,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:18,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:18,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:18,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:18,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:19,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:19,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:19,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:19,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:23,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:23,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-10-27 04:06:23,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-27 04:06:23,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-27 04:06:23,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:23,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 04:06:23,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:06:23,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-27 04:06:23,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:23,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:06:23,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:23,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:23,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:23,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:06:23,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:23,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:06:23,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:23,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:06:23,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:23,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:06:23,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:23,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:06:23,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:23,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:23,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:23,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:23,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:23,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:23,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:23,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:23,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:23,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:23,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:23,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:23,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:24,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:24,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:24,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:24,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:28,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:28,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-10-27 04:06:28,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 16 [2020-10-27 04:06:28,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-27 04:06:28,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:28,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 04:06:28,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 04:06:28,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 171 [2020-10-27 04:06:28,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:28,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:28,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:28,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:28,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:28,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:28,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:28,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:28,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:28,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:28,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:28,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:28,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:28,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:28,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:30,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:30,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:33,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:33,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-27 04:06:33,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-27 04:06:33,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5005 [2020-10-27 04:06:33,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:33,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-27 04:06:33,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 04:06:33,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-27 04:06:33,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:33,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:33,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:33,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:33,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:33,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:33,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:33,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:33,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:33,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:33,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:33,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-27 04:06:33,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 04:06:33,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 499 [2020-10-27 04:06:33,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:33,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 04:06:33,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:33,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-27 04:06:33,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:33,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:33,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:33,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:33,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:33,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:33,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:33,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 04:06:33,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:06:33,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-27 04:06:33,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:33,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:06:33,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:33,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 04:06:33,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:33,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:33,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:33,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:33,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:33,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:33,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:33,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:06:33,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:33,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:06:33,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:33,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:06:33,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:33,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:06:33,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:33,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:33,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:33,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:33,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:33,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:06:33,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:33,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:06:33,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:33,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:06:33,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:33,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 04:06:33,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:33,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:33,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:33,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:33,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:33,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:06:33,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:33,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:06:33,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:33,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:06:33,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:33,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 04:06:33,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:33,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:33,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:33,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:33,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:33,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:34,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:34,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:34,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:34,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:34,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:34,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:34,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:34,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:37,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:37,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-27 04:06:37,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-27 04:06:37,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3416 [2020-10-27 04:06:37,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:37,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 04:06:37,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:06:37,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-27 04:06:37,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:37,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:37,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:37,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:37,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:37,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:37,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:37,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:37,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:37,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:37,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 04:06:37,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 04:06:37,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 632 [2020-10-27 04:06:37,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:37,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-27 04:06:37,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:37,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 04:06:37,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:37,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:37,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:37,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:37,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:37,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:38,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:38,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:06:38,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:06:38,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-27 04:06:38,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:38,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:06:38,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:38,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 04:06:38,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:38,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:38,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:38,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:38,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:38,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:38,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:38,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:06:38,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:38,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:06:38,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:38,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:06:38,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:38,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:06:38,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:38,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:38,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:38,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:06:38,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:38,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:06:38,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:38,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:06:38,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:38,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:06:38,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:38,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:06:38,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:38,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:38,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:38,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:38,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:38,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:06:38,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:38,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:06:38,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:38,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:06:38,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:38,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 04:06:38,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:38,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:38,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:38,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:38,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:38,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:06:38,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:38,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:06:38,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:38,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:06:38,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:38,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-27 04:06:38,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:38,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:38,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:38,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:38,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:38,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:38,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:38,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:38,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:41,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:41,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 04:06:41,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-27 04:06:41,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3816 [2020-10-27 04:06:41,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:41,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 04:06:41,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:06:41,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-27 04:06:41,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:42,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:42,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:42,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:42,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:42,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:42,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:42,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:42,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:42,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:42,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 04:06:42,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 04:06:42,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 624 [2020-10-27 04:06:42,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:42,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:06:42,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:42,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 04:06:42,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:42,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:42,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:42,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:42,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:42,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:06:42,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:42,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:06:42,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:42,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:06:42,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:42,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 04:06:42,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:42,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:42,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:42,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:42,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:42,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:42,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:42,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:06:42,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:42,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:06:42,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:42,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:06:42,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:42,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:06:42,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:42,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:42,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:42,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:06:42,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:42,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:06:42,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:42,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:06:42,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:42,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:06:42,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:42,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:06:42,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:42,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:42,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:42,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:42,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:42,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:06:42,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 04:06:42,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:42,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:06:42,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:42,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:06:42,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:42,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 04:06:42,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:42,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:42,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:42,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:06:42,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:42,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:06:42,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:42,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:06:42,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:42,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 04:06:42,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:42,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:42,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:42,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:42,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:42,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:06:42,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:42,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:06:42,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:42,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:06:42,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:42,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:06:42,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:42,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:06:42,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:42,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:42,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:42,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:06:42,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:42,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:06:42,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:42,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:06:42,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:42,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:06:42,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:42,801 INFO L134 CoverageAnalysis]: Checked inductivity of 674 backedges. 157 proven. 260 refuted. 0 times theorem prover too weak. 257 trivial. 0 not checked. [2020-10-27 04:06:42,801 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1915356062] [2020-10-27 04:06:42,801 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:06:42,801 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-10-27 04:06:42,801 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236155350] [2020-10-27 04:06:42,802 INFO L461 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-10-27 04:06:42,802 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:06:42,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-10-27 04:06:42,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=486, Unknown=0, NotChecked=0, Total=552 [2020-10-27 04:06:42,803 INFO L87 Difference]: Start difference. First operand 125 states and 181 transitions. Second operand 24 states. [2020-10-27 04:06:45,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:06:45,198 INFO L93 Difference]: Finished difference Result 241 states and 396 transitions. [2020-10-27 04:06:45,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-27 04:06:45,198 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 167 [2020-10-27 04:06:45,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:06:45,201 INFO L225 Difference]: With dead ends: 241 [2020-10-27 04:06:45,201 INFO L226 Difference]: Without dead ends: 130 [2020-10-27 04:06:45,204 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 489 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=342, Invalid=2108, Unknown=0, NotChecked=0, Total=2450 [2020-10-27 04:06:45,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2020-10-27 04:06:45,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 125. [2020-10-27 04:06:45,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-10-27 04:06:45,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 167 transitions. [2020-10-27 04:06:45,221 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 167 transitions. Word has length 167 [2020-10-27 04:06:45,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:06:45,221 INFO L481 AbstractCegarLoop]: Abstraction has 125 states and 167 transitions. [2020-10-27 04:06:45,221 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-10-27 04:06:45,221 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 167 transitions. [2020-10-27 04:06:45,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-10-27 04:06:45,224 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:06:45,225 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 13, 11, 11, 10, 8, 8, 8, 8, 8, 8, 8, 8, 5, 5, 5, 5, 5, 5, 5, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:06:45,225 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-27 04:06:45,225 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:06:45,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:06:45,225 INFO L82 PathProgramCache]: Analyzing trace with hash 2011180011, now seen corresponding path program 2 times [2020-10-27 04:06:45,226 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:06:45,226 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1619424559] [2020-10-27 04:06:45,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:06:45,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:45,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:45,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:45,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:45,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:45,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:45,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:45,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:45,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:45,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:45,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:45,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:45,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:45,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:46,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:46,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:49,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:49,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:49,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:49,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:49,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:49,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:50,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:50,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 256 [2020-10-27 04:06:50,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 21 [2020-10-27 04:06:50,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-27 04:06:50,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:50,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 04:06:50,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:06:50,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-27 04:06:50,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:50,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:06:50,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:50,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:50,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:50,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:06:50,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:06:50,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:06:50,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:50,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:06:50,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:06:50,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:06:50,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:50,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:06:50,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:50,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:50,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:50,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:50,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:50,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:50,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:50,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:50,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:50,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:51,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:51,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:51,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:51,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:51,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:51,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:51,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:51,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:51,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:53,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:53,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:55,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:06:55,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 240 [2020-10-27 04:06:55,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 20 [2020-10-27 04:06:55,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-27 04:06:55,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:06:55,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-27 04:06:55,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 04:06:55,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-27 04:06:55,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:06:55,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:06:55,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:06:55,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:55,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:55,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:55,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:55,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:55,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:55,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:55,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:55,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:55,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:55,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:55,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:55,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:55,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:55,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:55,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:56,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:56,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:56,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:56,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:56,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:56,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:56,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:56,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:56,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:06:56,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:00,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:00,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 152 [2020-10-27 04:07:00,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 26 [2020-10-27 04:07:00,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-27 04:07:00,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:00,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-27 04:07:00,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 04:07:00,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 82 [2020-10-27 04:07:00,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:00,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:07:00,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:00,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:00,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:00,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:00,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:00,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:00,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:00,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:00,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:00,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:00,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:00,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:00,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:00,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:01,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:01,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:04,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:04,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-27 04:07:04,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-27 04:07:04,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4002 [2020-10-27 04:07:04,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:04,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 04:07:04,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:04,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 04:07:04,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:04,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:07:04,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:04,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:04,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:04,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:04,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:04,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:04,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:05,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:05,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 04:07:05,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 04:07:05,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1412 [2020-10-27 04:07:05,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:05,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:07:05,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:05,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 04:07:05,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:05,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:07:05,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:05,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:05,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:05,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:07:05,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:05,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 04:07:05,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:05,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:07:05,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:05,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 04:07:05,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:05,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:07:05,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:05,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:05,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:05,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:07:05,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:05,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:07:05,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:05,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:07:05,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:05,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:07:05,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:05,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:07:05,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:05,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:05,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:05,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:07:05,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:05,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:07:05,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:05,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:07:05,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:05,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:07:05,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:05,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:07:05,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:05,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:05,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:05,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:07:05,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:05,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 04:07:05,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:05,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:07:05,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:05,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:07:05,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:05,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 04:07:05,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:05,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:05,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:05,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:07:05,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:05,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:07:05,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:05,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:07:05,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:05,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:07:05,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:05,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-27 04:07:05,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:05,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:06,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:06,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:06,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:06,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:06,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:06,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:06,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:06,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:06,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:06,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:06,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:06,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:06,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:07,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:07,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:07,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:10,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:10,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-27 04:07:10,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 17 [2020-10-27 04:07:10,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 04:07:10,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:10,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 04:07:10,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 04:07:10,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-27 04:07:10,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:11,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:07:11,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:11,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:11,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:11,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:11,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:11,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:11,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:11,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:11,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:11,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:11,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:11,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:11,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:11,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:11,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:11,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:16,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:16,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-27 04:07:16,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-27 04:07:16,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 04:07:16,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:16,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 04:07:16,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 04:07:16,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-27 04:07:16,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:16,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:07:16,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:16,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:16,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:16,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:16,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:16,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:16,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:07:16,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 04:07:16,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-10-27 04:07:16,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:16,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 04:07:16,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:16,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 04:07:16,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:16,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:07:16,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:16,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:16,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:16,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:07:16,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:16,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:07:16,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:16,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:07:16,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:16,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:07:16,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:16,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:07:16,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:16,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:16,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:16,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:07:16,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:16,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:07:16,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:16,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:07:16,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:16,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:07:16,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:16,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:07:16,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:16,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:16,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:16,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:16,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:16,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:16,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:16,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:16,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:16,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 04:07:16,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 04:07:16,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-27 04:07:16,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:16,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 04:07:16,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:07:16,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 04:07:16,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:16,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:07:16,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:16,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:16,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:16,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:07:16,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:16,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:07:16,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:16,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:07:16,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:16,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:07:16,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:16,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:07:16,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:16,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:16,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:16,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:16,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:07:16,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:07:16,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:07:16,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:16,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:07:16,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:16,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:07:16,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:16,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-27 04:07:16,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:16,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:16,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:16,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:07:16,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:16,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:07:16,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:16,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:07:16,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 04:07:16,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:07:16,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:16,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-27 04:07:16,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:16,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:16,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:16,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 04:07:16,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:16,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 04:07:16,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:16,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:07:16,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-10-27 04:07:16,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:07:16,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:16,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:07:16,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:16,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:16,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:16,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 04:07:16,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:16,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:07:16,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:16,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:07:16,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:16,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:07:16,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:16,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:07:16,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:16,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:16,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:16,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:07:16,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:16,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:07:16,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:16,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:07:16,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:16,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:07:16,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:16,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:07:16,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:16,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:16,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:16,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:07:16,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:16,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:07:16,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:16,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:07:16,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:16,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:07:16,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:16,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:07:16,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:16,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:16,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:16,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:07:16,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:16,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:07:16,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:16,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:07:16,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:16,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:07:16,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:16,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:07:16,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:16,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:16,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:16,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:07:16,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:16,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:07:16,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:16,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:07:16,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:16,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:07:16,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:16,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 04:07:16,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:16,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:16,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:16,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:07:16,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:16,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:07:16,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:16,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:07:16,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:16,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:07:16,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:16,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:07:16,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:16,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:16,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:16,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:07:16,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:16,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:07:16,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:16,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:07:16,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:16,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:07:16,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:16,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:07:16,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:16,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:16,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:16,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:07:16,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:16,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:07:16,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:16,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:07:16,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:16,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:07:16,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:16,697 INFO L134 CoverageAnalysis]: Checked inductivity of 975 backedges. 181 proven. 308 refuted. 0 times theorem prover too weak. 486 trivial. 0 not checked. [2020-10-27 04:07:16,698 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1619424559] [2020-10-27 04:07:16,698 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:07:16,698 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-10-27 04:07:16,698 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345052974] [2020-10-27 04:07:16,699 INFO L461 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-10-27 04:07:16,699 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:07:16,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-10-27 04:07:16,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=487, Unknown=0, NotChecked=0, Total=552 [2020-10-27 04:07:16,700 INFO L87 Difference]: Start difference. First operand 125 states and 167 transitions. Second operand 24 states. [2020-10-27 04:07:18,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:07:18,486 INFO L93 Difference]: Finished difference Result 238 states and 334 transitions. [2020-10-27 04:07:18,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-27 04:07:18,487 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 194 [2020-10-27 04:07:18,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:07:18,489 INFO L225 Difference]: With dead ends: 238 [2020-10-27 04:07:18,490 INFO L226 Difference]: Without dead ends: 124 [2020-10-27 04:07:18,491 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 57 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 309 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=226, Invalid=1414, Unknown=0, NotChecked=0, Total=1640 [2020-10-27 04:07:18,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2020-10-27 04:07:18,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 120. [2020-10-27 04:07:18,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-10-27 04:07:18,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 154 transitions. [2020-10-27 04:07:18,506 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 154 transitions. Word has length 194 [2020-10-27 04:07:18,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:07:18,507 INFO L481 AbstractCegarLoop]: Abstraction has 120 states and 154 transitions. [2020-10-27 04:07:18,507 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-10-27 04:07:18,507 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 154 transitions. [2020-10-27 04:07:18,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-10-27 04:07:18,510 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:07:18,510 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 12, 11, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:07:18,510 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-27 04:07:18,510 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:07:18,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:07:18,511 INFO L82 PathProgramCache]: Analyzing trace with hash 993046157, now seen corresponding path program 3 times [2020-10-27 04:07:18,511 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:07:18,511 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [697615616] [2020-10-27 04:07:18,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:07:18,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:18,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:18,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:18,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:18,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:18,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:18,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:18,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:23,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:23,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 256 [2020-10-27 04:07:23,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 04:07:23,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-27 04:07:23,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:23,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 04:07:23,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:07:23,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 171 [2020-10-27 04:07:23,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:23,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:07:23,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:23,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:23,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:23,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:07:23,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:23,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:07:23,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:23,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:07:23,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:23,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:07:23,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:23,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:07:23,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:23,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:23,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:23,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:23,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:23,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:23,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:23,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:24,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:24,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:24,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:24,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:24,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:24,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:28,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:28,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 240 [2020-10-27 04:07:28,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 13 [2020-10-27 04:07:28,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5017 [2020-10-27 04:07:28,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:28,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-27 04:07:28,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 04:07:28,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 164 [2020-10-27 04:07:28,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:28,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:07:28,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:28,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:28,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:28,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:28,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:28,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:28,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:29,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:29,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:29,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:29,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:33,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:33,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-27 04:07:33,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 04:07:33,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 04:07:33,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:33,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 04:07:33,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 04:07:33,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-10-27 04:07:33,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:33,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:07:33,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:33,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:33,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:33,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:33,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:33,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:34,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:34,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:34,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-27 04:07:34,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 04:07:34,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 986 [2020-10-27 04:07:34,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:34,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 04:07:34,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:34,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 04:07:34,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:34,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:07:34,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:34,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:34,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:34,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 04:07:34,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:34,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 04:07:34,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:34,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:07:34,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:34,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 04:07:34,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:34,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:07:34,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:34,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:34,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:34,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:07:34,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:34,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:07:34,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:34,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:07:34,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:34,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:07:34,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:34,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:07:34,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:34,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:34,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:34,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:07:34,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:34,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:07:34,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:34,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:07:34,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:34,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:07:34,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:34,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:07:34,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:34,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:34,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:34,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:07:34,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:34,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:07:34,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:34,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:07:34,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:34,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:07:34,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:34,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:07:34,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:34,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:34,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:34,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:07:34,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:34,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:07:34,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:34,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:07:34,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:34,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:07:34,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:34,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 04:07:34,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:34,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:34,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:34,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:07:34,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:34,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 04:07:34,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:34,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:07:34,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:34,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:07:34,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:34,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-27 04:07:34,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:34,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:34,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:34,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:34,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:34,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:34,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:35,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:35,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 04:07:35,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 04:07:35,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 577 [2020-10-27 04:07:35,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:35,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:07:35,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:07:35,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 04:07:35,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:35,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:07:35,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:35,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:35,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:35,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:35,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:35,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:07:35,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:07:35,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-27 04:07:35,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:35,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 04:07:35,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:35,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 04:07:35,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:35,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:07:35,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:35,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:35,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:35,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:07:35,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:35,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:07:35,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:35,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:07:35,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:35,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:07:35,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:35,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:07:35,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:35,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:35,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:35,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:07:35,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:35,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:07:35,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:35,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:07:35,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:35,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:07:35,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:35,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:07:35,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:35,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:35,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:35,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:07:35,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:35,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:07:35,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:35,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:07:35,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:35,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:07:35,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:35,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-27 04:07:35,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:35,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:35,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:35,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:35,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:35,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:35,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:35,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:35,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:39,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:39,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:40,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:40,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-27 04:07:40,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 04:07:40,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 04:07:40,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:40,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 04:07:40,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 04:07:40,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-10-27 04:07:40,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:40,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:07:40,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:40,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:40,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:40,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:40,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:40,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:40,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:41,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:41,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-27 04:07:41,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 04:07:41,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 743 [2020-10-27 04:07:41,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:41,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 04:07:41,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:41,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 04:07:41,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:41,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:07:41,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:41,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:41,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:41,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:41,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:41,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:41,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:41,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:41,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 04:07:41,432 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 04:07:41,432 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 122 [2020-10-27 04:07:41,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:41,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 04:07:41,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:41,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 04:07:41,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:41,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:07:41,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:41,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:41,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:41,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:41,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:41,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:07:41,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:07:41,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-27 04:07:41,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:41,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:07:41,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:41,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 04:07:41,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:41,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:07:41,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:41,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:41,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:41,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:41,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:07:41,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:07:41,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 04:07:41,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:41,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:07:41,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:41,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:07:41,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:41,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:07:41,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:41,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:41,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:41,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:07:41,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:41,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:07:41,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:41,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:07:41,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:41,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:07:41,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:41,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:07:41,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:41,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:41,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:41,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:07:41,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:41,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:07:41,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:41,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:07:41,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:41,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:07:41,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:41,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 04:07:41,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:41,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:41,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:41,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:07:41,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:41,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:07:41,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:41,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:07:41,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:41,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:07:41,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:41,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-27 04:07:41,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:41,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:41,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:41,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:41,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:41,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:41,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:42,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:42,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 04:07:42,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 04:07:42,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 613 [2020-10-27 04:07:42,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:42,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 04:07:42,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:07:42,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 04:07:42,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:42,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:07:42,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:42,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:42,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:42,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:42,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:42,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:07:42,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:07:42,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-27 04:07:42,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:42,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 04:07:42,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:42,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 04:07:42,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:42,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:07:42,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:42,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:42,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:42,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:07:42,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:42,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:07:42,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:42,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:07:42,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:42,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:07:42,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:42,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:07:42,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:42,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:42,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:42,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:07:42,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:42,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:07:42,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:42,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:07:42,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:42,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:07:42,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:42,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:07:42,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:42,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:42,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:42,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:07:42,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:42,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:07:42,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:42,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:07:42,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:42,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:07:42,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:42,509 INFO L134 CoverageAnalysis]: Checked inductivity of 941 backedges. 346 proven. 233 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2020-10-27 04:07:42,510 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [697615616] [2020-10-27 04:07:42,510 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:07:42,510 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-27 04:07:42,510 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113104090] [2020-10-27 04:07:42,510 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-27 04:07:42,510 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:07:42,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-27 04:07:42,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=446, Unknown=0, NotChecked=0, Total=506 [2020-10-27 04:07:42,511 INFO L87 Difference]: Start difference. First operand 120 states and 154 transitions. Second operand 23 states. [2020-10-27 04:07:44,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:07:44,551 INFO L93 Difference]: Finished difference Result 255 states and 369 transitions. [2020-10-27 04:07:44,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-27 04:07:44,552 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 194 [2020-10-27 04:07:44,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:07:44,555 INFO L225 Difference]: With dead ends: 255 [2020-10-27 04:07:44,555 INFO L226 Difference]: Without dead ends: 145 [2020-10-27 04:07:44,557 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 55 SyntacticMatches, 2 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 264 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=262, Invalid=1460, Unknown=0, NotChecked=0, Total=1722 [2020-10-27 04:07:44,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2020-10-27 04:07:44,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 132. [2020-10-27 04:07:44,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2020-10-27 04:07:44,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 173 transitions. [2020-10-27 04:07:44,575 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 173 transitions. Word has length 194 [2020-10-27 04:07:44,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:07:44,575 INFO L481 AbstractCegarLoop]: Abstraction has 132 states and 173 transitions. [2020-10-27 04:07:44,576 INFO L482 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-27 04:07:44,576 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 173 transitions. [2020-10-27 04:07:44,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2020-10-27 04:07:44,580 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:07:44,580 INFO L422 BasicCegarLoop]: trace histogram [18, 18, 14, 13, 13, 12, 9, 9, 9, 9, 9, 9, 9, 8, 6, 6, 6, 6, 6, 6, 6, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 04:07:44,580 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-27 04:07:44,580 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:07:44,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:07:44,581 INFO L82 PathProgramCache]: Analyzing trace with hash -1214524414, now seen corresponding path program 4 times [2020-10-27 04:07:44,581 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:07:44,581 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [258090396] [2020-10-27 04:07:44,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:07:44,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:44,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:44,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:44,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:44,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:44,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:44,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:44,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:44,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:45,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:45,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:45,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:45,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:45,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:45,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:46,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:46,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:46,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:46,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:46,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:46,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:46,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:47,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:47,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:47,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:47,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:49,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:49,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 291 [2020-10-27 04:07:49,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 25 [2020-10-27 04:07:49,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5023 [2020-10-27 04:07:49,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:49,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 04:07:49,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 04:07:49,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 184 [2020-10-27 04:07:49,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:49,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 04:07:49,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:49,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:49,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:49,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 04:07:49,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:07:49,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:07:49,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:49,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:07:49,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:07:49,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:07:49,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:49,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 04:07:49,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:49,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:49,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:49,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:49,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:49,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:49,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:50,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:50,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:50,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:50,387 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:50,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:50,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:52,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:52,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:52,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:52,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:52,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:52,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:52,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:52,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:52,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:52,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:54,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:54,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:54,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:54,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:54,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:54,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 275 [2020-10-27 04:07:54,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 26 [2020-10-27 04:07:54,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5037 [2020-10-27 04:07:54,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:54,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-27 04:07:54,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 04:07:54,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 117 [2020-10-27 04:07:54,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:54,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:07:54,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:54,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:54,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:54,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:54,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:54,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:54,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:55,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:55,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:55,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:55,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:55,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:55,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:55,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:55,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:55,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:55,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:55,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:58,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:58,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:58,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:58,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:58,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:59,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:59,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:59,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:07:59,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-27 04:07:59,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 24 [2020-10-27 04:07:59,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 04:07:59,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:07:59,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-27 04:07:59,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-27 04:07:59,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-27 04:07:59,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:07:59,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:07:59,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:07:59,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:59,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:59,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:59,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:07:59,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:00,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:00,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:00,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:00,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:00,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:00,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:00,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:00,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:02,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:04,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:08:04,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-27 04:08:04,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 14 [2020-10-27 04:08:04,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-27 04:08:04,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:08:04,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 04:08:04,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:08:04,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 04:08:04,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:08:04,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:08:04,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:08:04,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:04,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:04,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:04,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:04,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:04,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:05,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:08:05,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 04:08:05,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 04:08:05,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 682 [2020-10-27 04:08:05,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:08:05,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:08:05,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:08:05,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 04:08:05,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:08:05,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:08:05,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:08:05,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:05,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:08:05,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:08:05,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:08:05,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:08:05,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:08:05,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:08:05,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:08:05,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 04:08:05,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:08:05,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:08:05,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:08:05,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:05,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:08:05,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:08:05,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:08:05,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:08:05,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:08:05,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:08:05,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:08:05,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:08:05,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:08:05,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:08:05,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:08:05,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:05,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:08:05,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:08:05,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:08:05,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:08:05,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:08:05,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:08:05,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:08:05,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:08:05,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:08:05,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:08:05,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:08:05,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:05,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:05,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:08:05,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:08:05,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:08:05,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 04:08:05,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:08:05,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:08:05,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:08:05,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:08:05,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:08:05,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 04:08:05,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:08:05,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:05,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:08:05,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:08:05,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:08:05,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:08:05,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:08:05,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:08:05,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:08:05,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:08:05,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:08:05,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-27 04:08:05,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:08:05,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:05,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:05,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:08:05,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:08:05,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 04:08:05,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-27 04:08:05,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:08:05,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 04:08:05,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:08:05,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 04:08:05,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:08:05,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:08:05,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:08:05,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:05,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:08:05,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:08:05,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:08:05,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:08:05,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:08:05,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:08:05,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:08:05,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:08:05,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:08:05,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:08:05,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:08:05,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:05,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:08:05,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:08:05,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:08:05,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:08:05,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:08:05,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:08:05,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:08:05,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:08:05,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:08:05,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-27 04:08:05,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:08:05,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:05,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:05,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:05,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:05,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:05,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:05,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:05,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:05,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:05,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:06,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:06,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:10,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:08:10,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-27 04:08:10,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 12 [2020-10-27 04:08:10,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-27 04:08:10,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:08:10,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 04:08:10,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:08:10,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 166 [2020-10-27 04:08:10,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:08:10,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:08:10,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:08:10,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:10,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:10,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:10,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:10,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:10,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:11,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:11,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:12,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:12,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:15,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:08:15,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-27 04:08:15,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 10 [2020-10-27 04:08:15,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 04:08:15,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:08:15,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 04:08:15,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 04:08:15,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 98 [2020-10-27 04:08:15,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:08:15,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:08:15,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:08:15,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:15,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:15,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:15,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:15,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:16,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:16,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:08:16,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-27 04:08:16,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 04:08:16,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 703 [2020-10-27 04:08:16,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:08:16,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 04:08:16,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:08:16,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-27 04:08:16,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:08:16,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:08:16,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:08:16,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:16,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:16,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:16,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:08:16,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 04:08:16,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:08:16,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-27 04:08:16,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:08:16,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:08:16,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:08:16,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 04:08:16,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:08:16,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:08:16,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:08:16,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:16,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:08:16,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:08:16,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:08:16,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 04:08:16,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:08:16,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:08:16,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:08:16,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:08:16,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:08:16,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:08:16,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:08:16,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:16,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:08:16,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:08:16,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:08:16,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:08:16,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:08:16,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:08:16,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:08:16,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:08:16,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:08:16,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-27 04:08:16,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:08:16,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:16,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:08:16,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:08:16,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:08:16,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:08:16,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:08:16,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:08:16,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:08:16,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 04:08:16,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:08:16,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:08:16,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:08:16,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:16,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:08:16,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:08:16,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:08:16,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:08:16,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:08:16,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:08:16,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:08:16,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:08:16,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:08:16,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:08:16,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:08:16,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:16,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:08:16,700 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:08:16,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:08:16,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:08:16,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:08:16,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:08:16,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:08:16,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:08:16,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:08:16,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-27 04:08:16,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:08:16,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:16,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:16,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:16,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:16,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:16,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:17,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:08:17,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 04:08:17,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 04:08:17,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 599 [2020-10-27 04:08:17,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:08:17,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 04:08:17,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 04:08:17,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 04:08:17,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:08:17,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:08:17,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:08:17,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:17,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:17,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:17,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:08:17,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:08:17,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 04:08:17,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-27 04:08:17,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:08:17,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 04:08:17,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:08:17,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-27 04:08:17,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:08:17,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:08:17,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:08:17,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:17,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:08:17,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:08:17,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:08:17,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 04:08:17,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:08:17,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 04:08:17,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:08:17,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 04:08:17,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:08:17,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:08:17,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:08:17,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:17,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:08:17,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:08:17,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:08:17,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:08:17,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:08:17,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:08:17,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:08:17,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 04:08:17,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:08:17,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:08:17,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:08:17,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:17,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:08:17,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:08:17,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:08:17,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 04:08:17,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:08:17,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:08:17,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:08:17,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 04:08:17,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:08:17,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-27 04:08:17,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:08:17,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:17,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:08:17,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-27 04:08:17,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:08:17,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 04:08:17,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:08:17,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 04:08:17,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:08:17,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-27 04:08:17,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:08:17,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:08:17,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:08:17,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:17,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:08:17,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-27 04:08:17,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:08:17,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 04:08:17,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:08:17,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:08:17,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:08:17,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:08:17,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:08:17,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-27 04:08:17,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:08:17,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:17,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:08:17,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:08:17,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:08:17,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:08:17,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:08:17,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:08:17,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:08:17,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:08:17,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:08:17,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 04:08:17,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:08:17,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:17,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:08:17,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 04:08:17,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:08:17,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:08:17,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:08:17,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:08:17,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:08:17,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:08:17,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:08:17,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 04:08:17,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:08:17,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:17,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 04:08:17,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 04:08:17,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 04:08:17,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 04:08:17,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 04:08:17,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 04:08:17,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 04:08:17,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 04:08:17,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 04:08:17,559 INFO L134 CoverageAnalysis]: Checked inductivity of 1285 backedges. 302 proven. 477 refuted. 0 times theorem prover too weak. 506 trivial. 0 not checked. [2020-10-27 04:08:17,559 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [258090396] [2020-10-27 04:08:17,559 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 04:08:17,559 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2020-10-27 04:08:17,560 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632614886] [2020-10-27 04:08:17,560 INFO L461 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-10-27 04:08:17,560 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 04:08:17,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-10-27 04:08:17,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=632, Unknown=0, NotChecked=0, Total=702 [2020-10-27 04:08:17,561 INFO L87 Difference]: Start difference. First operand 132 states and 173 transitions. Second operand 27 states. [2020-10-27 04:08:20,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 04:08:20,434 INFO L93 Difference]: Finished difference Result 240 states and 337 transitions. [2020-10-27 04:08:20,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-10-27 04:08:20,435 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 221 [2020-10-27 04:08:20,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 04:08:20,438 INFO L225 Difference]: With dead ends: 240 [2020-10-27 04:08:20,438 INFO L226 Difference]: Without dead ends: 118 [2020-10-27 04:08:20,441 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 755 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=425, Invalid=2881, Unknown=0, NotChecked=0, Total=3306 [2020-10-27 04:08:20,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2020-10-27 04:08:20,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 112. [2020-10-27 04:08:20,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2020-10-27 04:08:20,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 136 transitions. [2020-10-27 04:08:20,454 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 136 transitions. Word has length 221 [2020-10-27 04:08:20,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 04:08:20,454 INFO L481 AbstractCegarLoop]: Abstraction has 112 states and 136 transitions. [2020-10-27 04:08:20,454 INFO L482 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-10-27 04:08:20,454 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 136 transitions. [2020-10-27 04:08:20,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2020-10-27 04:08:20,457 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 04:08:20,458 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 04:08:20,458 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-27 04:08:20,458 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 04:08:20,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 04:08:20,458 INFO L82 PathProgramCache]: Analyzing trace with hash 2086345789, now seen corresponding path program 5 times [2020-10-27 04:08:20,459 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 04:08:20,459 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [264079233] [2020-10-27 04:08:20,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 04:08:20,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 04:08:20,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:20,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:20,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:20,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:20,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:20,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:20,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:20,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:21,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:22,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:22,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:22,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:22,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:22,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:22,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:22,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:22,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:22,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:22,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:22,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:22,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:23,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:23,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:23,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:23,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 04:08:23,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking...